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Impacts of transgenic cry 1Ab rice on two collembolan species and predation of Microvelia horvathi ( Hemiptera : Veliidae)
Author(s): 
Pages: 42-47
Year: Issue:  1
Journal: ACTA ENTOMOLOGICA SINICA

Keyword:  Bt水稻灰橄榄长角跳虫尖钩宽黾蝽捕食功能反应;
Abstract: 转Bt基因水稻KMD1、KMD2和对照水稻xS11稻田主要有两种弹尾虫:灰橄榄长角跳虫Entomobrya griseoolivata(Packard)和钩圆跳虫Bourletiella christianseni Banks.两种Bt稻田中灰橄榄长角跳虫种群密度均显著高于对照XS11稻田;在以KMD1和KMD2腐烂茎叶为食的灰橄榄长角跳虫成虫中检测到微量Cry1Ab杀虫蛋白.室内测定结果表明,不管是单头捕食还是多头协同捕食,尖钩宽黾蝽Microvelia horvathi Lundblad成虫对用3种供试水稻残体饲养的灰橄榄长角跳虫的捕食量和功能反应均符合HollingⅡ型方程,其日捕食量、瞬时攻击率(a)和处理时间(Th)均无显著差异.
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