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微生物杀虫剂甲维盐对玉米象成虫的防治效果研究
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Effect of microbial pesticide emamectin benzoate on maize weevil
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    摘要:

    采用滤纸药膜法和拌粮法,分别测试微生物杀虫剂甲维盐对玉米象成虫的触杀作用和种群抑制作用。实验结果表明,甲维盐对玉米象成虫具有一定的触杀作用和很强的种群抑制作用。其触杀作用随着时间延长和浓度增加而显著增强,经16 μg/cm2浓度处理72 h后,校正死亡率为40.0%;其子代种群抑制作用效果大于当代种群抑制作用,16 mg/kg甲维盐对玉米象当代种群抑制率为95%,4 mg/kg甲维盐对玉米象子代种群抑制率为100%。为微生物杀虫剂甲维盐在储粮害虫生物防治方面的合理应用提供了基本依据。

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    The contact action and the population inhibition against maize weevil imago with microbial pesticide emamectin benzoate by pesticide membrane method and mix round method was tested. The results showed that emamectin benzoate possesses a certain contact action and very strong population inhibition against maize weevil imago. The contact action significantly increased with the extending of time and the treatment concentration. The corrected percentage mortality was 40% after treatment by emamectin benzoate with the concentration of 16 μg/cm2 for 72 h. The inhibition of offspring population was better than that of contemporary. The inhibition of contemporary population of maize weevil treated by 16 mg/kg emamectin benzoate was 95%. The inhibition of offspring population of maize weevil treated by 4 mg/kg emamectin benzoate was 100%. The results provided the basis for reasonable application of microbial pesticide emamectin benzoate in biological control of pests in stored grain areas.

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张晓燕,覃世民,邓树华,吴树会,陈志军.微生物杀虫剂甲维盐对玉米象成虫的防治效果研究[J].粮油食品科技,2014,22(6):115-117.

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  • 在线发布日期: 2014-12-29
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