灭幼脲Ⅰ号抗蛻皮激素,属苯甲酰苯基脲衍生物,主要通过抑制昆虫几丁质合成酶而杀死害虫,具有高效、低毒、低残留、持效期长等优点。驻马店地区属一代粘虫常发区。为了防止粘虫为害,在四、五月份大量喷撒六六六、DDT等有机氯农药。这类药剂毒性 Chlorbenzuron No. 1 anti-ecdysone, is a benzoylphenyl urea derivatives, mainly through the inhibition of insect chitin synthase and kill pests, with high efficiency, low toxicity, low residual, long duration and so on. Zhumadian area is a generation of common armyworm disease. In order to prevent the armyworm damage, in April and May, a large number of spraying six six six, DDT and other organochlorine pesticides. Such agents toxicity