论文部分内容阅读
棉蚜是一种世界性害虫,危害严重时可造成叶片卷曲、花蕾脱落,严重影响棉株生长。在大田生产实践中,棉蚜的控制一直以化学防治为主,但随着杀虫剂的大量使用,棉蚜不仅对有机磷、氨基甲酸酯类和拟除虫菊酯类药剂产生了较高水平的抗性,而且对新烟碱类农药如吡虫啉、啶虫脒等也具有不同程度的抗性。棉蚜的抗性成为棉花生产中急需解决的重要问题,研究筛选新型的防治棉蚜药剂及不同施药技术成为迫切需求。中国农科院棉花所研究人员选用
Cotton aphid is a worldwide pest, serious harm can cause leaf curl, buds off, seriously affecting the cotton plant growth. Control of cotton aphid has been dominated by chemical control in field production practice. However, with the extensive use of insecticides, cotton aphid not only produced higher levels of organophosphate, carbamate and pyrethroid drugs Resistance, but also to different degrees of resistance to neonicotinoid pesticides such as imidacloprid, acetamiprid and the like. The resistance of cotton aphid has become an urgent problem to be solved urgently in the cotton production. Therefore, it is urgent to study and screen the new type of aphides and different application techniques. Chinese Academy of Agricultural Sciences researchers selected cotton