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木菊叶子生虫子怎么办
更新时间: 2020-09-08 00:00:00  

通常是蚜虫。自制杀虫剂蚊香:蚊香点燃后挂于有虫的植株上,用塑料袋罩住植株及花盆,1小时后害虫被消灭。

风油精:风油精加水400到500倍可杀蚜虫。

大葱液:取大葱50克捣成泥状,加水50克,浸泡12小时,过滤后用滤液喷施,一天多次,连喷3到4天,可治蚜虫等害虫。

肥皂液:取肥皂和热开水按1:50的溶解后喷施,因肥皂可堵塞害虫的呼吸器官至其死亡,对蚜虫、蚧壳虫有效。

关键词: 叶子 虫子 怎么办

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