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The resistance of certain cotton pests to organic insecticides in the Canete Valley

, : The resistance of certain cotton pests to organic insecticides in the Canete Valley. Rev. peruana Ent. agric, Lima, 1: 1, 47-51

The following is based on the author's summary. Chlorinated-hydrocarbon insecticides, which had proved effective against pests of cotton in the Canete Valley of Peru since 1947, gave less satisfactory results in 1952, when dusts of gamma BHCs at 0.45 1b. per acre gave only 28 per cent. control of Aphis gossypii Glov., whereas 0.28 1b. formerly gave up to 96.5 per cent.


Other references

Zawati, M'n.H.; Rioux, Aélie., 2012: Biobanks and the return of research results: out with the old and in with the new?. This article examines the complex and contemporary issue of the return of research results in biobanks. After suggesting the exclusion of some adjacent issues usually flanking the debate, this article reviews the current practices of biobanks on t...

Sewell G.J.; Palmer A.J., 1991: The chemical and physical stability of three intravenous infusions subjected to frozen storage and microwave thawing. This study is concerned with the physical and chemical stability of erythromycin, fusidic acid and methylprednisolone infusions when subjected to frozen storage and microwave thawing. Stability-indicating HPLC assays were developed for the active...

Sanchez-Velasco, P.; De-Diego, J.E.cribano; Paz-Miguel, J.E.; Ocejo-Vinyals, G.; Leyva-Cobian, F., 1999: HLA-DR, DQ nucleotide sequence polymorphisms in the Pasiegos (Pas valleys, Northern Spain) and comparison of the allelic and haplotypic frequencies with those of other European populations. In general, Northern Spain has remained geographically isolated from neighboring Spanish regions for centuries: steep mountains create small isolated and inbred population groups with their own characteristic cultures and unique gene pools. The Pa...

Meyer V.A.; Nakhabtsev V.S., 1965: Results of experimental use of x-ray radiometric logging in central kazakhstan. Leningrad univ

Huang, R.; Nie, W.; Cheng, X.; Xia, M.; Xiao, R., 2011: Treating superficial hemangioma in children according to local blood flow. To treat superficial hemangioma in children according to the local blood flow. A total of 98 children with superficial hemangiomas admitted to our hospital from January 2005 to June 2009, and their clinical data were analyzed. According to the loc...

Howie, M., 2005: Cargill puts emphasis on expansion strategy. Feedstuffs 11 77(15): 20-21

Anonymous, 1968: Proceedings of the VIIth International Congress of Psychotherapy. II. Community Psychiatry Therapeutic Community. PsychoTherapy and Psychosomatics 16(1): 1-188

Sissenwine M.P., 1978: Is maximum sustained yield an adequate foundation for optimum yield. Fisheries (Bethesda) 3(6): 22-42

Lee, P., 2002: Is partnership in A&E feasible?. Partnership in care is frequently discussed within the discipline of children's nursing. There have been few definitions as to its meaning and therefore how it should be applied within the different specialties of children's nursing. Thi...

Ermakov, E.V.; Barskiĭ, R.L.; Ostapenko, G.P.; Isakova, T.I.; Zhmurov, V.I., 1979: Clinical picture and treatment of acute pneumonias during the 1977--1978 influenza outbreak. Terapevticheskii Arkhiv 51(2): 9-12