Toxicity and Field Efficacy Test of Several Insecticides against Carsidara marginalis Walker  

作　　者：Yang Zhiqiang Lu Yanchun Zhou Jing Xu Dongying He Wen Peng Chong Tan Dejin 

机构地区：[1]Guangxi South Subtropical Agricultural Science Research Institute,Longzhou 532415,China

出　　处：《Plant Diseases and Pests》2020年第1期33-35,40,共4页植物病虫害研究（英文版）

基　　金：Supported by Guangxi Special Fund for Innovation-driven Development(GK AA17204045-4);National Natural Science Foundation of China(31860533)。

摘　　要：[Objective]The paper was to study the prevention and control effect of different chemical insecticides on Carsidara marginalis Walker.[Method]The indoor toxicity and field efficacy of six insecticides against C.marginalis were determined by residual film method and field efficacy test.The toxicity and field efficacy were comparatively analyzed.[Result]The LC50 of 5%abamectin EC,24%spirotetramat EC,10%lambdacyhalothrin EC,10%nitenpyram SL,25%pymetrozine WP and 20%imidacloprid EC against C.marginalis were 3.585,12.083,15.012,18.754,23.373 and 61.161 mg/L,respectively.The field efficacies against C.marginalis at 1 d post administration were 78.04%,80.05%,69.92%,82.27%,71.72%and 76.72%,respectively.The field efficacies against C.marginalis at 10 d post administration were 92.49%,82.41%,83.80%,88.24%,94.10%and 97.01%,respectively.[Conclusion]The agents with strong quick effect and insecticides with strong systematic conductivity should be mixed together,in order to achieve quick and continuous insecticidal effects.

关 键 词：STERCULIA nobilis Carsidara marginalis WALKER TOXICITY test FIELD efficacy 

分 类 号：S433.3[农业科学—农业昆虫与害虫防治]