4种药剂对栾多态毛蚜的防效  

Control effect of four insecticides against Periphyllus koelreutoriae

作　　者：王秀建 王刘豪[2] 余昊[2] 王运兵[2] 

机构地区：[1]辉县市农业局,河南辉县453600 [2]河南科技学院,河南新乡453003

出　　处：《河南科技学院学报（自然科学版）》2012年第4期27-29,共3页Journal of Henan Institute of Science and Technology(Natural Science Edition)

基　　金：河南省重点科技攻关项目(01230143)

摘　　要：测定了4种药剂对栾多态毛蚜的防效.结果表明：效果最好的是22%辛.酮乳油（10 g/株）,药后5 d防治效果显著,20~35 d平均防效均达到100%,长效性好,在防治栾多态毛蚜上表现出了良好的效果;其次是24%螺虫乙酯悬浮剂＋助剂（10＋10 g/株）,药后5 d平均防效为67.07%,药后10 d平均防效达82.53%;再次是24%螺虫乙酯悬浮剂（10 g/株）,药后5 d平均防效为52.68%,药后10 d平均防效为63.09%,24%螺虫乙酯＋助剂和24%螺虫乙酯20~35 d防治效果均有所下降,长效性较差;效果最差的是1%甲维盐乳油＋助剂（30＋10 g/株）,药后5 d、10 d、20 d、35 d的平均防效分别为48.66%、50.62%、50.54%和42.37%.The efficacy of four kinds of insecticides against Periphyllus koelreutoriae were evaluated.The results showed that the best is 22% phoxim plus triadimefon EC （10 g/tree）,the control effect was significant after treated 5 days,the average control effect reached 100% after treated 20-35 days.Followed by 24% spirotetramat SC plus additives （10＋10 g/tree）,the average control effect was 67.07%,82.53% after treated 5 and 10 days respectively; again is 24% spirotetramat SC （10 g/tree）,the average control effect was 52.68%,63.09% after treated 5 and 10 days respectively; 24% spirotetramat plus additives,24% spirotetramat,whose 20-35 d control effects are decreased,long- term poor.the worst was 1% emamectin benzoate plus additives （30＋10 g/tree）,the average control effect was 48.66%,50.62%,50.54% and 42.37% after treated 5,10,20 and 35 days respectively.

关 键 词：栾多态毛蚜 杀虫剂 防效 

分 类 号：S763.36[农业科学—森林保护学]