赵旭;叶幸;张燕;宋伟华;姜辉;瞿唯钢;

• 1:农业部农药检定所

摘要(Abstract)：

苏云金芽孢杆菌、球孢白僵菌以及棉铃虫核型多角体病毒是细菌类、真菌类和病毒类微生物农药的典型代表。为了明确微生物农药对家蚕的毒性影响,选取以上3种典型微生物农药,分别探究其对家蚕的毒性。结果显示:苏云金杆菌原药对家蚕LC50值为1.33×105CFU·m L-1;球孢白僵菌原药对家蚕LC50值为1.14×106CFU·m L-1;棉铃虫核型多角体病毒母药对家蚕LC50值大于1.00×108PIB·m L-1。与此同时,通过进一步试验,明确了以上3种微生物农药对家蚕结茧率、死笼率、全茧量、茧层量等关键指标的影响。结果显示:除了棉铃虫核型多角体病毒母药,高浓度苏云金杆菌原药、球孢白僵菌原药对家蚕的结茧率和死笼率均具有显著影响;3种微生物农药对家蚕产茧能力指标全茧量、茧层量以及蛹重均无显著性影响。

关键词(KeyWords)： 微生物农药;家蚕;毒性

Abstract:

Keywords:

基金项目(Foundation): 农业部以《农业部办公厅关于下达2016年农业行业标准制订和修订及农产品质量认证项目的通知》(农办质[2016]28号)下达的《微生物农药环境风险评价试验准则家蚕毒性试验》制定项目

作者(Author): 赵旭;叶幸;张燕;宋伟华;姜辉;瞿唯钢;

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