生物药剂混配对枸杞蚜虫的联合毒力作用

目的]为枸杞蚜虫的防治提供理论指导。方法]采用浸渍法测定1．8％阿维菌素乳油与2．5％鱼藤酮乳油、1％苦参碱可溶性液剂、0．5％绿农宝乳油、10％吡虫啉可湿性粉剂混配对枸杞蚜虫的联合毒力作用。结果]1．8％阿维菌素乳油与2．5％鱼藤酮乳油按有效成分1：4混配、与0．5％绿农宝乳油按有效成分1．0：0．6混配、与10％吡虫啉可湿性粉剂按有效成分1．O：11．2混配均具有增效作用，其共毒系数（CTC）分别为477．5、455．1、244．5mg／L；1．8％阿维菌素乳油与1％苦参碱可溶性液剂按有效成分1．0：1．4混配的共毒系数（cTc）为110．3mg／L，药效表现出相加作用。结论]该试验中4种农药混剂对枸杞蚜虫的防治效果均较好。

Allied Toxicity Function of Biological Pesticide Mixed Preparation on Aphis sp.

Objective] The study was to provide the theoretical guidance for control of Aphis sp.Method] Impregnation method was taken to study the allied toxicity function of 1.8% abamectin and 2.5% rotenone,1% matrine,0.5% vertrine and 10% imidacloprid mixed preparation on Aphis sp.Result] 1.8% abamectin mixed with 2.5% rotenone with effective components proportion of 1∶4,1.8% abamectin mixed with 0.5% vertrine with effective components proportion of 1.0∶0.6,1.8% abamectin mixed with 10% imidacloprid with effective components proportion of 1.0∶11.2 all had synergism with co-toxicity coefficient(CTC) of 477.5,455.1,244.5 mg/L resp.1.8% abamectin mixed with 1% matrine with effective components proportion of 1.0∶1.4 had the efficacy additive function with CTC of 110.3 mg/L.Conclusion] 4 kinds of pesticide mixture in this test all had good control effect on Aphis sp.