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本文主要选用了哈尔滨地区蔬菜田上常用的几种药剂对小菜蛾和蚜虫的毒力测定。旨在了解本地区的小菜蛾和蚜虫对常用几种杀虫剂敏感度下降的程度 ,为生产上预防和延缓害虫抗药性的产生提供理论依据。
In this paper, the main selection of vegetables in Harbin fields several commonly used drugs on Plutella xylostella and aphids toxicity determination. The purpose of this study is to understand the extent to which the susceptibility of Plutella xylostella and its aphids to several commonly used insecticides in this area has declined and to provide a theoretical basis for the prevention of production and the delay of the production of pest resistance.