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烟草侧多食跗线螨在云南省新平县严重发生,为筛选出高效且安全的杀螨剂,在田间测定了11种药剂对该螨的药效活性。结果表明,30%阿维菌素·螺螨酯悬浮剂、40%阿维菌素·炔螨特乳油、10%阿维菌素·哒螨灵水乳剂防效最快,在药后3 d即能达到较好效果;其次,20%阿维菌素·丙溴磷乳油、240 g/L螺螨酯悬浮剂、20%丁氟螨酯悬浮剂、1.8%阿维菌素乳油,20%四螨嗪悬浮剂、15%哒螨灵乳油、35%哒螨灵·螺螨酯悬浮剂,在药后7 d达到最佳防效。建议在生产上优先选用30%阿维菌素·螺螨酯悬浮剂、40%阿维菌素·炔螨特乳油和10%阿维菌素·哒螨灵水乳剂,其他几种药剂可交替轮换使用。
In the field of Xinhua County, Yunnan Province, serious occurrence occurred in the tobacco side-feeding mites. To screen efficient and safe acaricides, the efficacy of 11 kinds of pesticides on the mites was tested in the field. The results showed that 30% avermectin · spirodiclofen SC, 40% abamectin · propargite EC, 10% abamectin · pyridaben water emulsion had the fastest effect. After 3 d Namely 20% abamectin and profenofos EC, 240 g / L spirodiclofer suspension, 20% bifenone suspension, 1.8% avermectin EC, 20% Cloxazine suspension, 15% pyridaben EC, 35% pyridaben Spirodiclofenzin suspension, 7 d after the drug to achieve the best control effect. Proposed in the production of preferential use of 30% avermectin spirodiclofen SC, 40% avermectin propargite special EC and 10% abamectin pyridaben water emulsion, several other drugs can be alternated Rotate to use.