八种杀虫剂对桃蚜的毒力测定
Northern Fruits（2011）
Abstract
通过8种药剂对桃蚜室内毒力测定表明,24h后对桃蚜活性较高的药剂为新烟碱类和苏云金杆菌类的杀虫剂,拟除虫菊酯类活性较低。其中必喜表现出对桃蚜极高的活性,其LC50值仅有0.019mg/L;其次为阿维菌素、优化Bt、吡虫啉,其LC50值为0.038～0.309mg/L。48h后各药剂的毒性均增大。其中必喜LC50值最小,为0.014mg/L;其次为阿维菌素、优化Bt、吡虫啉,其LC50值为0.036～0.26mg/L。
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Key words
toxicity,insecticide,Myzus persicae Sulzer
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