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应用45.5%阿维菌素.丁醚脲悬浮剂防治小菜蛾幼虫,结果显示,以450、600mL/hm245.5%阿维菌素.丁醚脲悬浮剂处理7d后对小菜蛾的防治效果分别为87.73%和94.84%,与对照药剂1.8%阿维菌素乳油450mL/hm2和25%丁醚脲乳油1200mL/hm2处理的防效相当;药后甘蓝叶片虽略有斑驳皱缩,但后期恢复正常,不影响结球,表明45.5%阿维菌素.丁醚脲悬浮剂是防治小菜蛾的有效药剂之一,可以与其他药剂轮换使用,推荐使用浓度为450mL/hm2。
Application of 45.5% Abamectin diafenthiuron to control Plutella xylostella larvae showed that the control effect on the diamondback moth, Plutella xylostella, after being treated with 450,600 mL / hm245.5% abamectin urea for 7 days Were 87.73% and 94.84%, respectively. The results showed that the control efficacy was similar to that of control agent 1.8% abamectin 450mL / hm2 and butanuril 1200mL / hm2; although the mottled kale leaves slightly mottled and wrinkled, Normal, does not affect the ball, indicating that 45.5% avermectin. Diafenthiuron suspension is one of the effective prevention and treatment of diamondback moth, and other agents can be used interchangeably, the recommended concentration of 450mL / hm2.