25%吡蚜酮WP防治白粉虱的药效试验  

Controlling Effects of 25% Pymetrozine WP to Whitefly

作　　者：刘海清[1] 庞占军[1] 关丽娥 

机构地区：[1]河北工程大学农学院,河北邯郸056021 [2]永年县农业局,河北永年057150

出　　处：《北方园艺》2010年第18期186-187,共2页Northern Horticulture

摘　　要：以25%噻嗪酮WP和10%吡虫啉WP为对照药剂,进行了25%吡蚜酮WP不同剂量防治黄瓜上白粉虱的药效试验。结果表明:25%吡蚜酮WP是防治黄瓜白粉虱持效期长的理想药剂,中剂量(20g/667m2)药后14d防效达97.2%,明显高于对照药剂,且对黄瓜生长安全。推荐使用剂量为20g/667m2。Compared with 25% buprofezin WP and 10% imidacloprid WP,different doses of 25% pymetrozine WP had been used to control whitefly in the field.The results showed that 25% pymetrozine WP was ideal pesticide against Whitefly,control effect was 97.2% after 14days using middle dose（20g/667m^2）.It was obviously higher than 25% buprofezin WP and 10% imidacloprid WP and secure to cucumber.The recommendation dose was 20g/667m^2.

关 键 词：吡蚜酮 白粉虱 防治效果 

分 类 号：S433.3[农业科学—农业昆虫与害虫防治]