交配对扶桑绵粉蚧雌虫发育及产卵的影响
Acta Agriculturae Zhejiangensis(2015)
Abstract
为研究交配对扶桑绵粉蚧雌虫发育及产卵的影响,比较了不同交配条件下扶桑绵粉蚧雌虫的寿命、产卵习性和产卵量。结果表明,交配对扶桑绵粉蚧雌虫的卵巢发育和产卵有促进作用。与延迟交配的扶桑绵粉蚧相比,正常交配的扶桑绵粉蚧雌虫卵巢内总产卵量、孕卵期、产卵期和首次产卵量均显著提高;而未经交配的雌虫体内的卵细胞不能受精。延迟交配的雌虫可以通过对营养的重新分配延长自身寿命,一旦发生交配,体内生理发生重导向可再次产卵,产卵量显著低于正常交配雌虫。
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