Effects of transgenic Bt maize pollen on longevity and fecundity of Trichogramma ostriniae in laboratory conditions

文献类型： 外文期刊

第一作者： Wu, Yan

作者： Wu, Yan;He, Kang-Lai;Bai, Shu-Xiong

作者机构：

关键词： Bt maize pollen;Cry 1 Ab;Trichogramma ostriniae;longevity;fecundity;sex ratio

期刊名称：BULLETIN OF INSECTOLOGY （ 影响因子：1.711； 五年影响因子：1.756 ）

ISSN： 1721-8861

年卷期： 2007 年 60 卷 1 期

页码：

收录情况： SCI

摘要： The effects of transgenic Bt maize pollen expressing the Cry 1 Ab protein of Bacillus thuringiensis (Berliner) as a food source on Trichogramma ostriniae Pang et Chen (Hymenoptera Trichogrammatidae) were examined in laboratory by studying longevity, progeny production and offspring sex ratio. Females fed on suspension of pollen of Bt maize or non-Bt maize in water lived significantly longer than those fed on water alone. However, the longevity of females fed on 10% honey alone was similar to those fed on suspension of pollen of Bt maize or non-Bt maize in 10% honey. T. ostriniae females fed on suspension of pollen of Bt maize or non-Bt maize in water produced significantly more progeny than those fed on water alone. The number of parasitised host eggs and number of offspring emerged by T. ostriniae females fed on 10% honey was not significantly different to those fed on 10% honey suspension of pollen of Bt maize or non-Bt maize. No significant differences in longevity, number of parasitised eggs, offspring emerged and the offspring sex ratio were observed between the females feeding on pollen of Bt maize and non-Bt maize, this was shown in experiments with suspension of 10% honey and with water. Maize pollen in water increased the reproduction and survival of T. ostriniae females compared to water alone. Bt maize pollen did not adversely affect T. ostriniae.

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