2.5%甲氨基阿维菌素苯甲酸盐水分散粒剂防治小菜蛾、甜菜夜蛾田间药效试验

Application of Emamectin Benzoate 2.5% WDG for Control of Plutella xylostella and Laphygma exigua Hubner

田间试验表明,2.5%甲氨基阿维菌素苯甲酸盐水分散粒剂对小菜蛾和甜菜夜蛾均有良好的防治效果,4～8g/667m2药后14d防效均达85%以上。

The results of field trial showed that emamectin benzoate 2.5% WDG had good effect for controlling the plutella xylostella and Laphygma exigua Hubner. The effect of control was over 85% with the application concentration of 4 to 8 g/667m^2 after 14 days.