Effect of Aminopterin on Oogenesis of the Silkworm, Bombyx mori L. (Lepidoptera : Bombycidae)

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概要

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• Aminopterin at the concentration of 50 μg had no effect on oviposition of the female silkworm when injected in the fifth larval instar, but their fecundity and fertility decreased when treated after the spinning age. The most drastic effect was shown at the beginning of the pupal age. However, if injected at a later period, the fecundity and fertility increased again. Effectiveness of the antimetabolite varied with races. In histopathological detection of treated ovaries, the oocyte with follicle cells which were just differentiating and arranging in a line around the egg chamber (the beginning of vitellogenesis) showed severe damage, and degeneration occurred both in the nurse and follicle cells concurrently. On the other hand, when injected at about pupation time a change of voltinism was observed.

• 日本応用動物昆虫学会の論文
• 1969-09-25

著者

• Sugai Etsuji

  Faculty Of Agriculture Tokyo University Of Agriculture & Technology

• Uchino Toshio

  Faculty Of Agriculture Tokyo University Of Agriculture And Technology

関連論文

• Male Sterility in the Triploid Silkworm, Bombyx mori L. : Lepidoptera : Bombycidae
• 放射線によるカイコの継代不妊〔英文〕
• Apholateによって誘発された家蚕の雄性不妊に関する研究〔英文〕
• Embryonic Mortality in the Progeny of the Male Silkworm, Bombyx mori L., Orally Administered Apholate in the Larval Stage (Lepidoptera : Bombycidae)
• Embryonic Death in Progeny of Male Silkworms Treated with Apholate : Difference in Treatment at Different Stages, and in Temperatures after Treatment : Lepidoptera : Bombycidae
• Effect of Aminopterin on Oogenesis of the Silkworm, Bombyx mori L. (Lepidoptera : Bombycidae)
• Male Sterility in the Silkworm, Bombyx mori L., Induced by Aminopterin (Lepidoptera : Bombycidae)

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