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0.3%印楝素EC主要成分为印楝素(azadirach-tin),是生物制剂,已在防治小菜蛾和蝗虫上登记。其杀虫机理是作用于昆虫神经肽,阻止表皮几丁质形成,因不影响胆碱酯酶活性,故对人及其他高等动物安全。为探讨其对苹果园山楂叶螨的防治效果,笔者选用生产上常用的3种药剂与其对比,于2003
The main component of 0.3% azadirachtin EC is azadirachtin, a biologic agent that has been registered for the control of diamondback moth and grasshopper. Its insecticidal mechanism is acting on the insect neuropeptide to prevent the formation of epidermal chitin, because it does not affect the activity of cholinesterase, it is safe for humans and other higher animals. In order to explore its control effect on apple orchard hawthorn spider mites, I choose to use the production of the three kinds of agents compared with the 2003