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

• 作者: He Wen Lu Yanchun Peng Chong Tan Dejin Xu Dongying Yang Zhiqiang Zhou Jing
• 来源期刊: Plant Diseases and Pests(植物病虫害研究:英文版)
• 学科: 工学
• 关键词: STERCULIA nobilis Carsidara marginalis WALKER TOXICITY test FIELD efficacy
• 年，卷（期）: 2020,（1）
• 页码范围: 33-35
• 页数: 3页
• 分类号: TQ4

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.