醚菌酯可湿性粉剂对黄瓜白粉病的防效研究

Study on Control Effect of Kersoxim-Methyl WP on Cucumber Powdery Mildew

黄瓜白粉病是黄瓜栽培过程中普遍发生的叶部病害,严重危害黄瓜生产,药剂防治是目前防治该病害的主要手段。为了测定醚菌酯可湿性粉剂对黄瓜白粉病的防治效果及最佳使用剂量,2010和2011年连续2a进行了醚菌酯可湿性粉剂对黄瓜白粉病的药效试验。结果表明:该药剂对黄瓜白粉病的防效达66.7%～88.6%,对黄瓜生产安全无药害,可以用于对黄瓜白粉病的防治。

Powdery mildew is a main leaf-disease in cucumbercultivation which serious damage to the production.Fungicide application is an effective measure in controlling the disease at present.In order to determine the control effects and optimal dosage of Kersoxim-Methyl WP on cucumber powdery mildew,its control effects were tested in 2010～2011.The results showed that the control efficiency of Kersoxim-Methyl WP on cucumber powdery mildew was 66.7%～88.6%,with no phytotoxicity to cucumber,which indicated Kersoxim-Methyl could be applied to control of cucumber powdery midew.