20%虫酰肼悬浮剂防治甜菜夜蛾田间药效试验  

Field Trials on Controlling Spodoptera exigua Hübner with 20% Tebufenozide SC

作　　者：杨彬[1] 姚安平[1] 周小毛[2] 

机构地区：[1]湖南省益阳市赫山区农业局,湖南益阳430005 [2]湖南农业大学植物保护系,湖南长沙410128

出　　处：《安徽农业科学》2010年第15期8270-8271,共2页Journal of Anhui Agricultural Sciences

基　　金：湖南省自然基金项目(07JJ6055);湖南省教育厅基金项目(07C362);湖南农业大学人才基金项目(2006WD026)

摘　　要：[目的]测定和评价20%虫酰肼悬浮剂对甜菜夜蛾的防治效果和安全性,为其推广使用提供技术支持。[方法]采用叶面喷雾法施药并测定不同用量的20%虫酰肼SC和25g/L溴氰菊酯EC防治甜菜夜蛾的效果。[结果]20%虫酰肼悬浮剂对甜菜夜蛾有较好的控制效果,药后3和7d,20%虫酰肼各处理防治效果分别达81%和84%以上,高于25g/L溴氰菊酯EC处理的防治效果。[结论]20%虫酰肼SC用于防治甜菜夜蛾,效果好,持效期为7d以上,并且对环境污染少,对甘蓝安全,是防治蔬菜甜菜夜蛾的理想药剂。[Objective] The aim was to determine and evaluate control effect and security of 20% tebufenozide SC against Spodoptera exigua Hübner,which will provide technical support for its promotion and utilization.[Method] By using foliar spray method,the control effects of different concentration 20% tebufenozide SC and 25 g/L deltamethrin EC against S.exigua were determined.[Result] 20% tebufenozide SC has better control effects on S.exigua.After spraying 3 d and 7 d,the control effects of 20% tebufenozide SC each treatment could reach 81% and 84%,which is higher than 25 g/L deltamethrin EC treatment.[Conclusion] 20% tebufenozide SC was good for controlling S.exigua,because of its favorable effect,continuing validity period more than 7 d,less pollution and safety.

关 键 词：虫酰肼 甜菜夜蛾 药效 

分 类 号：S433.4[农业科学—农业昆虫与害虫防治]