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拟除虫

拟除虫

拟除虫

拟除虫

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Obiective Test the relationship between the heating time of electrothermal vaporizing liquid and the residues of pyrethroid in mandril .

目的测试电热蚊香液加热时间与芯棒中拟除虫菊酯残留量的关系。

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Conclusion The mechanism for mutations resulting in the knockdown resistance of A. sinensis in Anhui Province has been determined.

结论安徽省中华按蚊已发生针对拟除虫菊酯的击倒抗性突变。

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But with time past, the resistance of pest to the pyrethroid is found to develop quickly as well as its extension application scale.

目前的研究表明尽管使用拟除虫菊酯防制昆虫见效快，但其对昆虫产生抗性的速度也快。

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Pyrethroids used to control Blattella germanica on ships should be attended .

选用拟除虫菊酯防制舰艇上的德国小蠊应引起注意。

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However , other organophosphates are still in circulation , as are similar compounds called pyrethroids.

然而，其他有机磷却仍然在流通，还有类似的化合物拟除虫菊酯也在流通当中。

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The strain was selected with pyrethroids , could cause resistance elevated higher to cyhalothrin.

用拟除虫菊酯筛选可造成对氯氟氰菊酯抗药性增长；

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Possible metabolic mechanisms for pyrethroid resistance in this strain were discussed .

还讨论了烟粉虱对拟除虫菊酯抗性的代谢机理。

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Our results indicated that L925I mutation was tightly associated with pyrethroid resistance in the tobacco whitefly from Nanjing.

该结果表明了烟粉虱钠离子通道 L925I 突变与对拟除虫菊酯抗性密切相关。

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Being treated with sublethal dose of insecticide pyrethroid , An. sinensis showed an effect of subsiding in survial capacity and fecundity .

用拟除虫菊酯亚致死剂量处理中华按蚊，显示该蚊的生存力和繁殖率降低。

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It reaches the requirements of fenpropathrin residues analysis .

达到了拟除虫菊酯类农药残留的分析要求。

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OBJECTIVE: Pyrethrins is a new type pesticide that had developed rapidly in 1870s. It was refined from the plant at first.

目的拟除虫菊酯类农药是 70年代迅速发展起来的新型农药，最初是在除虫菊这种植物中提取出来的。

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With the development of technology , pyrethroids has its new accessory change , its effect time will be longer and efficiency will be better.

随着科技的发展，拟除虫菊酯杀虫剂的附着方式有了新的变化，作用期更长，效果更好。

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Are Pyrethroid Insecticides in Our Streams ?

我们的溪流中是否有拟除虫菊酯类杀虫剂？

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Pyrethroid kills mosquiotes when they land on a treated net .

拟除虫菊酯能在蚊子降落在经过处理的蚊帐上的时候杀死它们。

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It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides.

它们多属拟除虫菊酯类农药，占总数的 50%；

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Isolation, screening and identification of synthetic pyrethroid insecticides-degrading strains

拟除虫菊酯降解菌的分离、筛选及鉴定

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