卫生杀虫剂的作用机理及其混配增效的研究

Mechanism of Hygienic Insecticides and Study on Effect Enhancement of their Mixtures

目的:根据卫生杀虫剂的作用机理,摸索卫生杀虫剂混配是否能延缓抗性,增强杀虫效果;方法:将拟除虫菊酯类、增效剂与其它杀虫剂混配;结果:胺菊酯与苄呋菊酯、氯氰菊酯与毒死蜱等杀虫剂混配对卫生害虫均有明显增效,如7504与S_2(1:3)混用对致乏库蚊幼虫的共毒系数高达221.3;结论:卫生杀虫剂混配降低成本、增效显著,有良好的社会与经济效益。

Objective:Study on whether the mixture of hygienic insecticides could bring a stay of resistance and enhance effect; Methods; Mix pyrethroids synergism with other insecticides; Results; The mixture of tetramethrin and resmethrin,cypermethrin and chlorpyrifos and other insecticides mixtures could enhance the killing effect significantly; Conclusion; The mixutre of hygienic insecticides could cut down cost and enhance effect.