我国华北棉区棉苗期抗性棉蚜问题严重,为害期较长,对棉苗危害大,急需很好研究解决。目前我国已发展多种防治抗性棉蚜的高效药剂品种——久效磷、氧化乐果、乙酰甲胺磷、甲胺磷等。其中,除久效磷外,其残效多还不够理想,苗期需要多次施药防治,控制蚜 The cotton aphid in cotton seedling stage of North China cotton area has a serious problem, the damage period is longer, the harm to the cotton seedlings is bigger and the urgent need is well studied and solved. At present, our country has developed a variety of effective drug varieties to control the resistance to cotton aphids - monocrotophos, omethoate, acephate, methamidophos and so on. Among them, in addition to monocrotophos, the residual effect is still not enough, the seedling need multiple application prevention and control, control aphids