刘永;汪小月;邱立红;李学锋;王成菊;

• 1:中国农业大学理学院应用化学系农业部农药化学及使用技术重点实验室

摘要(Abstract)：

为了研究7种拟除虫菊酯农药对美国大盐湖卤虫(GSL Artemia)的急性毒性效应,挑选18~24 h内孵出的卤虫,继续培养24 h后得到Ⅱ~Ⅲ龄卤虫无节幼体,将其暴露于所设浓度梯度的拟除虫菊酯溶液中进行24 h急性毒性实验,记录卤虫无节幼体在各浓度溶液中的死亡情况,并将所得数据进行Probit分析。结果表明,卤虫对不同拟除虫菊酯的敏感性相差较大。氯菊酯、氯烯炔菊酯、炔咪菊酯、胺菊酯、联苯菊酯、高效氯氟氰菊酯和溴氰菊酯对卤虫的24 h半致死浓度(24 h-LC50)分别为4.68、14.82、18.12、38.21、>100、>100和>100 mg.L-1。因此,在含有卤虫的盐水环境中,应尽量避免使用毒性较高的氯菊酯,而选择使用联苯菊酯、高效氯氟氰菊酯和溴氰菊酯等毒性较低的农药。

关键词(KeyWords)： 卤虫;拟除虫菊酯;农药

Abstract:

Keywords:

基金项目(Foundation): 公益性行业(农业)科研专项(No.20090354-02)

作者(Author): 刘永;汪小月;邱立红;李学锋;王成菊;

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DOI:

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