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鹅掌柴叶子出油怎么办
更新时间: 2020-07-15 00:00:00  

一般地,鹅掌柴叶子出油是介壳虫危害叶片所导致。介壳虫以刺吸式口器插入植物组织内取食。不仅大量掠夺植物汁液,破坏植物组织,引起组织退色、死亡,而且分泌一些特殊物质,使植物局部覆盖油状物。当介壳虫大量发生时,常密被于枝叶上,介壳和分泌的蜡质等覆盖枝叶表面,严重影响植物的呼吸和光合作用。

鹅掌柴叶子出油的处理方法如下:用40%氧化乐果1000倍液或50%马拉硫磷1500倍液进行整株喷药杀虫,每隔一周喷洒一次,连续施药3周即可杀灭介壳虫。

关键词: 叶子 怎么办

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