10.5%阿维菌素·哒螨灵乳油防治苹果红蜘蛛田间药效试验

Efficacy of Abamectin-Pyridaben 10.5% EC on Panonychus ulmi koch in Field

对10.5%阿维菌素.哒螨灵乳油防治苹果红蜘蛛进行了田间药效试验,结果表明,10.5%阿维菌素.哒螨灵乳油对苹果红蜘蛛具有理想的防治效果,药后3d,2000倍液的防效高达94.8%,在苹果红蜘蛛发生初期用药一次,持效期可达10d以上,且对苹果树生长无不良影响,安全性好。

Field efficacy trials for Abamectin -Pyridaben 10. 5% EC on Panonychus ulmi koch were carried out. The results showed that Abamectin- Pyridaben 10. 5% EC has the ideal control effects, the efficacy of 2000X reaches as high as 94. 8% 3 days after application, in the initial stage, it holds the effective date to reach above 10d after applying once. Ab- ameetin - Pyridaben 10. 5% EC has no adverse effects and was safe to tree growth.