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田间小区试验结果表明,2％甲氨阿维．高氯乳油在甜菜夜蛾卵孵化高峰期施药,对白菜地的甜菜夜蛾有较好的防治效果。1200-800倍液,药后1d的防效为66．72％-86．26％,药后3d的防效为65．43％-88．43％,药后7d已有新的幼虫孵化,防效开始下降。该药剂对斜纹夜蛾亦有较好的兼治作用,而且对白菜安全,可以作为防治甜菜夜蛾的有效药剂推广使用,推荐使用浓度为800-1000倍液。
Field plot test results show that 2% metamylase. High chlorine EC applied in the peak of hatching egg beet armyworm, the cabbage beet armyworm have better control effect. 1200-800 times, 1 d after the drug control effect was 66.72% -86.26%, 3d control effect was 65.43% -88.43%, 7d after the new drug larvae hatch, Control began to decline. The medicament also has good adjuvant effect on Spodoptera litura, and is safe for cabbage and can be used as an effective medicament for controlling Spodoptera exigua, and the recommended concentration is 800-1000 times.