8种杀虫剂对棉花主要害虫的防效及对瓢虫的影响

Study on the Effect of Pestrcides on the Control of Insects in Cotton Field

防治棉铃虫比较理想的药剂和处理有赛丹 +三唑磷、拉维因、赛敌 ;拟除虫菊酯类农药使用的时间长 ,对棉蚜防效差 ,不能作为防治棉蚜的专门药剂 ;8种试验药剂均不宜于防治棉叶螨 ;试验药剂及处理 ,对瓢虫卵杀伤力不强 ,但对瓢虫成。

Agri-chemicals such as Saidi etc were the ideal pesticide,specially for cotton worm bell,but for cotton aphide.8 pesticides was not suitable for the control of cotton leaf roller and eggs of lady beetle,but for the control of imago fo lady beetle.