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拟除虫菊酯类农药是一类高效、低毒、低残留的农药,自1980年引入我国以来,经过三年的试验、示范和推广,目前已成为我国北方棉区普遍用来防治棉花蚜虫、棉铃虫的高效药剂。因为这类药剂防治效果好,深受农民欢迎,但由于农民缺乏科学用药知识,使用中的盲目性很大,所以用药次数越来越多,据今年山东、河北、江苏、上海等地反映,一些地方使用溴氰菊酯、速灭菊酯等拟除虫菊酯类农药防治棉花蚜
Pyrethroid pesticides are a series of highly efficient, low toxicity and low residual pesticides. Since they were introduced into our country in 1980, after three years of experiment, demonstration and popularization, pyrethroid pesticides have become commonly used to control cotton aphids, cotton bolls Efficacy of insects. Because of the good effect of such agents, they are welcomed by peasants. However, due to the lack of knowledge of scientific medication and the blindness in their use, the number of drugs used is increasing. According to this year’s reports in Shandong, Hebei, Jiangsu and Shanghai, Some places use deltamethrin, velveret and other pyrethroid pesticides to control cotton aphid