Function of quiescence of Tetranychus kanzawai(Acari:Tetranychidae), as a defense mechanism against rain
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概要
- 論文の詳細を見る
We compared the mortality of quiescent female deutonymphs and adult females of the kanzawa spider mite, Tetranychus kanzawai, on leaf-discs that received simulated rain. The mortality of adult females was significantly higher than that of quiescent nymphs under the simulated rain. This may be due to a difference in water tolerance between the two stages, because the mortality rate did not differ in the absence of the simulated rain. The quiescent period was extended under increased moisture caused by the rain, and the quiescent deutonymphs emerged in response to a decrease in moisture. This plasticity in development seemed to ensure their molting safely after rainfall. The presence of both active and quiescent stages in the life cycle may function as a bet-hedging strategy against unpredictable rain.
- 日本応用動物昆虫学会の論文
- 2000-08-25
著者
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Takabayashi J
Crest Of Jst (japan Science And Technology Cooperation):center For Ecological Research Kyoto Univers
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Takabayashi Junji
Laboratory Of Ecological Information And Laboratory Of Insect Ecology Graduate School Of Agriculture
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Yano S
Laboratory Of Ecological Information Graduate School Of Agriculture Kyoto University
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Yano Shuichi
Kyoto Univ. Kyoto Jpn
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Yano Shuichi
Laboratory Of Ecological Information And Laboratory Of Insect Ecology Graduate School Of Agriculture
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Yano S
Shimane Medical Univ. Izumo Jpn
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Sato Y
Kyoto College Of Medical Technology
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Ikegami Yoko
Tetranychus kanzawai
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Yano Shuichi
quiescent deutonymph
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Takabayashi Junji
rain
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Takafuji Akio
bet-hedging
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Takabayashi J
Center For Ecological Research Kyoto University
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Sato Y
Japan Meteorological Agency Tsukuba Jpn
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