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Geography & Life Sciences: Chapter 2175

Chapter 2175 provides bibliographic information on scholary research in geography and in the life sciences.

Observations on biomass dynamics of a crested wheatgrass and native shortgrass ecosystem in southern Wyoming. Journal of range management 42(2): 113-118

Observations on bionomics of Dioryctria schutazeella. Forest Pest and Disease ( 2): 10-11

Observations on birds in Rawa Jombor, central Java. Jurnal Penelitian dan Pengembangan Kehutanan 5(1): 43-46

Observations on bovine cysticercosis at the Dodoma and Mpwapwa abattoirs, Tanzania. Tanzania Veterinary Bulletin 8(1-4): 6-9

Observations on bovine spongiform encephalopathy. BNF Nutrition Bulletin 15(60): 159-168

Observations on brood X of periodical cicadas: 1987-1990 (Homoptera: Cicadidae). Proceedings of the Entomological Society of Washington, 932: 471-479

Observations on butterflies in Hungary (Lep.). Entomologische Nachrichten und Berichte 33(4): 177-178

Observations on changes in resistance to levamisole in Haemonchus contortus after passage in sheep and calves. Bulletin of Animal Health and Production in Africa 39(3): 281-287

Observations on changing renal function in the newborn pony foal. Equine Reproduction V: Proceedings of the Fifth International Symposium on Equine Reproduction: 736-737

Observations on cocoa flushing in Ghana under different shade regimes, with particular reference to the distribution of natural light. Planter 66: 565-579

Observations on colonial phenotypic variation in Bordetella avium. Avian Diseases 35(3): 496-504

Observations on controlling clumps of Eupatorium buniifolium by means of grazing and burning. Notas Tecnicas Facultad de Agronomia, Universidad de la Re ica Montevideo ( 6): 8 pp.

Observations on crossbreeding programmes. Wool and Woollens of India 28(3): 29-30

Observations on Crystalloid Bodies in the Pseudocoelom of Eutobrilus heptapapillatus. Journal of Nematology 23(1): 39-47

Observations on cut wood maintained in the forest ecosystem. Revista de Centro de Ciencias Rurais, Universidade Federal de Santa Maria 18(3-4): 239-247

Observations on disease-associated preferred body temperatures in reptiles. Applied Animal Behaviour Science 28(4): 375-380

Observations on effect of sex and type of kidding on gestation length and birth weight in goats. Indian Veterinary Journal 67(9): 887-888

Observations on endoparasite infections of ibex (Capra i. ibex) in the Bernese Oberland (Switzerland). Wiener Tierarztliche Monatsschrift 78(11): 383-386

Observations on erythrocytic inclusion body syndrome in Ireland. Bulletin of the European Association of Fish Pathologists 11(3): 108-111

Observations on family selection in the Mount Edgecombe sugarcane breeding programme. South African Sugar Technologists' Association Proceedings of the sixty third annual congress held at Durban and Mount Edgecombe, 5-8 June 1989: 132-135

Observations on fast-ELISA by naked eye using TMBS substrate in the diagnosis of paragonimiasis. Chinese Journal of Parasitic Disease Control 3(4): 274-276

Observations on fertility changes in the Hubei photoperiod-sensitive genic male sterile rice Nongken 58S (Oryza sativa L. subsp. japonica). Journal of South China Agricultural University 11(4): 1-6

Observations on first-generation schizogony of Leucocytozoon caulleryi in chickens. Journal of Protozoology, 392: 281-287

Observations on five cases of canine hypothyroidism. Australian Veterinary Practitioner 21(3): 114-120

Observations on five known species of spiral nematodes from Pakistan. Pakistan Journal of Nematology, 101: 15-22

Observations on flea bite allergic dermatitis. Journal of the American Veterinary Medical Association 195(9): 1192-1193

Observations on flower bud growth in some low yield varieties of apricot. Acta Horticulturae ( 293): 319-326

Observations on flowering habit and seed yield of petaloid type male-sterile carrots. Zoldsegtermesztesi Kutato Intezet Bulletinje 22: 51-57

Observations on flowering, fruiting and germination behaviours of some useful forest plants of Arunachal Pradesh. Indian Forester 115(4): 216-227

Observations on gastrointestinal parasitism in dairy cattle and buffaloes in Bangalore and Kolar Districts of Karnataka State. Mysore Journal of Agricultural Sciences 23(1): 78-81

Observations on grasses of the genus Themeda in New Caledonia. Revue d' Elevage et de Medecine Veterinaire de Nouvelle Caledonie ( 13): 15-18

Observations on hygienic quality of horse feed in veterinary nutrition advice. Pferdeheilkunde (Sonderausgabe): 209-212

Observations on in vitro feeding of Triatoma mazzottii Usinger (Hemiptera: Reduviidae). Folia Entomologica Mexicana ( 78): 273-274

Observations on infections of Pratylenchus scribneri in maize roots. Nematologia Mediterranea 20(1): 141-142

Observations on infections of pelargonium zonate spot virus in tomato. Difesa delle Piante 12(1-2): 49-55

Observations on initial spacing in a keora (Sonneratia apetala Buch.-Ham.) plantation along the coastal belt of Bangladesh. Malaysian Forester 1990?; 50( 1-2): 204-216

Observations on insect attack, leaf-fall and leafing period in teak. Canopy International 14(1): 11

Observations on installment egg hatching in the brown saltmarsh mosquito, Aedes cantator. Journal of the American Mosquito Control Association 6(4): 727-729

Observations on invertebrates collected up during wild flower seed harvesting in a hay meadow, with particular reference to the butterflies and moths. British Journal of Entomology and Natural History 3(4): 143-152

Observations on little-known Phaseolus germplasm of Ecuador. Plant Genetic Resources Newsletter 1990; ( 80): 15-21

Observations on lyophilized Baculovirus anticarsia in soyabean fields. Biologico 54(7-12): 29-34

Observations on micro-climate and the incidence and severity of bacterial canker on cherry trees. Deciduous Fruit Grower 40(12): 471-473

Observations on migration of nematodes on sugarcane. Philsutech Proceedings ( 37): 87-94

Observations on natural Trichomonas infection in racing pigeons. VII Tagung uber Vogelkrankheiten, Munchen, 1 und 2 Marz 1990: 171-181

Observations on nonsurgical recovery and transfer of embryos in crossbred cows. Indian Journal of Animal Reproduction 11(1): 13-17

Observations on occurrence and identity of powdery mildew of cucurbits in Tamil Nadu. Indian Phytopathology 44(1): 45-51

Observations on ocular squamous cell carcinoma in cattle. Indian Veterinary Journal 69(4): 361-362

Observations on oestrus, ovulation and progesterone profiles after clomiphene treatment in summer anoestrous buffaloes. Buffalo Bulletin 10(2): 27-31

Observations on orchard ridge systems. Deciduous Fruit Grower 41(1): 23-28

Observations on outbreaks of respiratory disease in intensively housed feedlot cattle and climatic considerations. Irish Veterinary Journal 44(4-6): 41-42

Observations on oviposition and feeding behaviour of Phytoecia rufiventris Gautier (Coleoptera: Cerambycidae). Coleopterists Bulletin 46(3): 290-295

Observations on parasitism by Neodusmetia sangwani of Rhodesgrass scale (Antonina graminis). Pesquisa Agropecuaria Brasileira 23(3): 329-331

Observations on pests of Azadirachta indica and some species of Melia. Journal of Applied Entomology 109(4): 390-400

Observations on pigments in the Malpighian tubules of third-instar larvae of Cochliomyia macellaria (Fabr. 1775) and C. hominivorax (Coq., 1885) (Diptera, Calliphoridae). Anais da Sociedade Entomologica do Brasil 20(2): 293-298

Observations on pitting in pepper fruit in Sicily. Difesa delle Piante 12(1-2): 65-73

Observations on pollen and nectar collection by honeybee colonies during the flowering of safflower (Carthamus tinctorius) in Lower Austria. Bienenvater 111(6): 239-244

Observations on pollen morphology of stone fruit species relating to taxonomy. Jiangsu Journal of Agricultural Sciences 6(3): 57-63

Observations on poplar root rot caused by Tricholoma populinum. Forest Pest and Disease ( 1): 15-16

Observations on porcine parvoviral infection in a breeding herd. Monatshefte fur Veterinarmedizin 45(14): 498-502

Observations on possible linkage between the Rps1 locus and pod wall color. Soybean Genetics Newsletter 19: 156-158

Observations on preservation. Dairy Foods 91(10): 115-116, 118-119

Observations on release of seed trees in coppice in Emilia-Romagna. Monti e Boschi 40(4): 23-26

Observations on resistance and 'self-cure' to nematode parasites exhibited by grazing lambs and Saanen kids. Proceedings of the New Zealand Society of Animal Production 49: 179-182

Observations on sensitivity of grapevine cultivars to downy mildew in the environment of southern Italy. Phytopathologia Mediterranea 30(3): 173-176

Observations on serum phosphatases in camels. Indian Journal of Animal Health 28(2): 103-106

Observations on shell lip formation and reproduction in the giant African snail Archachatina marginata suturalis (Philippi). Snail Farming Research 4: 43-45

Observations on single tree height growth prediction models for conifers. Italia Forestale e Montana 45(2): 148-168

Observations on soil aggregates following measurements of penetration resistance. Soil Technology 4(4): 351-362

Observations on soil damage due to skyline logging at Sila Piccola, Catanzaro, Italy. Monti e Boschi 38(6): 17-24

Observations on some ectoparasites of chicken in Mosul (Iraq). Journal of Veterinary Parasitology 3(1): 67-68

Observations on some elite genotypes (cultivars) of coconut palm for resistance to leaf blight (grey leaf spot) disease. Journal of Mycopathological Research 28(1): 9-11

Observations on some general characteristics of the reproduction of Bracon greeni Ashmead (Braconidae, Hymenoptera). Scientia Silvae Sinicae 24(1): 89-93

Observations on some nematodes parasitic in Japanese freshwater fishes. Folia Parasitologica 36(2): 127-141

Observations on some nematodes parasitic in freshwater fishes in Laos. Folia Parasitologica 38(2): 163-178

Observations on some production traits in criollo X Anglo-Nubian goats in Yucatan State. Memorias del VIII Congreso Nacional AZTECA, 1 al 4 de Octubre 1991, Mexico, D F: 69-74

Observations on some soil structural attributes in a degraded red-brown earth near Manilla NSW and their amelioration. Australian Journal of Soil and Water Conservation 3(4): 38-41

Observations on sows over parturition period. Acta Academiae Agriculturae ac Technicae Olstenensis, Zootechnica ( 33): 161-172

Observations on species composition and foraging strategy in bumble bee communities on comfrey (Symphytum officinale). Mitteilungen der Deutschen Gesellschaft fur Allgemeine und Angewandte Entomologie 6: 109-115

Observations on spinal surgery for paralysed Dachshunds. Praktische Tierarzt 71(9): 48, 53-59

Observations on squamous cell carcinoma in bovines. Indian Veterinary Journal 69(5): 398-400

Observations on subdioeciousness and fertilization in a kiwifruit breeding program. Acta Horticulturae 282: 377-386

Observations on superparasitism in a natural population of Centrodora scolypopae (Hymenoptera: Aphelinidae). New Zealand Entomologist ( 15): 32-38

Observations on temperature optimum, cyst production, and survival of Streptocephalus proboscideus (Frauenfeld, 1873) (Crustacea: Anostraca), fed different diets. Hydrobiologia, 212: 21-26

Observations on the D/V ratio of male genitalia of Culex pipiens complex in 8 provinces of northern Thailand. Mosquito Borne Diseases Bulletin, 81: 17-20

Observations on the Irish distribution of a plant with serious public health implications: giant hogweed (Heracleum mantegazzianum) Sommier and Levier. Bulletin of the Irish Biogeographical Society 12: 94-112

Observations on the New World screwworm fly in Libya and the risk of its entrance into Egypt. Veterinary Parasitology 42(3-4): 303-310

Observations on the Opiliones of the peat bog of Cachot. Bulletin de la Societe Neuchateloise des Sciences Naturelles ( 111): 67-70

Observations on the Orthoptera of the Massif Central. 4. Chorthippus parallelus (Zetterstedt 1821) (Orth. Acrididae). Bulletin de la Societe Entomologique de France 95(3-4): 89-95

Observations on the Simmonds-Shepherd system of genomic classification of banana cultivars. Musa: conservation and documentation Proceedings of a workshop, Leuven, Belgium, 11-14 December 1989: 47

Observations on the activity and bioethology of the entomophagous insects of Prays oleae (Bern.) in Tuscany. II. Incidence of parasitoids. Redia 73(2): 405-421

Observations on the activity and bioethology of the natural enemies of Prays oleae (Bern.) in Tuscany. I. Predators. Redia 73(1): 243-259

Observations on the adaptability of berseem as winter fodder in Koshi hill areas. PAC Working Paper Pakhribas Agricultural Centre ( 16): 7 pp.

Observations on the affinity and productive behaviour of aubergine rootstocks and other species in the Solanaceae. Colture Protette 19(11): 75-80

Observations on the behaviour of ciliated protozoa in the rumen of goats (Capra hircus L.) reared in Itapetininga, Sao Paulo. Revista da Faculdade de Medicina Veterinaria e Zootecnia da Universidade de Sao Paulo 26(1): 15-20

Observations on the behaviour of micropropagated and grafted plums. Rivista di Frutticoltura e di Ortofloricoltura 52(6): 35-38

Observations on the biology of Myzus persicae (Sulzer). Frustula Entomologica 11: 129-142

Observations on the biology of Pomphorhynchus laevis (Zoega in Muller, 1776) (Acanthocephala) in the Rokytna River, Czech and Slovak Federative Republic. Helminthologia (Bratislava): 281: 23-29

Observations on the biology of Viteus vitifoliae infesting Vitis vinifera and trials on its control. Informatore Agrario 46(7): 111-119

Observations on the biology of jasminum leaf-web worm. Bulletin of Entomology New Delhi 29(1): 115-120

Observations on the biology of lemon butterfly, Papilio demoleus Linnaeus (Lepidoptera: Papilionidae). PKV Research Journal 13(2): 176-177

Observations on the biology of the acacia scale Diaspidiotus ancylus (Putnam) on white acacia (Robinia pseudoacacia). Simiente 60(2): 106-108

Observations on the bionomics of Plusia agnata Standinger. Insect Knowledge 27(5): 287-289

Observations on the bionomy of Allocreadium isoporum (Looss, 1894) (Trematoda: Allocreadiidae). Folia Parasitologica 39(2): 133-144

Observations on the biotic cycle of Theba pisana (Muller) (Gastropoda, Pulmonata) in Europe and Australia. Bollettino Malacologico 26(5-9): 73-82

Observations on the birth and sucking behaviour of goats. Tierarztliche Praxis 17(4): 359-365

Observations on the changes in behavioural activities of dairy cows prior to and after parturition. Irish Veterinary Journal 44(4-6): 43-47

Observations on the changes in the flora of the island of Toro (SW Sardinia) during the past 50 years. Webbia 44(2): 279-289

Observations on the chemical control of citrus pests: selectivity of the pheromone traps of Archips rosanus L. and Cacoecimorpha pronubana (Hb.) (Lepidoptera-Tortricidae). Annali dell' Istituto Sperimentale per l' Agrumicoltura1989; 21-22: 171-180

Observations on the chemical control of citrus pests: useful and indifferent mites. Annali dell' Istituto Sperimentale per l' Agrumicoltura1989; 21-22: 181-196

Observations on the chromosome number of Prunus. China Fruits ( 2): 8-10

Observations on the citrus bud midge Dasineura citrigemmina (Dip.: Cecidomyiidae). Journal of South China Agricultural University 12(3): 43-48

Observations on the colic motor complex in a pony with a small intestinal obstruction. Equine Veterinary Journal (Supplement 7): 43-45

Observations on the condition of beech (Fagus sylvatica L.) in Britain in 1990. Forestry Oxford 65(1): 35-60

Observations on the course of bovine mastitis. Veterinariya Moskva (8): 40-42

Observations on the decline of Pinus nigra and Juniperus communis in the province of Trieste. Economia Montana Linea Ecologica 22(6): 14-17

Observations on the deformation of wood cells in the gluing process of veneer. Bulletin of the Tokyo University Forests ( 82): 131-135

Observations on the dehydration of heat induced milk foam for khoa making. Indian Journal of Dairy Science 43(2): 185-189

Observations on the detachment of spores of Pasteuria penetrans from pre-parasitic second-stage juveniles of Meloidogyne spp. Nematologia Mediterranea 19(2): 225-227

Observations on the determination of the critical leaf P value in sugarcane. Cuba Azucar (July-Dec.): 49-54

Observations on the distribution of anophelines in Suriname with particular reference to the malaria vector Anopheles darlingi. Memorias do Instituto Oswaldo Cruz 85(2): 221-234

Observations on the domiciliation of Culex (Melanoconion) in a highly modified man-made environment. Revista de Saude Publica 25(4): 257-266

Observations on the early stages of reproductive activity in Bergamasca ewe lambs. Summa 7(4): 187-188

Observations on the eastern mouse spider Missulena bradleyi Rainbow (Mygalomorphae: Actinopodidae): natural history and envenomation. Australian Entomological Magazine 17(4): 93-96

Observations on the ecology of nematodes inhabiting littoral sands of the Hugli estuary. Journal of the Marine Biological Association 29(1/2): 124-133

Observations on the economic performance of irrigation: a study of 23 farms in East Anglia. Observations on the economic performance of irrigation: a study of 23 farms in East Anglia: iv + 52pp.

Observations on the effect of endosulfan, an organochlorine pesticide on the mortality of fish Channa gachua (Ham.). Indian Journal of Applied and Pure Biology 5(2): 127-128

Observations on the effect of leaf extracts on germination and fungi associated with seeds of Glycine max L. Indian Journal of Applied and Pure Biology 5(1): 53-56

Observations on the effect of verapamil with sodium stibogluconate in kala azar. Tropical and Geographical Medicine 44(1-2): 15-18

Observations on the effects of temperature on the phenological development of six weed species of winter cereals, in their early stages of development. Proceedings of the 1991 meeting of the Spanish Weed Science Society: 142-145

Observations on the effects of volcanic activity on insects and their habitat on White Island. New Zealand Entomologist ( 15): 72-76

Observations on the embryonic and post-embryonic development of Diploscapter orientalis (Nematoda: Rhabditida). Revue de Nematologie, 142: 285-290

Observations on the embryonic development of Nephotettix virescens (Homoptera: Cicadellidae). Vingnanam Journal of Science 3(1-2): 31-37

Observations on the emergence and swarming of Odontotermes hainanensis Light. Insect Knowledge 24(6): 337-343

Observations on the epidemiology of Taenia hydatigena in Soay sheep on St Kilda. Veterinary Record 131(10): 218-219

Observations on the eradication of Brucella ovis infection from a ram flock. New Zealand Veterinary Journal 39(1): 29-31

Observations on the experimental pathogenicity and toxigenicity of Mortierella wolfii strains of bovine origin. British Veterinary Journal 147(6): 504-516

Observations on the failures of rural cooperatives in South Kivu, Zaire. IFDA Dossier ( 8): 51-56

Observations on the features of endosperm cell wall formation at early cellularization stage in Triticum aestivum. Acta Botanica Sinica 32(1): 76-78

Observations on the feeding behaviour of Heterodera schachtii throughout development, including events during moulting. Fundamental and Applied Nematology, 151: 75-89

Observations on the feeding habits of Hypsipyla grandella larvae under laboratory conditions. Revista Forestal Baracoa 19(2): 7-14

Observations on the first stages and the behaviour of Psychidae. First part: the egg and the primary case. (Lep.). Bulletin de la Societe Entomologique de France 95(5-6): 145-159

Observations on the flora and vegetation of Taibai Shan, Qinling Mountain Range, Southern Shaanxi, China. Acta Phytotaxonomica Sinica 28(4): 261-293

Observations on the floral biology of Prosopis. 2. Floral phases and visitors in the Chaqueno Serrano district. Darwiniana 30(1-4): 71-85

Observations on the floral biology of certain mangroves. Proceedings of the Indian National Science Academy Part B Biological Sciences 56(4): 367-374

Observations on the folate status of a self-selected group of institutionalized and free-living elderly Canadians. Journal of the Canadian Dietetic Associationer 52(2): 93-96

Observations on the foundresses of Indian yellow wasp, Polistes olivaceus (De-Geer), (Hymenoptera) at nest construction utilizing notice papers. Bulletin of Entomology New Delhi 28(1): 19-24

Observations on the fruit growth and development characters of Shatianyou pomelo. China Citrus 21(2): 15-16

Observations on the genital tract of cull ewes. Veterinary Record 130(4): 68-70

Observations on the geologic history of a wetland have the potential of assisting efforts to construct wetlands on mined land. Proceedings of the Mining and Reclamation Conference and Exhibition ( 2): 347

Observations on the germinative energy of several citrus rootstocks and on their growth in various types of peat container. Annali dell' Istituto Sperimentale per l' Agrumicoltura1989 1990; 21-22: 197-206

Observations on the grazing of double low oilseed rape and other crops by roe deer . Applied Animal Behaviour Science 28(3): 213-220

Observations on the growth and development characteristics of Setaria italica. II. Observations on the anatomical structure of leaves at different positions in S. italica. Acta Agronomica Sinica 16(4): 311-316

Observations on the growth and productivity of several processing plum cultivars. Rivista di Frutticoltura e di Ortofloricoltura 52(6): 45-48

Observations on the growth and reproduction of goats on the Potosino high plateau. 1. Growth. Memorias del VII Congreso Nacional, AZTECA, 5 al 8 de Diciembre de 1990, Cualican, Sinaloa, Mexico: 159-163

Observations on the growth and reproduction of goats on the Potosino high plateau. 2. Reproduction. Memorias del VII Congreso Nacional, AZTECA, 5 al 8 de Diciembre de 1990, Cualican, Sinaloa, Mexico: 164-167

Observations on the growth in central Italy of some recently selected Populus X euramericana clones. Informatore Agrario 44(49): 45-47

Observations on the growth of juvenile Atlantic halibut (Hippoglossus hippoglossus L.) in captivity. Aquaculture, 801-2: 79-86

Observations on the health of feral urban pigeons. VII Tagung uber Vogelkrankheiten, Munchen, 1 und 2 Marz 1990: 77-87

Observations on the house frequenting behaviour and host preference of two forms of Anopheles (Cellia) minimus Theobald in Hainan. Acta Entomologica Sinica 32(2): 253-254

Observations on the immunomorphology of the intestinal epithelium. Acta Veterinaria et Zootechnica Sinica 22(1): 89-95

Observations on the in situ detection of free radicals in leaves using electron paramagnetic resonance spectrometry. Canadian Journal of Botany 70(1): 192-199

Observations on the incidence of Misumenops tricuspidatus and the number of plant bugs fed by it. China Cottons ( 4): 42-43

Observations on the incidence of air-borne pollens at Bhopal with key for their identification. Indian Journal of Applied and Pure Biology 4(2): 79-82

Observations on the incidence of plant parasitic nematodes in grassland in England and Wales. Grass & Forage Science 47(3): 274-279

Observations on the incidence of three amphipyrine species in western Switzerland and Tessin: Spodoptera exigua Hbn., Caradrina (Platyperigea) kadenii Frr. and Sedina buettneri O. Hering (Lepidoptera, Noctuidae). Mitteilungen der Schweizerischen Entomologischen Gesellschaft 63(1-2): 179-188

Observations on the induction of natural regeneration on a steep north slope in a subalpine Norway spruce forest. Schweizerische Zeitschrift fur Forstwesen 140(11): 1013-1022

Observations on the infestation of Chilo suppressalis (Walker) on winter crops. Insect Knowledge 26(4): 199-200

Observations on the influence of plucking round on leaf standard and quality of made tea. Two and a Bud 36(1-2): 12-13

Observations on the life cycle and behaviour of the predatory beetle, Rhizophagus grandis Gyll. (Col., Rhizophagidae) in Britain. Journal of Applied Entomology, 1113: 286-296

Observations on the life cycle of Proteocephalus tumidocollus (Cestoda: Proteocephalidae) in steelhead trout, Oncorhynchus mykiss. Journal of the Helminthological Society of Washington, 581: 39-42

Observations on the life history of Onthophagus medorensis. Southwestern Entomologist, 163: 205-213

Observations on the life-cycles of two haploporid trematodes, Carassotrema bengalense Rekharani & Madhavi, 1985 and Saccocoelioides martini Madhavi, 1979. Systematic Parasitology, 202: 97-107

Observations on the mating behaviour of Chilo suppressalis. Insect Knowledge 26(4): 201-202

Observations on the morphological variability of the third instar larvae of Gasterophilus nasalis (Diptera: Gasterophilidae). Bulletin de la Societe Francaise de Parasitologie 7(1): 93-98

Observations on the morphology and taxonomy of two Parachordodes species (Nematomorpha, Gordioida, Chordodidae) in southern New England (USA). Journal of Zoology (London): 2253: 469-480

Observations on the morphology of Neodolichodorus cassati (Luc & Dalmasso, 1971) Siddiqi, 1977 (Nematoda: Tylenchina). Afro Asian Journal of Nematology 1(2): 146-149

Observations on the morphology of Toxocara pteropodis eggs. Journal of Helminthology 64(4): 271-277

Observations on the natural classification of the genus Carthamus L., s.l. Anales del Jardin Botanico de Madrid 47(1): 11-34

Observations on the natural regeneration of western hemlock (Tsuga heterophylla) in south east Wales. Quarterly Journal of Forestry 84(2): 94-98

Observations on the nesting biology of three species of panurgine bees (Hymenoptera: Andrenidae). Journal of the Kansas Entomological Society, 641: 80-87

Observations on the occurrence of Macrosiphum albifrons Essig on Lupinus polyphyllus Lindl. in 1989 in the North of Czechoslovakia. Archiv fur Phytopathologie und Pflanzenschutz 26(5): 499-501

Observations on the occurrence of gastric ulcers in horses. Pferdeheilkunde (Sonderausgabe): 188-191

Observations on the occurrence of salmonellae in cattle in the Mecklenburg-Vorpommern region from 1980 to 1989. Tierarztliche Umschau 47(4): 249-252, 257

Observations on the occurrence of stem Phytophthora in potatoes. Nachrichtenblatt fur den Pflanzenschutz in der DDR 44(6): 134-135

Observations on the occurrence of the lupin aphid (Macrosiphum albifrons Essig) in 1989 in the GDR. Archiv fur Phytopathologie und Pflanzenschutz 26(5): 503-505

Observations on the ontogeny of some Xiphinema species (Nematoda: Dorylaimida). Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent 54(3b): 1177-1186

Observations on the output of nematode eggs in faeces and on the subsequent pasture infestation with third stage larvae produced by a herd of farmed red deer (Cervus elaphus). Veterinary Record 129(25-26): 549-551

Observations on the ovarian activity of Libyan fat tailed ewes: uterine involution and post partum ovarian activity. Veterinary Medical Journal Giza 38(3): 467-476

Observations on the overwintering of honeybee colonies in hives with open and solid floorboards. Bee Craft 72(7): 201-210

Observations on the ovicidal action of anti-Dicrocoelium drugs. Byulleten' Vsesoyuznogo Instituta Gel' mintologii im K I Skryabina ( 47): 75-77

Observations on the oviposition behaviour of Trichogramma dendrolimi Matsumura. Colloques de l' INRA ( 56): 73-76

Observations on the parasitic Anoplura of small mammals in Catalonia (Spain). Revista Iberica de Parasitologia 47(1): 81-87

Observations on the parasitoids of Mesepiola specca Davis (Lepidoptera: Incurvariidae). Pan-Pacific Entomologist, 654: 436-439

Observations on the performance of the first flock of improved Awassi sheep in India. Sheep Dairy News 9(1): 109-110

Observations on the phenology and control of the Western flower thrips Frankliniella occidentalis Pergande of mango inflorescences in Israel. Alon Hanotea 46(8): 497-503

Observations on the population dynamics of Aleurothrixus floccosus (Mask.) (Hom. Aleyrodidae) in Sicily. Phytophaga 1988; 2: 73-86

Observations on the possible effects of the mite Panonychus ulmi Koch on the size of apple fruits, on some qualitative characteristics of the product and on the formation of fruit buds. Difesa delle Piante 12(4): 41-52

Observations on the predation ability of Aporcelaimellus nivalis (Altherr, 1952) Heyns, 1966 (Nematoda: Dorylaimida). Nematologica, 373: 333-342

Observations on the predictive value of methods for examining trees as regards the duty to ensure traffic safety. Gartenamt 39(6): 379-387

Observations on the prevention of colienterotoxaemia in piglets at weaning by feeding with a naturally acidified whey. Rivista di Suinicoltura 32(4): 125-127

Observations on the production of seeds by Norway spruce in relation to forest decline. Monti e Boschi 38(1): 49-54

Observations on the rearing of perch-pike (Stizostedion lucioperca L.) in the laboratory. Archiv fur Fischereiwissenschaft 40(1/2): 167-173

Observations on the relative distribution of the egg-masses and larvae of the cotton leaf-worm, Spodoptera littoralis (Boisd). (Lepidoptera: Noctuidae), in soybean fields. Bulletin of Faculty of Agriculture, University of Cairo 41(3): 631-638

Observations on the reproductive biology of Onchocerca volvulus. Acta Leidensia 59(1-2): 27-44

Observations on the reproductive performance of three purebreds and one crossbred group of ewes on the Blenheim sheep station in Tobago, West Indies. Journal of the Agricultural Society of Trinidad and Tobago ( 87): 30-34

Observations on the seasonal abundance of Icerya purchasi on Acacia baileyana in Adelaide, South Australia. Entomophaga, 371: 115-121

Observations on the seasonal distribution of blood parasites in sheep in Israel. Israel Journal of Veterinary Medicine 46(1): 37-38

Observations on the seasonal fluctuation of Meloidogyne hapla on kiwi (Actinidia deliciosa) in Spain. Nematropica 20(1): 31-37

Observations on the senescence of a mutant non-yellowing genotype of Phaseolus vulgaris L. Journal of experimental botany 42(235): 235-241

Observations on the spatial variability in seed production by a Bromus diandrus Roth. population in a field of winter cereals. Proceedings of the 1991 meeting of the Spanish Weed Science Society: 78-81

Observations on the spread of vegetation to road cuttings in the far north of Finland. Reports of the Kevo Subarctic Research Station 21: 1-9

Observations on the statutory control of animal experiments in Berlin. Tierarztliche Umschau 46(10): 610-614

Observations on the storability of California and Florida crisphead lettuce. Proceedings of the Florida State Horticultural Society 1989; 101: 211-212

Observations on the structure and the steroidogenic activity of the testis and adrenal gland in chicken from hatching to sexual maturity. Annali della Facolta di Medicina Veterinaria di Pisa 42: 273-280

Observations on the structure of open arid forests. The phytogenic field of Amygdalus bucharica (Rosaceae). Botanicheskii Zhurnal 75(9): 1235-1247

Observations on the stylet and the parasitical site segment of Japanese pine bast scale. Forest Research 1(2): 191-194

Observations on the surface morphology of Formosan strain of adult Schistosoma japonicum by scanning electron microscopy. Taiwan Journal of Veterinary Medicine and Animal Husbandry ( 52): 1-9

Observations on the surveillance of experimental animal facilities in universities. Tierarztliche Umschau 46(10): 614-616

Observations on the survival of free-living stages of sheep nematodes on pasture. Deltion tes Ellenikes Kteniatrikes Etaireias = Bulletin of the Hellenic Veterinary Medical Society 43(1): 33-39

Observations on the swarming behaviour of three species of Aedes mosquitoes in Britain. British Mosquito Group Newsletter ( 5): 5-7

Observations on the taxonomy and geographic distribution of some Italian species of Carabidae (Coleoptera). Giornale Italiano di Entomologia 4(21): 183-190

Observations on the therapy of MMA complex in swine. Berliner und Munchener Tierarztliche Wochenschrift 104(12): 421-423

Observations on the treatment of obese outpatients. Clinica Dietologica 17(3): 175-176

Observations on the use of a high pressure tree injection system. Arboricultural Journal 15(1): 19-26

Observations on the use of appropriate technology in agricultural development in Tanzania. Beitrage zur Tropischen Landwirtschaft und Veterinarmedizin 29(1): 33-43

Observations on the use of honey supers with drone cell foundation. Ape Nostra Amica 14(3): 30-32

Observations on the vegetation of Prakasam district, Andhra Pradesh. Indian Botanical Reporter 8(2): 134-137

Observations on the vegetation of some shallow lakes near the mouth of the River Ypane, Paraguay. Amazoniana 11(2): 167-184

Observations on trematode fauna of freshwater fish in Laos. Helminthologia (Bratislava): 282-3: 125-130

Observations on two Rhabdochona species (Nematoda: Rhabdochonidae) from freshwater fishes in Iraq, including description of R. similis sp. n. Folia Parasitologica (Ceske Budejovice): 383: 235-243

Observations on varietal susceptibility of a plum collection to natural infection by Xanthomonas pruni. Rivista di Frutticoltura e di Ortofloricoltura 52(6): 61-63

Observations relating to enhanced phosphorus removal in biological systems. Water Research 26(2): 213-223

Observations with Hoechst staining of amitosis in Acanthamoeba castellanii. Journal of Protozoology, 383: 221-224

Observations: potential long-term environmental impact of tebuthiuron and its metabolites in Utah juniper trees. Journal of Range Management 45(2): 167-170

Observed and theoretical genetic trends in a large dairy population under intensive selection. Journal of dairy science 75(8): 2242-2253

Observed effects of soil organic matter content on the microwave emissivity of soils. Remote Sensing of Environment 31(3): 175-182

Observed gains from three recurrent selection regimes for increased groat-oil content of oat. Crop science 31(6): 1505-1510

Observer variability for disk meter measurements of forage mass. Agronomy Journal 84(4): 603-605

Observing culture conditions and sanitary measures as preconditions for the successful use of predatory mites for spider-mite control on cucumbers in greenhouses. Gartenbau 35(1): iv-v

Observing development through evolutionary eyes: a practical approach. Bioessays 14(4): 281-287

Observing the carbonized samples of bamboos with SEM. Journal of Bamboo Research 7(4): 24-28

Obsolete pesticides crisis. Global Pesticide Campaigner 2(1): 1, 10-14

Obstacles facing farmer-managed irrigation systems in the state of Cambodia. Design issues in farmer managed irrigation systems: 275-278

Obstacles on the path to rearing horses for dairying. Konevodstvo i Konnyi Sport ( 9): 6-7

Obstacles to capital formation in agricultural inputs. Economic Science Beijing ( 1): 12-16

Obstacles to malaria control in India - the human factor. Demography and vector borne diseases: 143-154

Obstructive colic in horses fed hay prepared from loose silky bent grass (Apera spica-venti). Pferdeheilkunde (Sonderausgabe): 213-215

Obstructive hydrocephalus produced by parasitic granulomas in a dog. Journal of Veterinary Medicine Series A 39(5): 392-395

Obstructive jaundice associated with the rupture of hydatid cysts into the bile ducts. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 3): 41-42

Obtaining Dioscorea trifida L. yam plants free from yam mosaic virus (YMV) by apical in vitro culture. Agronomie 10(8): 605-615

Obtaining a representative blood sample in lactate tracer studies. Hormone and Metabolic Research 22(9): 470-477

Obtaining an additive based on resinous bark for the alkaline pulping of beech wood. II. Process for enhanced extraction of additives. Celuloza si Hirtie 39(2-3): 65-69

Obtaining and comparing output and cost data for uphill and downhill extraction with tipping-mast cableway installations as decision-making criteria for forest technologies. Centralblatt fur das Gesamte Forstwesen 107(4): 241-258

Obtaining and preparing roundwood from early thinnings in Norway spruce. Wissenschaftliche Zeitschrift der Technischen Universitat Dresden 39(4): 133-135

Obtaining buttermilk concentrates using ultrafiltration. Alimentaria ( 228): 33-36

Obtaining callus and cell suspension of different plant species. Pesquisa Agropecuaria Brasileira 25(6): 889-895

Obtaining diploid gynogenesis in carp by thermal shock of developing eggs. Journal of Ichthyology 29(5): 134-137

Obtaining dried cultured milk products. USSR Patent: (SU 1 581 257)

Obtaining feathers and down from geese. Ptitsevodstvo ( 11): 31-32

Obtaining immune sera to Beta -endotoxin Bacillus thuringiensis. Vestnik Sel' skokhozyaistvennoi Nauki Moskva ( 4): 146-148

Obtaining lactic acid. Pishchevaya Promyshlennost' , Ezhemesyachnyi Teoreticheskii i Nauchno Prakticheskii Zhurnal ( 10): 38-39

Obtaining management profiles of Ontario swine producers through cluster analysis. Working Paper Department of Agricultural Economics and Business, University of Guelph ( WP90/22): 29pp.

Obtaining milk protein hydrolyzates with preset peptide profile. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol II: 353

Obtaining modified honeybee venom allergens. Zhurnal Mikrobiologii, Epidemiologii i Immunobiologii ( 3): 72-75

Obtaining mutants of plants with changed composition of phytosterines, having resistance to insects. 1. Creation of a laboratory model plant-insect. Vestnik Leningradskogo Universiteta Seriya 3, Biologiya ( 2): 82-87

Obtaining of virus-free potato (Solanum tuberosum L.) planting stock material through meristem culture. Doga, Turk Tarm ve Ormanclk Dergisi 16(2): 380-391

Obtaining plantlets through immature embryo culture of lilies. Journal of the Korean Society for Horticultural Science 31(4): 423-431

Obtaining plants from in vitro culture of microcuttings from epirrhizal shoots and shoots from an adult tree of Pithecellobium scalare. Phyton Buenos Aires 50(1-2): 155-163

Obtaining plants of spring barley (Hordeum vulgare L.) by means of anther culture. Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin ( 176): 43-51

Obtaining process water from effluents through UV disinfection. Korrespondenz Abwasser 38(12): 1670, 1672-1673

Obtaining sediment properties using field instrumentation. Agricultural engineering and rural development Proceedings of a conference held in Beijing, China, 12-14 October 1992 Vol II: V-1-6

Obtaining spring and winter forms from a single hybrid population. Vestnik Sel' skokhozyaistvennoi Nauki Moskva ( 2): 70-73

Obtaining stable grain yields in Siberia and Kazakhstan. Soviet Geography 30(10): 743-751

Obtaining the first multi-parent lambs. Zootehnie si Medicina Veterinara 40(5-6): 10-14

Obtaining the optimum cropping pattern for Development District No.48, Coahuila and Durango. Informes de Investigaciones, PRONAPA: 343-362

Obtaining transgenic red clover (Trifolium pratense L.) using Agrobacterium binary vector. Eksperimentine Biologija ( 1): 42

Obtaining vitamin meal for animal fodder from green foliage of Pinus caribaea and Pinus tropicalis. Revista Forestal Baracoa 20(1): 21-32

Obtainment and use of a microalgal biocenose for clarifying mine waters. Soviet Biotechnology ( 2): 78-82

Obtainment of Acinetobacter pure cultures from the municipal wastewaters of the city of Riga, Latvia. Latvijas Zinatnu Akademijas Vestis B Dala, Dabaszinatnes ( 3): 72

Obtainment of enzymatic starch hydrolysates destined for confectionery syrups. Zeszyty Naukowe Politechniki odzkiej, Technologia i Chemia Spozywcza ( 45): 105-114

Obtention of a human primary humoral response against schistosome protective antigens in severe combined immunodeficiency mice after the transfer of human peripheral blood mononuclear cells. European Journal of Immunology 21(7): 1763-1766

Obtention of a strain of Erwinia amylovora cured of its plasmid pEA. Acta Horticulturae ( 217): 171

Obtention of haploid plants induced by irradiated pollen in watermelon (Citrullus lanatus). Report Cucurbit Genetics Cooperative ( 14): 109-110

Occasional technical & scientific notes: Effects of pretreatments on germination of Acacia mangium (Willd.) in Sabah. FRC Publication ( 54): vi + 21 pp.

Occasional technical & scientific notes: Results of media trials using sawdust on germination of Acacia mangium (Willd.). FRC Publication ( 53): vi + 17 pp.

Occipitoatlantoaxial malformation with atlantoaxial subluxation in a cat. Journal of Small Animal Practice 32(7): 366-372

Occluded mica in hydroxy-interlayered vermiculite grains from a highly-weathered soil. Clays and Clay Minerals 40(1): 32-39

Occlusion in Pinus tropicalis trees tapped for resin. Revista Forestal Baracoa 20(1): 109-112

Occlusion of water pores prevents guttation in older strawberry leaves. Journal of the American Society for Horticultural Science 116(6): 1122-1125

Occular loiasis in a Zambian woman. East African Medical Journal 66(7): 491-494

Occult abdominal wall peristomal abscess following percutaneous endoscopic gastrostomy. Clinical Nutrition (Edinburgh) 9(5): 289-290

Occult filarial infections. National Medical Journal of India 3(1): 7-9

Occupancy of the majority of DNA in the chicken W chromosome by bent-repetitive sequences. Chromosoma 101(1): 32-40

Occupation and malignant melanoma: a study based on cancer registration data in England and Wales and in Sweden. British Journal of Industrial Medicine 47(5): 317-324

Occupation of Sao Paulo rural workers in 1988-90. Informacoes Economicas Instituto de Economia Agricola 21(9): 9-21

Occupation-related leptospirosis in South Australia. Medical Journal of Australia 155(2): 132-133

Occupational (photo)allergic contact dermatitis from azaperone in a piglet dealer. Contact Dermatitis 25(4): 258-259

Occupational and paraoccupational exposure to methyl bromide during soil fumigation in Switzerland. Acta Horticulturae ( 255): 327-335

Occupational asthma caused by exposure to neurospora in a plywood factory worker. British Journal of Industrial Medicine 48(4): 279-282

Occupational asthma caused by inhalation of casein. Allergy (Copenhagen) 45(4): 306-308

Occupational asthma in a beet sugar processing plant. Chest 101(6): 1720-1722

Occupational asthma to spores of Pleurotus cornucopiae. European Respiratory Journal 4(9): 1143-1147

Occupational atopic contact dermatitis from Rhizoglyphus. Contact Dermatitis 25(3): 193-194

Occupational chemicals in human milk. Chemical contaminants in human milk: 209-214

Occupational exposure of plantation spray workers to glyphosate during mist blower application. Proceedings, 13th Asian Pacific Weed Science Society Conference ( 1): 279-283

Occupational exposure to aerosolized pentamidine isethionate. American Journal of Hospital Pharmacy 48(3): 557-558

Occupational exposure to amorphous silica dust and pulmonary function. British Journal of Industrial Medicine 47(11): 763-766

Occupational exposure to asbestos as evaluated from work histories and analysis of lung tissues from patients with mesothelioma. British Journal of Industrial Medicine 48(1): 48-52

Occupational exposure to fungal and actinomycete spores during the handling of wood chips. Grana 29(2): 153-156

Occupational exposure to infectious agents among environmental workers. Igiene Moderna 96(2): 226-236

Occupational health among migrant and seasonal farmworkers: The specific case of dermatitis. American Journal of Industrial Medicine 18(3): 345-351

Occupational health and rehabilitation of forest workers. Occupational health and rehabilitation of forest workers: 281 pp.

Occupational health guidelines for control of Q fever in sheep research. Annals of the New York Academy of Sciences 590: 283-290

Occupational health: the other side. The role of non-medical specialists in occupational health. Occupational Health Review (Aug./Sep.): 2-8

Occupational hearing loss in New York dairy farmers. American Journal of Industrial Medicine 20(4): 517-531

Occupational inhalant allergy to arthropods. Clinical Reviews in Allergy 8(1): 15-29

Occupational medicine in Morocco: present state and future perspectives. Revue d' Epidemiologie et de Sante Publique 40(2): 139-143

Occupational mobility of displaced families: a study of the Panam irrigation project in Gujarat. Anvesak 19(1/2): 151-173

Occupational onicodystrophy from paraquat. Dermatologia, Revista Mexicana 35(4): 228-230

Occupational respiratory diseases resulting from exposure to eggs, honey, spices, and mushrooms. Allergy Proceedings 11(2): 69-70

Occupational risks in sewage work. Lancet British edition 338(8779): 1404-1405

Occupational risks of bladder cancer among white women in the United States. American Journal of Epidemiology 132(3): 453-461

Occupational skin disease in newspaper pressroom workers. Journal of Occupational Medicine. 33(6): 711-717

Occupational stress among mental health professionals. Social Psychiatry and Psychiatric Epidemiology 26(5): 238-244

Occupational structure of women in Orissa. Social Change New Delhi 20(2): 70-75

Occupational sunlight exposure and melanoma in the U.S. Navy. Archives of Environmental Health 45(5): 261-267

Occupations in the hotel tourist sector within the European Community: a comparative analysis. Occupations in the hotel tourist sector within the European Community: a comparative analysis: 101pp.

Occurrence and association of soils in Thuringen. Geookodynamik 11(2-3): 143-162

Occurrence and bionomics of the mulberry gall-midge and its control in Shaanxi. Shaanxi Journal of Agricultural Sciences ( 4): 32-33

Occurrence and characteristics of Azotobacter and Beijerinckia in some soils of Bihar. Journal of Research, Birsa Agricultural University 1(1): 69-74

Occurrence and chromosome number of Cucumis sativus var. hardwickii (Royle) Alef. in South India and its bearing on the origin of cultivated cucumber. Euphytica 61(2): 131-133

Occurrence and control of VSD in Java and South East Sulawesi. Cocoa pest and disease management in Southeast Asia and Australasia: 209-213

Occurrence and control of bacterial stem rot of betelvine caused by Xanthomonas campestris pv. betlicola. Advances in research on plant pathogenic bacteria based on the proceedings of the National Symposium on Phytobacteriology held at the University of Madras, Madras, India during March 14-15, 1986: 129-131

Occurrence and control of benomyl resistant strains of Fusarium moniliforme, the causal fungus of Bakanae disease in Chiba Prefecture. Bulletin of the Chiba ken Agricultural Experiment Station ( 29): 115-123

Occurrence and control of benzimidazole and dicarboximide resistant Botrytis spp. on bulb crops in Western Washington and Oregon. Acta Horticulturae ( 266): 437-445

Occurrence and correction of manganese deficiency in Histosol-grown rice. Soil Science Society of America Journal 54(6): 1634-1638

Occurrence and density of alkalophilic bacteria and fungi in saline soils of Makkah District, Saudi Arabia. Arab Gulf Journal of Scientific Research 9(3): 119-132

Occurrence and detrimental effect of cleavers, Galium aparine L., in grain fields. Nachrichtenblatt Pflanzenschutz 44(11): 253-256

Occurrence and diagnosis of Aujeszky's disease in the Chanar Ladeado and Saladillo districts. Veterinaria Argentina 8(74): 252, 254-257

Occurrence and distribution of Aeromonas salmonicida infections on Swedish fish farms, 1951-1987. Journal of Aquatic Animal Health 1(3): 187-196

Occurrence and distribution of Eperythrozoon suis infection in Bavaria. Results of CF and ELISA tests. Untersuchungen zum Nachweis und zur Verbreitung der Eperythrozoon suis Infektion in Bayern mittels Komplementbindungsreaktion und Enzyme Linked Immunosorbent Assay: 113 pp.

Occurrence and distribution of Pseudomonas syringae subsp. savastanoi in Jordan. Phytopathologia Mediterranea 30(1): 64-66

Occurrence and distribution of aspartate aminotransferases in spruce and beech ectomycorrhizas. Canadian Journal of Botany 68(8): 1756-1762

Occurrence and distribution of cucurbit viruses in the Hawaiian Islands. Plant Disease 75(4): 367-370

Occurrence and distribution of fungi causing ginger yellows in Himachal Pradesh. Plant Disease Research 5(2): 200-202

Occurrence and distribution of gall nematodes of soya. Documentos, Centro nacional de Pesquisa de Soja, EMBRAPA ( 36): 178-180

Occurrence and distribution of pest complex of some tropical and temperate fruits in Manipur. Bulletin of Entomology New Delhi 28(1): 12-18

Occurrence and distribution of selenium.

Occurrence and distribution of soybean seed-borne fungi in Korea. Korean Journal of Plant Pathology 5(3): 287-293

Occurrence and distribution of visna maedi virus infection in breeding sheep flocks in Lower Austria. Deutsche Tierarztliche Wochenschrift 97(11): 465-466,468-469

Occurrence and distribution patterns of Mediterranean fruit fly (Diptera: Tephritidae) in desert areas in Chile and Peru. Environmental Entomology 20(1): 174-178

Occurrence and diversity of plasmids in ovine isolates of Pasteurella haemolytica. Research in veterinary science 51(2): 203-208

Occurrence and duration of daily minimum air temperatures injurious to fertilization of rice flowers in Santa Maria, RS. 1. Probabilities of occurrence. Ciencia Rural 21(1): 23-34

Occurrence and ecology of trichodorid nematodes in Belgium. Revue de Nematologie, 141: 127-132

Occurrence and economic significance of two new Mediterranean species Diplotaxis erucoides (Torner) D.C and Ammi majus L. in Hungary. Acta Ovariensis ( 1): 5-11

Occurrence and enterotoxigenicity of F17 fimbriae bearing Escherichia coli from calf diarrhoea. Veterinary Record 131(15): 348-349

Occurrence and environmental correlates of black spot disease in stream fishes near Toronto, Ontario. Transactions of the American Fisheries Society, 1204: 494-499

Occurrence and environmental correlations of black spot disease in stream fishes near Toronto, Ontario. Transactions of the American Fisheries Society 120(4): 494-499

Occurrence and epidemics of yellow rust of wheat in Italy. Cereal Rusts and Powdery Mildews Bulletin 18(1): 1-9

Occurrence and evolutionary significance of a California encephalitis-like virus in Aedes squamiger (Diptera: Culicidae). Journal of Medical Entomology 28(5): 645-651

Occurrence and harmfulness of Galleria mellonella L. (Lep.: Pyralidae). Natural Enemies of Insects 11(2): 87-93

Occurrence and health risk evaluation of toxic trace elements in the diet. Mitteilungen aus dem Gebiete der Lebensmitteluntersuchung und Hygiene 80(4): 490-518

Occurrence and host range of false mildew, caused by Beniowskia sphaeroidea, in Zimbabwe. Plant Disease 75(2): 215

Occurrence and identification of bean yellow mosaic virus from faba bean in Pakistan. Indian Journal of Virology 5(1-2): 88-93

Occurrence and impact of Phytomyza orobanchia (Diptera: Agromyzidae) on Orobanche crenata (Orobanchaceae) in Syria. Entomophaga, 354: 633-639

Occurrence and importance on bovine diarrhoea virus infections in sheep in Turkey. Veteriner Fakultesi Dergisi, Universitesi Ankara 37(1): 121-127

Occurrence and in Vivo Biosynthesis of Indole-3-Butyric Acid in Corn (Zea mays L.). Plant Physiology 97(2): 765-770

Occurrence and inheritance of resistance to eastern filbert blight in 'Gasaway' hazelnut. HortScience 26(4): 410-411

Occurrence and its mechanism of single stand emergence by unshelled-seed sowing of groundnuts (Arachis hypogaea L.). Japanese Journal of Crop Science 59(1): 100-106

Occurrence and long term maintenance of xylitol-resistant S. mutans population in habitual xylitol consumers. Journal of Dental Research 69(Special Issue): 325

Occurrence and management of dryland salinity on the Darling Downs, Queensland. Australian Journal of Soil and Water Conservation 4(1): 26-32

Occurrence and management of obesity in companion animals. Journal of Small Animal Practice 32(6): 275-282

Occurrence and monthly distribution of Astylus variegatus (Germar, 1824) and A. sexmaculatus (Perty, 1830) (Coleoptera: Dasytidae) in some regions of the Minas Gerais State. Anais da Sociedade Entomologica do Brasil 19(2): 373-382

Occurrence and multiplication structures of various MLOs grown in Cuscuta odorata. Recent advances in mycoplasmology Proceedings of the 7th congress of the International Organization for Mycoplasmology, Baden near Vienna, 1988: 927

Occurrence and pathogenicity of Meloidogyne arenaria on ginger. Indian Phytopathology 41(3): 467-468

Occurrence and persistence of Fusarium within styroblock and Ray Leach containers. General Technical Report Rocky Mountain Forest and Range Experiment Station, USDA Forest Service ( RM-167): 145-148

Occurrence and predisposing factors of needle discolorations of European larch (Larix decidua Mill.) in the transition zone between the Erzgebirge and Saxon Switzerland. Archiv fur Phytopathologie und Pflanzenschutz 27(4): 313-319

Occurrence and radiological studies of different teat lesions in dairy cows. Deutsche Tierarztliche Wochenschrift 97(12): 523-525

Occurrence and seasonal transmission of hematozoa in wild turkeys. Journal of Wildlife Diseases 26(4): 442-446

Occurrence and severity of ectoparasitoses among intensive dairy herds of East Germany. Monatshefte fur Veterinarmedizin 45(14): 489-493

Occurrence and significance of Campylobacter species in domestic animals in Hungary. Deutsche Tierarztliche Wochenschrift 97(8): 317-321

Occurrence and significance of enterotoxins in strains of Escherichia coli from bovine mastitis. Archiv fur Experimentelle Veterinarmedizin 45(1): 149-154

Occurrence and significance of fungal diseases on linseed and fibre flax in England, France, and Germany. Aspects of Applied Biology ( 28): 59-64

Occurrence and significance of mycoplasmas in cattle and pigs, a review. Praktische Tierarzt 71(9): 22...28

Occurrence and significance of redheart in beech, examined in three regions of Switzerland. IAWA Bulletin 11(2): 139

Occurrence and significance of toxic cyanobacteria in Southern Africa. Water Science and Technology 23(1-3): 175-180

Occurrence and site specificity of an isopod Anilocra laticauda H. Milne Edwards, 1840 (Isopoda, Cymothoidae) parasitic on the grunt, Orthopristis ruber (Cuvier) in eastern Venezuela. Crustaceana 61(1): 38-42

Occurrence and size of a sister generation of the pine shoot beetle Tomicus piniperda in Poland. Sylwan 132(10): 53-60

Occurrence and specificity of malathion resistance in stored grain insect pests in Sao Paulo state. Coletanea do Instituto de Tecnologia de Alimentos 20(2): 194-209

Occurrence and spread of Carpophilus marginellus Mots. (Coleoptera: Nitidulidae) in an industrial plant in Thuringia. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 43(4): 74-75

Occurrence and stability of patulin in fruit products. Industria Conserve 64(3): 251-254

Occurrence and structure of compression wood in European fir (Abies alba Mill.) and Douglas fir (Pseudotsuga menziesii F.) as revealed by electron microscopy and X-rays diffraction. Folia Forestalia Polonica Seria A, Lesnictwo ( 30): 33-39

Occurrence and structure of the warty layer in tracheids of some species of fir trees as investigated by the use of electron scanning microscope. Annals of Warsaw Agricultural University SGGW AR, Forestry and Wood Technology ( 35): 49-53

Occurrence and tissue distribution of both NADH- and NADPH-linked aquacobalamin reductases in some vertebrates. Journal of Nutritional Science and Vitaminology 36(4): 349-356

Occurrence and toxicity of mycotoxins in Zimbabwean maize. Zimbabwe Journal of Agricultural Research 1990; 23(2): 131-139

Occurrence and toxicological implications of heavy metals in the agricultural food chain. Publication Unite de Biochimie de la Nutrition ( 64): 1-32

Occurrence and treatment of biting louse (Werneckiella equi equi) infestation in a foal stock in Hungary. Parasitologia Hungarica 1991; 23: 109-113

Occurrence and ultrastructural characterization of bacteria in association with and isolated from Azolla caroliniana. Applied and Environmental Microbiology 57(12): 3629-3636

Occurrence aspects and ecological characteristics of the foxglove aphid, Aulacorthum solani Kaltenbach (Homoptera: Aphididae) in soybean. Research Reports of the Rural Development Administration, Crop Protection 33(3): 28-32

Occurrence of 28- and 27-carbon ecdysteroids and sterols in developing worker pupae of the leaf-cutting ant Acromyrmex octospinosus (Reich) (Hymenoptera, Formicidae: Attini). Archives of Insect Biochemistry and Physiology, 161: 1-9

Occurrence of 7,7'-biphyscion in Japanese soils. Soil Science and Plant Nutrition 37(2): 363-366

Occurrence of 9.5 cellulase and other hydrolases in flower reproductive organs undergoing major cell wall disruption. Plant Physiology 99(3): 1015-1020

Occurrence of Aedes (Stegomyia) aegypti (Linnaeus, 1762) (Diptera; Culicidae) in Goiania. Anais da Sociedade Entomologica do Brasil 20(2): 459-460

Occurrence of Aeromonas hydrophila strains in fish in Olsztyn region and their drug resistance. Medycyna Weterynaryjna 48(1): 18-19

Occurrence of Alternaria blight and ginseng yield in different shades. Korean Journal of Plant Pathology 6(1): 42-50

Occurrence of Alternaria tenuissima on mungbean in India. Plant Disease Research 5(1): 81-82

Occurrence of Amorbia spp. (Lepidoptera: Tortricidae) in guava fruits (Psidium guajava L.), in the region of Campinas. Anais da Sociedade Entomologica do Brasil 21(1): 257-260

Occurrence of Amphobotrys ricini on prostrate spurge in Oklahoma. Plant Disease 75(7): 750

Occurrence of Anopheles culicifacies species A in Iran. Journal of the American Mosquito Control Association 7(2): 324-326

Occurrence of Anthurium anthracnose in Japan. Japanese Journal of Tropical Agriculture 34(4): 289-291

Occurrence of Aphanocladium album on mushroom beds. Indian Phytopathology 43(4): 590-591

Occurrence of Arthrographis kalrai on human hair. National Academy Science Letters 13(5): 163

Occurrence of Aschersonia placenta and Hypocrella raciborskii on Asterolecanium ungulata in Durian (Durio zibethinus). Biocontrol Science and Technology 1(2): 137-144

Occurrence of Asuperscript 2 mating type isolates of Phytophthora infestans (Mont.) D By. in the USSR. Mikologiya i Fitopatologiya 25(1): 62-67

Occurrence of Beauveria bassiana (Bals.) Vuill in adults of Oryzophagus oryzae (Costa Lima, 1936) (Col., Curculionidae). Anais da Sociedade Entomologica do Brasil 21(1): 263-265

Occurrence of Beauveria velata Samson & Evans on some lepidopteran rice pests. Oryza 27(4): 501-502

Occurrence of Blastocystis sp. in pigs. Folia Parasitologica 38(4): 297-301

Occurrence of Blissus leucopterus on pasture in Rio de Janeiro state. Pesquisa Agropecuaria Brasileira 23(5): 551-553

Occurrence of Borrelia burgdorferi and the distribution of its vector Ixodes ricinus (Acari: Ixodidae) in the Meuse district, Belgium. Bulletin de la Societe Francaise de Parasitologie 8(2): 331-338

Occurrence of Botryodiplodia theobromae on Gossypium. Plant Disease Research 4(2): 156-157

Occurrence of Calloeneis on cochineal in Alagoas. Pesquisa Agropecuaria Brasileira 25(2): 281-282

Occurrence of Campylobacter coli in a boar rearing unit in Thuringia. Berliner und Munchener Tierarztliche Wochenschrift 105(3): 78-81

Occurrence of Campylobacter in poultry carcasses. Assiut Veterinary Medical Journal 26(52): 110-113

Occurrence of Campylobacter spp. and Salmonella spp. in gulls in northern Germany. Deutsche Tierarztliche Wochenschrift 98(4): 152-155

Occurrence of Cercosporidium punctum on fennel in California. Plant Disease 76(5): 539

Occurrence of Cerebella andropogonis on secretions of Sphacelia sorghi on sorghum. Sorghum Newsletter 32: 43

Occurrence of Chlamydia psittaci among free- living raptors. VIII Tagung der Fachgruppe "Geflugelkrankheiten", Munchen, 5 und 6 Marz 1992 Thema: Vogelkrankheiten: 105-123

Occurrence of Chlamydia psittaci in house sparrows (Passer domesticus). VIII Tagung der Fachgruppe "Geflugelkrankheiten", Munchen, 5 und 6 Marz 1992 Thema: Vogelkrankheiten: 124-129

Occurrence of Chrysopa carnea Steph. (Neuroptera-Chrysopidae) in maize crops. Analele Institutului de Cercetari pentru Protectia Plantelor 1988; 21: 77-83

Occurrence of Clostridium perfringens in fish and molluscs. Assiut Veterinary Medical Journal 21(42): 80-83

Occurrence of Coccinella septempunctata (L.) (Coleoptera: Coccinellidae) in central British Columbia. Pan Pacific Entomologist 67(3): 224-226

Occurrence of Cordyceps sp. on immature forms of Anticarsia gemmatalis Hubner, 1818. Biologico 55(1-2): 15-17

Occurrence of Corynebacterium suis in the urogenital tract of boars, examined by fluorescence microscopy. Fluoreszenz mikroskopische Untersuchungen zum Vorkommen von Corynebacterium suis im Urogenitaltrakt von Ebern: 198 pp.

Occurrence of Coxiella burnetii, Rickettsia slovaca, and organisms resembling bacillary rickettsiae in their natural foci in Slovakia 20 years after their first detection. Folia Parasitologica 37(3): 285-286

Occurrence of Cryptosporidium parvum in sheep in Guaiba district, RS. Arquivos da Faculdade de Veterinaria, UFRGS ( 18): 69-72

Occurrence of Culex vishnui group of mosquitoes in the rural areas of a desert district (Bikaner). Indian Journal of Medical Research 93: 259-261

Occurrence of Culicoides spp. (Diptera: Ceratopogonidae) in sheep sheds and their relevance to bluetongue in Peninsular Malaysia. Tropical Animal Health and Production 23(1): 63-65

Occurrence of Cymoninus notabilis (Distant) and Pseudopachybrachius vincta (Say) (Hemiptera: Lygaeidae) in the rice crop in Rio Grande do Sul, Brazil. Anais da Sociedade Entomologica do Brasil 20(1): 217-218

Occurrence of Cysticercus tenuicollis in cloven-footed game animals in Slovakia (Czechoslovakia). Folia Venatoria 34(19): 165-171

Occurrence of Dioctophyme renale (Goeze, 1782) in Minas Gerais state. Arquivo Brasileiro de Medicina Veterinaria e Zootecnia 40(3): 243-244

Occurrence of Eimeria oocysts in roe deer and red deer in the Borecka forest. Medycyna Weterynaryjna 46(12): 473-474

Occurrence of Entomophaga sp. on adults of Lagria villosa, Fabr. 1781, (Coleoptera: Lagriidae), in Santo Antonio de Posse and Araras, Sao Paulo, Brazil. Biologico 55(1-2): 25-26

Occurrence of Erwinia amylovora on apple fruit in New Zealand. Acta Horticulturae ( 217): 33-40

Occurrence of Eurhizococcus brasiliensis (Hempel) (Homoptera: Margarodidae) on grape at Louveira, State of Sao Paulo. Bragantia 48(2): 205-208

Occurrence of Fasciola gigantica in a lung of sheep in Mosul, Iraq. Iraqi Journal of Veterinary Sciences 2(1-2): 107-108

Occurrence of Fasciola hepatica and Dicrocoelium dendriticum in sheep flocks in a mountainous district of the Basilicata region. Acta Medica Veterinaria 37(4): 295-304

Occurrence of Fusarium crown and root rot of tomato in New Brunswick, Canada. Plant Disease 74(12): 1037

Occurrence of Fusarium on the roots of nondiseased bareroot Douglas-fir seedlings. USDA Forest Service Nursery, Coeur d'Alene, Idaho. Report Northern Region, USDA Forest Service ( 88-12): 4 pp.

Occurrence of Fusarium species and their mycotoxins in cereal grains from some Mediterranean countries. Phytopathologia Mediterranea 29(2): 81-89

Occurrence of Fusarium stalk rot on a supersweet corn cultivar in Oklahoma. Plant Disease 75(8): 862

Occurrence of Fusarium wilt depending on substrate composition. Sbornik UVTIZ, Zahradnictvi 16(1): 47-53

Occurrence of Fusarium wilt of basil in the United States. Plant Disease 76(3): 323

Occurrence of Fusarium wilt of mustard in Rajasthan. Indian Botanical Reporter 9(1): 22

Occurrence of Fusarium wilt on potato in Democratic Yemen. Tropical Pest Management 36(4): 403-404

Occurrence of Fusarium yellows on celery in southwestern British Columbia and evaluation of cultivars for disease tolerance. Canadian Journal of Plant Pathology 13(1): 88-92

Occurrence of Giardia and Cryptosporidium spp. in surface water supplies. Applied and Environmental Microbiology 57(9): 2610-2616

Occurrence of Gonocephalum sp. (Tenebrionidae: Coleoptera) as a pest of groundnut in India. Tropical Pest Management 38(1): 108

Occurrence of Heterodera iri in putting greens in the northeastern United States. Plant Disease 76(6): 643

Occurrence of Isospora heissini (Svanbaev 1955) in turkeys in south-eastern Anatolia. Doga, Turk Veterinerlik ve Hayvanclk Dergisi 14(2): 292-294

Occurrence of Listeria among reptiles kept as pets. Bericht des 4 Hohenheimer Seminars "Aktuelle Zoonosen", Stuttgart, 16-17 September 1992: 58-64

Occurrence of Listeria in foods: milk and dairy foods. Foodborne listeriosis: topics in industrial microbiology Volume 2: 151-164

Occurrence of Listeria monocytogenes in milk and milk products. Indian Dairyman 42(2): 61-66

Occurrence of Listeria species in food and environmental samples in Alberta. Canadian Institute of Food Science and Technology Journal 23(2-3): 109-113

Occurrence of Listeria species in frozen shrimp. Revista de Microbiologia 21(2): 207-208

Occurrence of Listeria species in raw milk and dairy products produced in Northern Ireland. Journal of applied bacteriology 72(2): 119-125

Occurrence of Meloidogyne incognita (Kofoid and White, 1919) Chitwood, 1949 parasitizing forage legumes at Santa Catarina State, Brazil. Nematologia Brasileira 14: 141-142

Occurrence of Menacanthus cornutus (Mallophaga: Menoponidae) on chickens in the State of Rio Grande do Sul. Arquivo Brasileiro de Medicina Veterinaria e Zootecnia 42(2): 121-126

Occurrence of Menochilus sexmaculatus (Fabricius) on different aphid species. Journal of Research, Punjab Agricultural University 27(4): 611-614

Occurrence of Mesoknemidokoptes larvis gallinae (Railliet, 1887) in domestic fowl (Gallus gallus domesticus) in Maharashtra. Indian Veterinary Journal 67(11): 1068-1069

Occurrence of Mycopsylla fici (Tryon) (Psyllidae: Homoptera) as a pest of Ficus amplissima (Smith) in Coimbatore. South Indian Horticulture 37(4): 253

Occurrence of Myrothecium leaf spot on groundnut in Vidarbha Maharashtra. Groundnut News 1(1): 7

Occurrence of Nosema meligethii I. & R. in populations of Meligethes aeneus L. in Finland. Bulletin SROP 14(6): 61-63

Occurrence of Oligomerus ptilinoides in Israel. Phytoparasitica 20(1): 51-52

Occurrence of Onchocerca armillata (Railliet and Henry 1969) in cattle in Mosul, Iraq. Iraqi Journal of Veterinary Sciences 1(1-2): 139-140

Occurrence of Orobanche in Nepal. Progress in Orobanche research Proceedings of the international workshop on Orobanche research, Obermarchtal, Germany, 19-22 August 1989: 25-29

Occurrence of Orthocoelium dinniki Eduardo, 1985 and Orthocoelium parvipapillatum (Stiles and Goldberger, 1910) Eduardo, 1985 among Indian ruminants. Indian Journal of Helminthology New Series 1990; 6(1): 1-4

Occurrence of Papilio, Graphium and Charaxes butterflies in Ugandan forests. African Journal of Zoology 28(1): 83-86

Occurrence of Penicillium corymbiferum on saffron in Italy. Plant pathology 40(1): 148-149

Occurrence of Penicillium digitatum and P. italicum resistant to benomyl, thiabendazole and imazalil on citrus fruit from different geographic origins. Plant Disease 75(11): 1098-1100

Occurrence of Phlebotomus argentipes at different heights above ground floor in cowsheds. Occurrence of Phlebotomus argentipes at different heights above ground floor in cowsheds: 1-3

Occurrence of Phoma leaf blight of groundnut. Indian Phytopathology 43(2): 234

Occurrence of Phyllodistomum folium (Olfers) (Digenea) in the eel, Anguilla anguilla (Linnaeus), in a small river. Journal of Fish Biology, 403: 469-470

Occurrence of Phytophthora species in irrigation water in the Nablus area (West Bank of Jordan). Phytopathologia Mediterranea 30(3): 143-150

Occurrence of Pneumocystis carinii organisms in a peritoneal effusion from a patient with the acquired immunodeficiency syndrome. Diagnostic Cytopathology 7(5): 540-542

Occurrence of Pratylenchus zeae Graham, 1951 on ginger Zingiber officinale (Rosc.) in Himachal Pradesh. Indian Journal of Nematology 19(1): 68

Occurrence of Procerum root disease caused by Leptographium procerum on white pine in Connecticut. Plant Disease 75(4): 431

Occurrence of Pseudococcus microcirculus McKenzie (Homoptera, Coccoidea) on greenhouse cultivated orchids. Informatore Fitopatologico 41(11): 59-61

Occurrence of Pseudomonas solanacearum race 1 in high hills, a new report from India. Journal of the Indian Potato Association 18(142): 106-107

Occurrence of Pseudomonas syringae pv. coronafaciens on oat in the State of Sao Paulo. Summa Phytopathologica 16(3-4): 285-288

Occurrence of Pseudomonas viridiflava in Actinidia deliciosa in Italy. Informatore Fitopatologico 40(6): 49-53

Occurrence of Psorophora howardii in Suffolk County, Long Island, New York. Journal of the American Mosquito Control Association 8(2): 197-197

Occurrence of Pythium blackleg of Geranium caused by Pythium aphanidermatum and P. splendens in Saitama Prefecture. Proceedings of the Kanto Tosan Plant Protection Society ( 38): 111-112

Occurrence of Ramularia leaf spot of sugarbeet in South Tokachi District. Proceedings of the Japanese Society of Sugar Beet Technologists ( 30): 85-88

Occurrence of S-triazine herbicides in milk and effect on quality of milk and milk products. Sbornik Vysoke Skoly Zemedeske v Praze, Fakulta Agronomicka Rada B, Zivocisna Vyroba ( 53): 133-139

Occurrence of Salmonella choleraesuis in wild boar (Sus scrofa). Tierarztliche Umschau 45(6): 411-412, 414

Occurrence of Sarasinula marginata (Mollusca: Soleolifera) in Belo Horizonte, MG, Brazil. Revista de Saude Publica 23(4): 345-346

Occurrence of Schistosoma mattheei-like eggs in a spinal cord lesion. Transactions of the Royal Society of Tropical Medicine and Hygiene 85(2): 230

Occurrence of Sclerocystis species in semi-arid soils of India. Proceedings of the Indian Academy of Sciences, Plant Sciences 100(4): 259-262

Occurrence of Selenaspidus articulatus (Morgan, 1889) in rubber (Hevea brasiliensis Muell. Arg.) plantations in Olimpia, Sao Paulo state. Biologico 54(1-6): 27-28

Occurrence of Sphaerotheca fuliginea (Schlecht ex. Fr.) Poll. on guar bean (Cyamopsis tetragonoloba L.) Taub. in and around Aligarh. National Academy Science Letters 13(7): 261-262

Occurrence of Staphylococcus aureus enterotoxins in buffalo udders. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol I: 37 (67)

Occurrence of Staphylococcus aureus in some Philippine foods and its enterotoxins in smoked fish (Sardinella longiceps C.V.). Transactions of the National Academy of Science and Technology 10: 431-436

Occurrence of Tetranychus kanzawai Kishida and its predators in an eggplant field sprayed with three synthetic pyrethroids. Japanese Journal of Applied Entomology and Zoology, 352: 153-159

Occurrence of Tetranychus urticae Koch on greengram (Vigna radiata). Indian Journal of Entomology 52(1): 158-159

Occurrence of Triatoma williami Galvao, Souza & Lima, 1965 in human dwellings in Fazenda Nova, Goias, Brazil. Anais da Sociedade Entomologica do Brasil 21(1): 267-268

Occurrence of Trichoderma species in apple orchard and woodland soils. Soil biology and biochemistry3(4): 353-359

Occurrence of Trypanosoma mega and Trypanosoma karyozeukton (Kinetoplastida, Trypanosomatidae) in anuran amphibians of West Bengal, India. Journal of Bengal Natural History Society 8(2): 5-13

Occurrence of Trypanosoma theileri, T. vivax in the gut and haemolymph of Rhipicephalus sulcatus (Newman, 1908) ticks and their possible epizootiological significance in Nigeria. Publication International Scientific Council for Trypanosomiasis Research and Control ( 144): 252-255

Occurrence of Tylenchulus semipenetrans and Meloidogyne incognita on persimmon in Brazil. Nematologia Brasileira 15(1): 82-84

Occurrence of Uromyces trifolii (DC) Lev. on Trifolium resupinatum L. Crop Research Hisar 3(2): 302-305

Occurrence of V. cholerae 0:1 non-toxigenic in wastewaters from Sao Paulo, Brazil. Water Science and Technology 24(2): 363-366

Occurrence of Verticillium wilt of alfalfa in southern Alberta, 1980-86. Canadian Plant Disease Survey 71(1): 21-27

Occurrence of Yersinia enterocolitica in ice cream in Assiut city. Assiut Veterinary Medical Journal 23(46): 106-109

Occurrence of Yersinia enterocolitica in pork products from northern Taiwan. Contributions to Microbiology and Immunology 12: 56-62

Occurrence of Yersinia spp. in foods in Brazil. International Journal of Food Microbiology 14(2): 179-182

Occurrence of a case of granulomatous encephalomyelitis in a Thoroughbred horse caused by nematodes. Arquivos do Instituto Biologico Sao Paulo 56: 63

Occurrence of a diopsid fly on rice in Nagaland, India. Bulletin of Entomology New Delhi 29(1): 143

Occurrence of a fungal disease on brown planthopper of rice. Journal of Biological Control 4(1): 67

Occurrence of a giant chromosome in variable number in a canine anaplastic carcinoma as a cytogenetic expression of tumour evolution. Wiener Tierarztliche Monatsschrift 77(7): 232-233

Occurrence of a glucosyltransferase specific for solanidine in potato plants. Phytochemistry (Oxford) 30(6): 1827-1832

Occurrence of a mosaic virus in guava. Pertanika 13(3): 357-360

Occurrence of a new variant 117-2 of Puccinia graminis f.sp. tritici in India. Indian Phytopathology 44(2): 234-235

Occurrence of a northern cicada, Okanagana rimosa (Homoptera: Cicadidae), in the southern Appalachians. Brimleyana, 5-7 No. 16

Occurrence of a respiratory apparatus in eggs of some mite species (Acarina). Polskie Pismo Entomologiczne 59(2): 311-318

Occurrence of a severe rust on jasmine (Jasminum auriculatum Vahl) by Uromyces hobsoni Vize in Andhra Pradesh. Journal of Research APAU 17(1): 76-78

Occurrence of a strain of bean rugose mosaic virus on soybean (Glycine max) in Central Brazil. JARQ, Japan Agricultural Research Quarterly 24(4): 260-264

Occurrence of a virus causing mosaic disease of carrot. Indian Journal of Virology 6(1-2): 64-68

Occurrence of abomasal displacement among dairy cows in Greece. Monatshefte fur Veterinarmedizin 47(1): 35-40

Occurrence of acanthocephalans in fishes of the open sea off the South Shetlands and South Georgia (Antarctic). Acta Parasitologica Polonica, 352: 131-141

Occurrence of acetylcholine-hydrolyzing activity at the stele-cortex interface. Plant Physiology 99(1): 130-133

Occurrence of acute diarrhea in atopic and nonatopic infants: the role of prolonged breast-feeding. Journal of Pediatric Gastroenterology and Nutrition 14(1): 27-33

Occurrence of aerobic bacteria in chicken diarrhoea and their in vitro drug sensitivity test. Cheiron 19(3): 127-130

Occurrence of aerobic spore formers in butter and ice cream. Cheiron 19(5): 199-204

Occurrence of aflatoxin and Aspergillus flavus in marketed wheat. Indian Phytopathology 41(1): 44-47

Occurrence of aflatoxin and Aspergillus flavus in stored paddy seeds. Environment and Ecology 8(1A): 122-126

Occurrence of aflatoxin and aflatoxigenic moulds in cotton seeds. Microbiologie, Aliments, Nutrition 10(2): 177-180

Occurrence of aflatoxins B1 and G1 in commercial groundnuts in Goiania - GO, Brazil. Revista de Microbiologia 22(4): 319-322

Occurrence of aflatoxins and aflatoxin-producing moulds in fresh and processed meat in Egypt. Food Additives and Contaminants 8(3): 321-331

Occurrence of aflatoxins in mixed feeds for poultry. Veterinarstvi 42(4): 142-143

Occurrence of aflatoxins in several groundnut cultivars infected with strains of Aspergillus flavus. Egyptian Journal of Phytopathology 1990; 20(2): 99-106

Occurrence of alates of the Neotropical ant, Paraponera clavata (Hymenoptera, Formicidae) at lights during the dry-wet seasons interface in Panama. Journal of Entomological Science 26(3): 375-377

Occurrence of an acute poisoning due to bitter lupins in a pig herd. Magyar Allatorvosok Lapja 46(9): 540-541

Occurrence of an aphid-transmissible sweet potato feathery mottle virus in Ontario, Canada . Plant Disease 75(4): 430

Occurrence of and interaction between Gremmeniella abietina and endophytic fungi in two conifers. Occurrence of and interaction between Gremmeniella abietina and endophytic fungi in two conifers: 61 + 69 pp.

Occurrence of and the varietal resistance against sugarcane mosaic. Journal of Fujian Agricultural College 18(4): 520-525

Occurrence of anemone (Anemone coronaria L.) foot rot disease. Bulletin of the Nara Agricultural Experiment Station ( 21): 44-45

Occurrence of angular leaf spot symptom on tobacco plants caused by non-toxin-forming mutant of wild fire pathogen, Pseudomonas syringae pv. tabaci in Korea. Korean Journal of Plant Pathology 6(1): 81-85

Occurrence of antibiotic-resistant enterobacteria in farmed carp. Untersuchungen uber das Vorkommen antibiotikaresistenter Enterobakteriazeen in Speisekarpfen Cyprinus carpio: 169 pp.

Occurrence of antibiotic-resistant strains of Aeromonas in farmed carp. Untersuchungen uber das Vorkommen antibiotikaresistenter Aeromonasstamme in Speisekarpfen Cyprinus carpio: 146 pp.

Occurrence of antibodies to Actinobacillus pleuropneumoniae in porcine serum. Frequency and distribution of serovars 2, 3, 7 and 9. Tierarztliche Umschau 45(6): 397-398, 400-402

Occurrence of antibodies to Borrelia burgdorferi in dogs of a small animal practice in northern Bavaria. Berliner und Munchener Tierarztliche Wochenschrift 104(11): 384-386

Occurrence of antibodies to Borrelia in dogs. Veterinarni Medicina 35(4): 251-256

Occurrence of antibodies to a morbillivirus of Baikal seals (Phoca sibirica) in the natural host. Voprosy Virusologii (6): 502-503

Occurrence of apple fruit moth (Argyresthia conjugella Zeller) in Lahaul Valley of Himachal Pradesh, India. Tropical Pest Management 37(2): 187

Occurrence of arsenic in seafoods from fast foods analyzed by X-ray fluorescence. Journal of food composition and analysis 4(4): 285-292

Occurrence of ascites abdominalis in dogs. Journal of Nutrition 121(11 Suppl): S159-S160

Occurrence of asparagus virus I and asparagus virus II on asparagus in Delaware. Plant Disease 75(10): 1075

Occurrence of autosomal monosomic female black rat from a radioactive area - a cytogenetic sport. Current Science 58(12): 706-707

Occurrence of barley rust (Puccinia hordei) in the years 1979 to 1989 on a collection of selected genotypes of spring barley. Sbornik UVTIZ, Genetika a Slechteni 26(3): 219-224

Occurrence of barley yellow dwarf virus in pastures of western France. Plant pathology 40(1): 93-99

Occurrence of barley yellow mosaic virus and barley mild mosaic virus in different barley genotypes growing in one and the same infested field. Archiv fur Phytopathologie und Pflanzenschutz 27(4): 259-266

Occurrence of barley yellow mosaic virus; strain III in two-rowed barley cultivar Misato Golden at Ogawa, Simodate city Ibaraki Prefecture. Proceedings of the Kanto Tosan Plant Protection Society ( 38): 35-36

Occurrence of benzoic acid in fermented milk products and cheese. Mitteilungen aus dem Gebiete der Lebensmitteluntersuchung und Hygiene 84(4): 484-493

Occurrence of biovar-1 of Agrobacterium tumefaciens on almond in India. Indian Phytopathology 41(4): 614-615

Occurrence of black leg and leaf spots on sugar beet cultivated in longstanding monoculture. Acta Academiae Agriculturae ac Technicae Olstenensis, Agricultura Edition ( 46): 155-163

Occurrence of black rot and white rot cankers on apple in Pennsylvania. Plant Disease 75(9): 968

Occurrence of blister beetles (Coleoptera: Meloidae) in Georgia alfalfa. Journal of Entomological Science, 244: 519-525

Occurrence of bots in a wild ass (Equinus hemionus pollas). Indian Veterinary Journal 67(12): 1171

Occurrence of bovine leukosis virus infection in Sao Paulo State. Brazilian Journal of Veterinary Research and Animal Science 28(1): 67-73

Occurrence of breadfruit rust, caused by Uredo artocarpi, in Hawaii. Plant Disease 75(9): 968

Occurrence of broad bean (Vicia faba L.) diseases in Olsztyn-Elblag and Bydgoszcz Provinces. Acta Agrobotanica 41(2): 245-255

Occurrence of brown wheat mite, Petrobia latens (Muller) on cumin in Rajasthan. Indian Cocoa, Arecanut and Spices Journal 13(4): 143

Occurrence of brucellosis in goats from Sao Paulo State. Arquivos do Instituto Biologico Sao Paulo 56(Supl.): 60

Occurrence of cadmium and lead in milk formulas, milk-cereal formulas and cereal products for infants and children up to 3 years of age. Roczniki Panstwowego Zakadu Higieny 42(2): 131-138

Occurrence of caprine arthritis-encephalitis in Mozambique. Tropical Animal Health and Production 21(4): 237-238

Occurrence of cereal leaf beetles (Oulema melanopus L. and O. lichenis Voet) and updating of the control threshold. Nachrichtenblatt Pflanzenschutz 44(10): 226-230

Occurrence of certain parasitic infections in apparently healthy rural cattle of Bangladesh. Bangladesh Veterinarian 5(2): 81

Occurrence of chickpea root rot disease in Rajasthan, India. International Chickpea Newsletter ( 22): 38-39

Occurrence of chlamydial abortion in cows in Niigata Prefecture. Journal of the Japan Veterinary Medical Association 43(6): 417-422

Occurrence of chlamydial abortion in pigs. Journal of the Japan Veterinary Medical Association 45(9): 655-659

Occurrence of cis-monoenoic fatty acids in two seed oils of Pittosporum (Pittosporaceae). Economic Botany 44(4): 529-530

Occurrence of clinical signs in lactating sows infected with porcine respiratory coronavirus. Monatshefte fur Veterinarmedizin 46(4): 128-133

Occurrence of club root disease on rapeseed mustard in West Bengal. Indian Journal of Mycological Research 27(1): 83-84

Occurrence of coconut leaf rot in relation to root (wilt) disease. Indian Coconut Journal Cochin 21(10): 14-18

Occurrence of complement-fixing antibodies against Chlamydia psittaci and Toxoplasma gondii in pigs in the individual counties of Austria. Wiener Tierarztliche Monatsschrift 77(9): 285-286, 288-290

Occurrence of components of fibrinolysis pathways in situ in neoplastic and nonneoplastic human breast tissue. Cancer Research 51(1): 354-358

Occurrence of contagious ecthyma (orf) in goats and sheep in West Java. Penyakit Hewan 23(41): 23-28

Occurrence of crown gall on pecan nut plants. Plant Disease Research 5(2): 216-217

Occurrence of cucumber green mottle mosaic virus disease of watermelon in Korea. Korean Journal of Plant Pathology 6(2): 250-255

Occurrence of cucumber mosaic virus in tomatoes. Revista do Setor de Ciencias Agrarias 10(1-2): 49-51

Occurrence of decay-associated xylem suberization in a range of woody species. European Journal of Forest Pathology 20(5): 275-289

Occurrence of diabetes mellitus after gestational diabetes mellitus in Trinidad. Diabetes Care 13(5): 527-529

Occurrence of dicarboximide-resistant isolates of Botrytis elliptica in Italy. Difesa delle Piante 12(3): 3-10

Occurrence of different folate forms in liquid milk products. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol I: 170

Occurrence of diseases in vegetables in 1991. Pflanzenschutz Wien ( 1): 2-3

Occurrence of dogwood borer and other selected species of clearwing borer in eastern and middle Tennessee. Tennessee Farm and Home Science ( 154): 4-9

Occurrence of ecotypes in Trichogramma chilonis Ishii (Trichogrammatidae: Hymenoptera). Journal of Entomological Research 15(4): 266-270

Occurrence of ectomycorrhizal and saprophytic discomycetes after a wild fire in a eucalypt forest. Mycological Research 94(8): 1065-1069

Occurrence of eight cyst nematodes on some agricultural crops in Pakistan. Karachi University Journal of Science 8(1 & 2): 103-108

Occurrence of entomopathogenic nematodes (Rhabditida: Steinernematidae and Heterorhabditidae) in British soils. Parasitology, 1002: 295-302

Occurrence of epizoic communities on the parasitic copepod Lernaea carassii (Lernaeidae). Southwestern Naturalist 35(2): 206-210

Occurrence of equine influenza in epidemic form in Northeast China. Virus Information Exchange Newsletter for South East Asia and the Western Pacific 6(3): 129

Occurrence of ethmoturbinate carcinoma in crossbred cows. Indian Veterinary Journal 67(7): 669-670

Occurrence of feline spumavirus among cats in Austria, in comparison with feline immunodeficiency virus infection. Kleintierpraxis 37(5): 307...318

Occurrence of fertile apothecia and the epidemiology of Pyrenopeziza brassicae Sutton & Rawlinson (anamorph: Cylindrosporium concentricum Grev.) in the German Democratic Republic. Bulletin SROP 14(6): 147-150

Occurrence of foot and mouth disease in the N.E. region of India, 1987. Virus Information Exchange Newsletter for South East Asia and the Western Pacific 5(3): 103

Occurrence of four different rotavirus electropherotypes and some other pathogens causing diarrhoea in pigs in Czechoslovakia. Veterinarstvi 42(4): 125-127

Occurrence of fragipan in a soil of Assam. Journal of the Indian Society of Soil Science 40(1): 227-228

Occurrence of friabilin, a low molecular weight protein associated with grain softness, on starch granules isolated from some wheats and related species. Journal of cereal science 15(2): 143-149

Occurrence of fumonisins B1 and B2 in corn-based products from the Swiss market. Journal of agricultural and food chemistry 40(8): 1352-1354

Occurrence of fungal diseases on the stem base of winter rye plants. Nachrichtenblatt Pflanzenschutz 44(7): 149-153

Occurrence of garlic latent virus (GLV) and onion yellow dwarf virus (OYDV) on seedless Welsh onions Bozushirazu in Chiba Prefecture, and influence of their infection on their yield. Bulletin of the Chiba Prefectural Agricultural Experiment Station ( 32): 9-17

Occurrence of gastro-intestinal nematodes of domestic ruminants in Oriximina, State of Para, Brazil. Arquivo Brasileiro de Medicina Veterinaria e Zootecnia 43(2): 189-191

Occurrence of gelatinous fibres in the mid vein of Quercus robur leaves. Holzforschung 43(1): 19-23

Occurrence of grapevine virus A (GVA) and other closteroviruses in Tunisian grapevines affected by leafroll disease. Vitis 29(1): 43-48

Occurrence of grassy shoot disease's pathogen (MLO) of sugarcane on Imperata arundinacea in India. National Academy Science Letters 13(11): 403

Occurrence of ground water in mine spoil, a renewable resource: Star Fire Tract, Eastern Kentucky. Proceedings of the Mining and Reclamation Conference and Exhibition (I): 171-179

Occurrence of haemolytic Treponema spp in Norwegian breeding herds. Proceedings, International Pig Veterinary Society, 11th Congress, July 1-5, 1990, Lausanne, Switzerland: 128

Occurrence of haploid cells bearing Y chromosomes in bovine embryos fertilized in vitro. Journal of Heredity 82(5): 420-421

Occurrence of heavy metals in organs and musculature of field hares in central and eastern Bohemia. Fleischwirtschaft 71(7): 825-829

Occurrence of heavy metals in water, phytoplankton and zooplankton of a mesotrophic lake in eastern Poland. Science of the Total Environment 96(1/2): 115-120

Occurrence of hereditary congenital arthromyodysplasia in calves of the Hessen cattle population. Deutsche Tierarztliche Wochenschrift 97(3): 117-122

Occurrence of hop aphid phagostimulants in the honeydew of aphids. Entomologia Experimentalis et Applicata 65(1): 49-55

Occurrence of human cryptosporidiosis in Leningrad. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 2): 45-48

Occurrence of hypersensitivity and induced resistance to TMV in tobacco plant-regenerants. Mikrobiologicheskii Zhurnal 53(3): 69-75

Occurrence of infections in children infected with human immunodeficiency virus. Pediatric Infectious Disease Journal 10(3): 190-193

Occurrence of insect pests in south-western Japan and measures for their control. Japan Pesticide Information ( 57): 3-7

Occurrence of insect-parasitic nematodes (Steinernematidae, Heterorhabditidae) in the Republic of Ireland. Nematologica, 371: 92-100

Occurrence of insects in coniferous roundwood imported to Sweden from France and Chile. Bulletin OEPP: 204: 591-596

Occurrence of insects in sunflower heads at determined times and flowering stages. Anais da Sociedade Entomologica do Brasil 19(2): 273-280

Occurrence of kala azar in urban Belo Horizonte, MG. Revista da Sociedade Brasileira de Medicina Tropical 23(2): 121

Occurrence of keratinophilic fungi on Indian birds. Folia Microbiologica 36(4): 383-386

Occurrence of keratinophilic fungi with special reference to Chrysosporium species in soils of India. Sydowia 42: 200-208

Occurrence of kidney infection in equines caused by Klossiella equi (Baumann, 1946). Arquivos do Instituto Biologico Sao Paulo 56(Supl.): 63

Occurrence of larger grain borer, Prostephanus truncatus (Horn) in Ghana. FAO Plant Protection Bulletin 37(3): 132

Occurrence of larger grain borer, Prostephanus truncatus, in Burkina Faso. FAO Plant Protection Bulletin 39(4): 182-183

Occurrence of larvae of Fannia flies in the prepupa of Hypoderma bovis. Parazitologiya 24(5): 417-419

Occurrence of leaf blight of basil caused by Pseudomonas syringae in Egypt. Assiut Journal of Agricultural Sciences 22(2): 91-109

Occurrence of leaf spot disease of sunflower caused by Alternaria helianthi in Korea. Korean Journal of Plant Pathology 5(4): 386-388

Occurrence of leafspot of mango in Karnataka. Current Research University of Agricultural Sciences Bangalore 18(12): 176-177

Occurrence of lettuce rust in Onoway, Alberta in 1989. Canadian Plant Disease Survey 71(1): 17-19

Occurrence of lipid A variants with 27-hydroxyoctacosanoic acid in lipopolysaccharides from members of the family Rhizobiaceae. Journal of Bacteriology 173(7): 2155-2159

Occurrence of luminous bacterial disease of Penaeus monodon larvae in the Philippines. Aquaculture, 911-2: 1-13

Occurrence of lung lesions and antibodies to serotypes 2 and 6 of Actinobacillus pleuropneumoniae and Haemophilus parasuis in 5176 slaughter weight pigs from 113 elite herds in Norway. Proceedings, International Pig Veterinary Society, 11th Congress, July 1-5, 1990, Lausanne, Switzerland: 31

Occurrence of lung worms, Dictyocaulus viviparus in cattle in association with hepatointestinal schistosomiasis at Parbhani (Maharashtra). Livestock Adviser 15(11): 30-31

Occurrence of lungworms in red deer under various types of management. Folia Venatoria ( 21): 37-50

Occurrence of lupeol in Calotropis procera latex. Current Science 58(6): 302-303

Occurrence of lysozyme in the eggs of coho salmon Oncorhynchus kisutch. Diseases of Aquatic Organisms, 101: 45-49

Occurrence of maize dwarf mosaic virus in maize. Pakistan Journal of Botany 22(2): 129-135

Occurrence of mammalian sex steroids in the free-living nematode, Turbatrix aceti. Comparative Biochemistry and Physiology A: 972: 115-117

Occurrence of mealybugs and their natural enemies on custard apple around Bangalore, S. India. Journal of Biological Control 3(1): 77

Occurrence of megabacterial infection (debilitating syndrome) in budgerigars and other aviary birds. Praktische Tierarzt 71(10): 24...30

Occurrence of mesopostnotal setae and scales in the family Culicidae. Mosquito Systematics, 222: 131-143

Occurrence of metastrongylosis in wild boar (Sus scrofa) in Slovakia. Folia Venatoria ( 21): 99-111

Occurrence of microaerophilic bacteria in the water and sediment of a grass carp culture pond. Aquaculture 103(2): 135-140

Occurrence of mite in the beds of cultivated mushroom. Current Research University of Agricultural Sciences Bangalore 17(9): 125

Occurrence of mixed populations of sexual and parthenogenetic females in the hard tick Haemaphysalis intermedia. National Academy Science Letters 14(5): 231-233

Occurrence of molluscs in aquaria of ornamental fishes in Belo Horizonte, Minas Gerais, Brazil. Memorias do Instituto Oswaldo Cruz 85(1): 127-129

Occurrence of monogeneans on freshwater fishes of Iran: Dactylogyridae from fish of natural waters and description of Dogelius mokhayeri sp. n. Parasitologia Hungarica ( 23): 27-32

Occurrence of multinucleate cambial initials in some tropical trees. Current Science 57(21): 1174-1175

Occurrence of multiple disorders in cats. Kleintierpraxis 37(6): 361...368

Occurrence of mycobacteria in drinking water samples. Zentralblatt für Hygiene und Umweltmedizin 192(2): 154-158

Occurrence of mycotoxigenic fungi and mycotoxins in animal feed from Bihar, India. Journal of the science of food and agriculture6(1): 39-47

Occurrence of mycotoxins in by-products for animal feeding. Zootecnica e Nutrizione Animale 16(2): 137-143

Occurrence of mycotoxins in foods and feeds. Mycotoxins and phytoalexins: 13-32

Occurrence of natural enemies of Musca domestica L. (Diptera: Muscidae) in poultry areas of Bastos, State of Sao Paulo, Brazil. Revista de Agricultura Piracicaba 64(1): 98

Occurrence of nematode-trapping fungi in the south of Minas Gerais State (Brazil) and in vitro studies of the predatory capacity and growth of some of their isolates. Nematologia Brasileira 15(2): 152-162

Occurrence of nematodes (Anisakis sp. larvae) in North Sea herring (Clupea harengus). Effect of commerical fish handling. Healthy animals safe foods healthy man Proceedings of the World Association of Veterinary Food Hygienists International Symposium, Stockholm, Sweden 2-7 July 1989: 333-339

Occurrence of nematodes of the genus Mastophorus in Siberian lemmings in Taimyr. Novye i Maloizvestnye Vidy Fauny Sibiri ( 19): 71-74

Occurrence of nitrates and nitrites in bread and in some other products obtained from flour. Roczniki Panstwowego Zakadu Higieny 41(3-4): 187-193

Occurrence of nitrosophenols in cured and smoked meat products. Fleischwirtschaft 70(10): 1194-1196, 1198

Occurrence of non-physiological cardiac hypertrophy in a racehorse. Arquivos do Instituto Biologico Sao Paulo 56(Supl.): 54

Occurrence of oak bacterial leaf scorch caused by Xylella fastidiosa in Kentucky. Plant Disease 75(8): 862

Occurrence of ochratoxin A in samples of liver and kidney from pigs slaughtered in Steiermark, Austria. Wiener Tierarztliche Monatsschrift 79(1): 31

Occurrence of ochratoxin A in slaughter pigs in Nordrhein- Westfalen, Germany. 32 Arbeitstagung des Arbeitsgebietes "Lebensmittelhygiene", 24 bis 27 September 1991, Garmisch Partenkirchen: 82-89

Occurrence of oospores of Plasmopara viticola, causal agent of vine mildew in the region of Serra Gaucha. Pesquisa em Andamento Centro Nacional de Pesquisa de Uva e Vinho ( 17): 3 pp.

Occurrence of organic pollutants in soil and plants after intensive sewage sludge application. Organic contaminants in waste water, sludge and sediment: occurrence, fate and disposal: 35-41

Occurrence of organochlorine contaminants in tissues of the coelacanth Latimeria chalumnae. Environmental Biology of Fishes 32.1-4: 361-367

Occurrence of ovarian cysts in cows of low fertility. Bulletin of the Veterinary Institute in Pulawy 34: 45-51

Occurrence of pap-, sfa-, and afa-related sequences among F165-positive Escherichia coli from diseased animals. FEMS microbiology letters Federation of European Microbiological Societies 82(2): 177-182

Occurrence of papaya ringspot (type W) virus in marrows in Colombo-PR. Revista do Setor de Ciencias Agrarias 10(1-2): 1-8

Occurrence of parasites in wild boar in Olsztyn Province in 1975-1990. Medycyna Weterynaryjna 48(4): 163-164

Occurrence of pathogenic bacteria in buffalo semen. Buffalo Journal 6(1): 93-98

Occurrence of pathogenic potyviruses of maize in Hungary. Novenytermeles 40(2): 105-110

Occurrence of pecky rice caused by releases of four species of rice bugs. Annual Report of the Society of Plant Protection of North Japan ( 41): 125-126

Occurrence of pepper ringspot virus in tomato cultivars. Revista do Setor de Ciencias Agrarias 10(1-2): 59-61

Occurrence of perfect stage of Erysiphe polygoni on pea. Indian Phytopathology 41(1): 57-58

Occurrence of perforating and non-perforating teat injuries in dairy cattle in Kenya. Bulletin of Animal Health and Production in Africa 39(3): 347-349

Occurrence of phosphate-solubilizing bacteria in the endorhizosphere of crop plants. Current Science 59(19): 933-934

Occurrence of phospho-enolpyruvate, pyruvate, lactate, glycerol-3-phosphate, lactose, L-malate, citrate, D-3-hydroxybutyrate, alpha -ketoglutarate and urea in milk of Haflinger mares. Vorkommen von Phospho enolpyruvat, Pyruvat, Laktat, Glycerin 3 Phosphat, Laktose, L Malat, Citrat, D 3 Hydroxybutyrat, Alpha Ketoglutarat und Harnstoff in der Milch von Haflingerstuten: 104 pp.

Occurrence of phosphorylating and non-phosphorylating NADP+-dependent glyceraldehyde-3-phosphate dehydrogenases in photosynthetic organisms. Plant Science Limerick 84(2): 163-170

Occurrence of physiologic races of Pyricularia oryzae in Gyeongnam Province during 1984-1989. Research Reports of the Rural Development Administration, Crop Protection 32(2): 1-7

Occurrence of phytopathogenic fungi on germinating seed of a sorghum hybrid, Sorghum bicolor (L.) Moench. Acta Agronomica, Universidad Nacional de Colombia 38(3-4): 77-84

Occurrence of pigeon pea powdery mildew in the hills of Garhwal Himalaya. International Pigeonpea Newsletter ( 12): 21-22

Occurrence of plant parasitic nematodes in peat soils in Poland. Roczniki Nauk Rolniczych, E Ochrona Roslin 17(2): 337-343

Occurrence of pollutants in the outer parts of the Bavarian Forest. Forstwissenschaftliches Centralblatt 109(5): 327-340

Occurrence of polychlorinated biphenyl residues in food and raw material of animal origin and in surface waters of south Moravia. Veterinarstvi 38(9): 411-412

Occurrence of potato cyst nematodes (Globodera rostochiensis and Globodera pallida) on Crete and suggestions for control. FAO Plant Protection Bulletin 37(2): 92-95

Occurrence of powdery mildew on prairie grass (Bromus willdenowii) cultivar Grasslands Matua. Plant Disease 74(10): 828

Occurrence of powdery mildew, rust and Ascochyta blight of pea in Sikkim. Plant Disease Research 5(1): 86

Occurrence of powdery mildews at Aligarh and its adjoining areas. Acta Botanica Indica 17(2): 267

Occurrence of proliferative kidney disease in an indoor recirculating unit and indirect experimental contamination of the rainbow trout. Bulletin of the European Association of Fish Pathologists 9(2): 38-41

Occurrence of protozoan infections in Calliptamus italicus L. (Orthoptera: Acrididae), Lobesia botrana Schiff. (Lepidoptera: Tortricidae) and Carpocapsa pomonella L. (Lepidoptera, Tortricidae) in Italy. Prace Naukowe Instytutu Ochrony Roslin 29(2): 43-46

Occurrence of ptelecultinium in Ptelea trifoliata L. Pharmazie 45(9): 698

Occurrence of pyrethroid resistance in pear psylla (Homoptera: Psyllidae) populations from southern Ontario. Journal of Economic Entomology 83(6): 2159-2163

Occurrence of race 'T' of Drechslera maydis (Nisikado) Subram. & Jain on maize in West Bengal. Indian Journal of Mycological Research 27(2): 165-167

Occurrence of resistance in rice pathogens to fungicides. Indian Journal of Mycology & Plant Pathology 21(1): 63-66

Occurrence of resistance in stored grain pests to pesticides in Pakistan. Pakistan Journal of Zoology 24(1): 79-82

Occurrence of respiratory disease in sheep. Veterinariya Moskva (12): 34-35

Occurrence of rinderpest in small wild ruminants. Indian Journal of Animal Sciences 61(11): 1176-1177

Occurrence of root rot in barley in an experimental site in northwest Syria and varietal differences in resistance of Cochliobolus sativus. Arab Journal of Plant Protection 9(2): 129-133

Occurrence of root-knot nematode Meloidogyne incognita as a pest of rubber (Hevea brasiliensis) seedlings. Indian Journal of Natural Rubber Research 4(1): 77-78

Occurrence of rotavirus antibodies in pig serum from Naples province. Acta Medica Veterinaria 37(4): 285-288

Occurrence of rust on black zira in Himachal Pradesh. Indian Journal of Mycology and Plant Pathology 20(3): 270

Occurrence of rust on florist geranium. Indian Phytopathology 43(3): 481

Occurrence of sarcosporidia among roe deer, red deer and mouflon in Lower Saxony. Untersuchungen zum Vorkommen von Sarkosporidien bei Reh , Rot und Muffelwild im Raum Niedersachsen: 141 pp.

Occurrence of severe leptospirosis in a breeding colony of squirrel monkeys. American Journal of Tropical Medicine and Hygiene 46(5): 538-545

Occurrence of sexual morphs of Russian wheat aphid, Diuraphis noxia (Homoptera: Aphididae), in several locations in the Soviet Union and the northwestern United States. Proceedings of the Entomological Society of Washington, 923: 544-547

Occurrence of sexual morphs of Therioaphis trifolii (Monell) f. maculata (Hemiptera: Aphididae) in the field. Journal of the Australian Entomological Society, 301: 95-96

Occurrence of sialic acids in Drosophila melanogaster. Science 256(5057): 673-675

Occurrence of silicon associated with lignin-polysaccharide complexes isolated from gramineae (wheat straw) cell walls. Food Hydrocolloids 5(1-2): 189-195

Occurrence of slimy rot disease on the stored potato tubers. Annals of the Phytopathological Society of Japan 56(5): 577-583

Occurrence of soldier fly, Hermetia illucens Lin. (Diptera: Stratiomyidae) in poultry at 1676 metre altitude in district Almora (Uttar Pradesh), India. Annals of Medical Entomology 1(1): 10-11

Occurrence of some cowpea diseases and the evaluation of resistance of selected cowpea lines to brown blotch disease in the forest ecology of Ghana. Tropical Grain Legume Bulletin ( 36): 7-9

Occurrence of some errors in conventional agrochemical tests and their causes. Zhejiang Agricultural Sciences ( 6): 268-270

Occurrence of some new insect pests on mango in India. Gujarat Agricultural University Research Journal 14(2): 103

Occurrence of some parasitic worms in birds of the orders Anseriformes and Lariformes in southern Moravia. Acta Universitatis Agriculturae, Facultas Agronomica 35(3-4): 113-117

Occurrence of sorghum cyst nematode, Heterodera sorghi in Maharashtra State. Indian Journal of Nematology( 1992); 20(1): 121

Occurrence of splayleg in piglets reared on floors of various degree of adhesion. Medycyna Weterynaryjna 48(1): 24-26

Occurrence of staphylococcal species in clinically healthy farm animals. Veterinarni Medicina 36(1): 9-19

Occurrence of storied arrangement of rays in Aesculus and the periodical analysis by Fourier transformation. IAWA Bulletin 10(3): 337

Occurrence of strawberry mild yellow-edge associated virus in wild Fragaria chiloensis in South America. Acta Horticulturae ( 308): 57-59

Occurrence of sugarcane bacilliform virus in Mauritius. Proceedings of the Annual Congress South African Sugar Technologists' Association ( 64): 34-39

Occurrence of surface wetness periods on plants in the State of Parana. Informe da Pesquisa Instituto Agronomico do Parana ( 90): 16 pp.

Occurrence of sweetpotato chlorotic distortion (Fusarium lateritium) in North Carolina. Plant Disease 75(7): 750

Occurrence of swine erysipelas and serotypes and antimicrobial susceptibility of Erysipelothrix rhusiopathiae isolates from pigs slaughtered at Osaka City Meat Inspection Centre from 1972 to 1989. Journal of the Japan Veterinary Medical Association 44(8): 845-850

Occurrence of tapeworm (Anoplocephala magna) infection in a horse. Centaur Mylapore 7(4): 105-106

Occurrence of tea gray blight and tea shoot blight caused by Pestalotia longiseta Spegazzini and their control. Recent development in tea production Proceedings of the International Symposium held at Taiwan Tea Experiment Station, February 29 March 5, 1988: 181-195

Occurrence of tetanus in a Thoroughbred horse. Arquivos do Instituto Biologico Sao Paulo 56(Supl.): 72

Occurrence of tetrathyridia of Mesocestoides sp. (Cestoidea: Cyclophyllidea) in North American anurans (Amphibia). Journal of Wildlife Diseases 26(4): 540-543

Occurrence of the Asuperscript 2 mating type of Phytophthora infestans in potato fields in the United States and Canada. American Potato Journal 68(11): 717-725

Occurrence of the adenomatosis complex on three large pig farms. Tierarztliche Umschau 45(11): 795-797

Occurrence of the beet leafhopper-transmitted virescence agent in red and daikon radish seed plants in Washington State. Plant Disease 75(7): 751

Occurrence of the black vine thrips, Retithrips syriacus Mayet, on avocado in Israel and trials to control the pest by insecticides of plant origin. Alon Hanotea 46(8): 523-529

Occurrence of the digenean Cryptocotyle lingua in farmed Arctic charr Salvelinus alpinus and periwinkles Littorina littorea sampled close to charr farms in northern Norway. Diseases of Aquatic Organisms, 121: 59-65

Occurrence of the equid lung worm Dictyocaulus arnfieldi (Cobbold, 1884) Railliet and Henry, 1907 in Iraq. Iraqi Journal of Veterinary Sciences 1(1-2): 141-143

Occurrence of the horn fly, Haematobia irritans (L., 1758) (Diptera, Muscidae) in Goias State, Brazil. Arquivos de Biologia e Tecnologia 33(4): 863-864

Occurrence of the lungworms Capillaria and Crenosoma spp. in British hedgehogs (Erinaceus europaeus). Journal of Comparative Pathology, 1001: 27-36

Occurrence of the nematode Bursaphelenchus mucronatus Mamiya & Enda 1979 (Nematoda: Aphelenchoididae) in Finland. Silva Fennica 23(4): 271-277

Occurrence of the neurological form of equine herpesvirus 1 infection (equine rhinopneumonitis) in a stable. Pferdeheilkunde 8(4): 225-229

Occurrence of the predatory wasp, Dasyproctus agilis (F. Smith) as a pest of pearl millet. Indian Journal of Entomology 52(1): 155-157

Occurrence of the protozoans, Lankesterella hylae and Haemogregarina sp., in the blood of the green tree frog, Litoria caerulea. Memoirs of the Queensland Museum, 272: 267-274

Occurrence of the tick Ixodes ricinus (L.) under the conditions of anthropopressure. Folia Parasitologica 37(2): 183-186

Occurrence of the toxic principle, prunasin, in the leaves of Holocalyx glaziovii Taub. Arquivos do Instituto Biologico Sao Paulo 56(1-2): 31-37

Occurrence of the very rare carotenoid triphasiaxanthin in leaves of two cycads. Biochemical Systematics & Ecology 18(5): 317-320

Occurrence of three forms of glycogen phosphorylase and flight-induced activation in fat body of the American cockroach, Periplaneta americana. Comparative Biochemistry and Physiology B, Comparative Biochemistry 94(1): 165-169

Occurrence of thrips on adzuki bean. Bulletin of Hokkaido Prefectural Agricultural Experiment Stations ( 61): 1-6

Occurrence of tobacco mosaic virus in tomatoes in Curitiba metropolitan region. Revista do Setor de Ciencias Agrarias 10(1-2): 21-22

Occurrence of tomato lethal necrosis in Emilia-Romagna. Informatore Fitopatologico 40(12): 59-61

Occurrence of tomato spotted wilt virus in marrows in Colombo-PR. Revista do Setor de Ciencias Agrarias 10(1-2): 171-173

Occurrence of toxigenic isolates and mycotoxins of Alternaria alternata in black mould tomatoes and peppers. Difesa delle Piante 12(1-2): 163-168

Occurrence of trichodorid species (Nematoda: Trichodoridae) in China. Journal of Nanjing Agricultural University 13(2): 50-54

Occurrence of Two Pathways for Malate Oxidation in Bacteroids Isolated from Sesbania rostrata Stem Nodules during C(2)H(2) Reduction. Plant Physiology 94(3): 1002-1008

Occurrence of two skrjabillanid nematodes, Sinoichthyonema amuri and Skrjabillanus schigini in grasscarp (Ctenopharyngodon idella) in Hungary. Parasitologia Hungarica, 22: 63-66

Occurrence of vesicular-arbuscular mycorrhiza of Casuarina equisetifolia L. Current Science 59(8): 422-423

Occurrence of vesicular-arbuscular mycorrhizae in agro and natural ecosystems in Minas Gerais state. Pesquisa Agropecuaria Brasileira 24(12): 1499-1506

Occurrence of viral haemorrhagic disease among wild rabbits and hares in Lower Saxony, Germany. Untersuchungen uber das Vorkommen der Rabbit Viral Haemorrhagic Disease bei Wildkaninchen Oryctolagus cuniculus und Feldhasen Lepus europaeus Pallas in Nidersachsen: 84 pp.

Occurrence of virulence factors in Escherichia coli strains causing oedema disease and diarrhoea in pigs after weaning. Veterinarstvi 41(9-10): 207-212

Occurrence of virulent biotype of race 11 of Puccinia graminis tritici from variety Coorong (Sr 27) in India having virulence against Sr 25 gene. Cereal Rusts and Powdery Mildews Bulletin 19(1): 27-32

Occurrence of visceral leishmaniasis in urban Belo Horizonte, MG. Revista da Sociedade Brasileira de Medicina Tropicalrecd 1991; 23(2): 121

Occurrence of volunteer rice plants in a combine harvested paddy field. Korean Journal of Crop Science 36(4): 305-309

Occurrence of wattle disease due to Pasteurella multocida on a broiler breeder farm in Austria. Archiv fur Geflugelkunde 55(6): 261-265

Occurrence of web blight of groundnut in Bihar. Indian Phytopathology 44(2): 244-246

Occurrence of wheat stem maggot, Meromyza americana (Diptera: Chloropidae), in weeping lovegrass seed fields in Oklahoma. Journal of the Kansas Entomological Society, 624: 601

Occurrence of witches' broom disease of potato in Uttar Pradesh. Farm Science Journal 4(1-2): 130-131

Occurrence of xanthommatin containing pigment granules in the epidermal cells of the silkworm, Bombyx mori. Insect biochemistry0(8): 785-792

Occurrence pattern and host alternation of Trichogramma dendrolimi (Hym.: Trichogrammatidae) in Changbai Mountain Area. Chinese Journal of Biological Control 6(4): 186-186

Occurrence, accumulation and fate of coumestrol in lucerne and in feed products containing it. Recueil de Medecine Veterinaire 166(5): 463-469

Occurrence, distributions and transport of herbicides and their degradation products in the lower Mississippi River and its tributaries. Environmental Science and Technology 24(9): 1400-1406

Occurrence, epidemiology, importance and possibilities of control of Cylindrosporium concentricum Grev. (teleomorph: Pyrenopeziza brassicae Sutton et Rawlinson) in winter rape. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 44(5): 109-113

Occurrence, frequency and significance of training failures among Thoroughbred horses. Pferdeheilkunde 7(5): 275-277, 280-283

Occurrence, handling and chromatographic determination of pesticides in the aquatic environment. Analyst 116(7): 681-689

Occurrence, host resistance and chemical control of the pea cyst nematode on soyabeans in Jiangsu Province. Jiangsu Agricultural Sciences ( 6): 24-25

Occurrence, importance and management of Norway spruce in the German Democratic Republic. Forstwissenschaftliches Centralblatt 109(2-3): 138-151

Occurrence, losses and control of important cereal and food legume diseases in West Asia and North Africa. Tropical Agriculture Research Series ( 22): 131-140

Occurrence, numbers, and growth of Listeria monocytogenes on some vacuum-packaged processed meats. Journal of food protection 55(1): 4-7

Occurrence, type, and location of calcium oxalate crystals in leaves and stems of 16 species of poisonous plants. American journal of botany 78(12): 1608-1616

Occurrences of garlic latent virus on garlic cv. Fukuchi howaito in Aomori Prefecture. Annual Report of the Society of Plant Protection of North Japan ( 41): 72-74

Ocean margin processes in global change. Ocean margin processes in global change: xvi + 469 pp.

Ocean productivity and climate change. Trends in Ecology & Evolution 5(9): 299-303

Oceanopolis. Leisure Management 12(7): 26-28

Ochetosoma aniarum (Leidy, 1891) Skrjabin and Antipin, 1957 (Trematoda: Plagiorchiidae) in Nerodia cyclopion (Dumeril, Bibron and Dumeril, 1854). Transactions of the Illinois State Academy of Science 84(3&4): 145-149

Ochetosomatid digeneans from Illinois snakes. Transactions of the Illinois State Academy of Science, 823-4: 159-161

Ochnabianthrone: a trans-9,9'-bianthrone from Ochna pulchra. Phytochemistry 29(12): 3974-3976

Ochratoxin A in cereals 1986-1989. Publikation Levnedsmiddelstyrelsen ( 199): 50 pp.

Ochratoxin A in retail beans in Sao Paulo State and its stability after cooking. Revista do Instituto Adolfo Lutz 49(2): 133-135

Ochratoxin A residues in Styrian slaughter pigs. Tierarztliche Umschau 46(11): 657-660

Oconee, Houma and Osage: new pecan cultivars. 80th Annual report Northern Nut Growers' Association: 1990; 117-123

Oconnoriidae, a new family of feather mites (Acarina, Pterolichoidea). Journal of Entomological Science, 244: 417-421