Water Absorption by Diapause and Nondiapause Eggs in Two Velanfictorus Species (Orthoptera: Gryllidae)
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概要
- 論文の詳細を見る
The absorption of water occurs one third of the way through embryonic development both in the cricket, Velarifictorus micado (SAUSSURE) which has egg diapause and its sibling species, V. sp. which has nymphal diapause. Less water was absorbed by diapause eggs of V. micado than by nondiapause eggs of V. sp. Anoxia by CO_2 at different embryonic stages showed stage-specific requirements of oxygen for water absorption; the earlier the anoxia was imposed, the later the water absorption occurred. The absorption of water is probably controlled by genotype but not by the chorional structure or cytoplasmic maternal factor, since frozen and thawed eggs of V. sp. lost weight more rapidly than those of V. micado and those of their hybrid lost water at an intermediate rate between the two.
- 日本応用動物昆虫学会の論文
- 1996-02-25
著者
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Takeda Makio
Laboratory Of Entomology Faculty Of Agrieulture Kobe University
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NIIKAWA Kazuya
Laboratory of Insect Science, Faculty of Agriculture, Kobe University
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Niikawa K
Laboratory Of Insect Science Faculty Of Agriculture Kobe University:zen-nou Sapporo Branch
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Niikawa Kazuya
Laboratory Of Insect Science Faculty Of Agriculture Kobe University
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