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Retention of eggs in virgin females of Dacus oleae

, : Retention of eggs in virgin females of Dacus oleae. Mededelingen Fakulteit Landbouwwetenschappen Gent 38: 1121-1125

Oogenesis in virgin females of Dacus oleae (Gmel.) and in those that had paired was studied in the laboratory in Greece in connection with studies on the effects on the females of mating with males that had not only had their sperms inactivated but had also lost some of their sexual vigour through artificial sterilisation. Virgin and mated females were kept with artificial fruits and dissected after 22 or 70 days of adult life.


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Hauser, H.D.; Berg, V.S., 1988: Effect of repeated acid exposures on cuticle permeability. This is an abstract of a paper given at the 100th session of the Iowa Academy of Science at Iowa State University in Apr. 1988. The permeability of isolated pear leaf cuticles was determined by placing the cuticle between drops of deionized water...

Toge, T., 1996: Progress of adjuvant chemotherapy in colon cancer. There have been no life-prolonging effects of surgical adjuvant chemotherapy with 5-FU alone or in combination with chemotherapeutic drugs, so surgical resection has been considered a standard therapy for colorectal cancer. Recently, clinical tria...

Gavrilescu, M.; Tudose, R.Z., 1998: Concentric-tube airlift bioreactors: Part I. Effects of geometry on gas holdup. Gas holdup investigations were performed in three concentric-tube airlift reactors of different scales of operation (RIMP: 0.070 m3; RIS-1: 2.5 m3; RIS-2: 5.2 m3; nominal volumes). The influences of the top and bottom clearances and the flow resis...

Bosch, D.; Johnson, C., 1992: Risk-management strategies for a representative Virginia dairy farm. Publication collection: (448-208)

Milohnic, J., 1976: Heterosis and utilization of hybrids in wheat production. The literature on this topic is reviewed, with particular reference to the development of techniques for the practical utilization of cytoplasmic male sterility in the production of hybrid seed and the need for continued international cooperation...

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Ruiz-Esquide, F.; Díaz, Mía.Cristina.; Wu, E.; Silva, Víctor., 2002: Verrucous endocarditis secondary to Saccharomyces cerevisiae. A case report. We report a preterm infant with 30 weeks of gestation, that received broad spectrum antimicrobials during the first days of life. At nine days of life, the infant appeared with abdominal distension and hematochezia. A systolic murmur with changing...