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How to control corn beet armyworm? Control techniques for be
2023-04-10 14:32
Spring returns to the earth, and all things revive. After the Waking of Insects, the insects in the field gradually recovered and the harm intensified. Especially early spring corn in the Guangdong and Hainan regions has been severely affected by the beet armyworm recently.
甜菜夜蛾是鳞翅目害虫,夜蛾科,食性杂,危害玉米、辣椒、豆角、花生等多种作物。近两年来,甜菜夜蛾已成为我国普遍发生,危害严重的害虫之一。
甜菜夜蛾有暴饮暴食的习性,虫龄变大后食量激增,一旦防治不及时,往往造成巨大的损失,又因其有钻蛀危害的习性,喷药时往往不能将药液直接喷雾在虫体身上,防效大打折扣!
近期,笔者在海南走访过程中,在海南乐东做了双刀手®防治玉米甜菜夜蛾的示范田,取得了不错的防效!
使用剂量:
双刀手1套60斤水,喷雾1亩地,使用后24小时,甜菜夜蛾明显中毒,低龄害虫死亡,48小时后,甜菜夜蛾,不论大虫(4-5龄)小虫(1-3龄)均虫体发黑死亡,躲在玉米芯里的害虫也死亡殆尽,效果得到了农户的认可与好评。
因此,当玉米田间出现甜菜夜蛾时,建议农户及时选用双刀手®进行防治可以快速控制玉米甜菜夜蛾的危害,减少产量损失!
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