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喷豆角虫应该在什么时候喷最好

更新时间: 2020-09-12 00:00:00     

喷杀豆角虫应该在下午4到5时进行喷药。

下午4到5时为豆角虫的休息时间,此时豆角虫的行动能力较弱,更加容易对其进行喷杀;喷药时要行动迅速,防止成虫飞跑;可使用敌敌畏、点藤酮、安克力、乐斯本、辛硫磷、跳甲清等药物对豆角虫进行喷杀;喷药时注意喷洒叶底,使豆角虫在幼龄期时对其进行防治、喷杀;冬春季为豆角虫灾害的为害盛发期,此时应加大药物的喷洒量。

关键词: 豆角 应该 什么 时候 最好

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