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田间试验结果表明,在甜菜夜蛾低龄幼虫高峰期,10%氯氰菊酯乳油800、1000、1500倍液对甜菜夜蛾药后1天的防治效果达89%以上,药后5天达98%以上。该药剂田间使用以1500倍液为宜。
The results of field experiments showed that at the peak of young larvae of beet armyworm, the control efficacy of 800, 1000 and 1500 times 10% beta-cypermethrin EC on Beet armyworm one day after treatment was over 89% and over 98% after 5 days. The agent used in the field of 1500 times is appropriate.