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养蟹爪兰叶子出现斑点怎么办
更新时间: 2020-07-04 00:00:00  

蟹爪兰是一种适应弱酸性土壤的植物,蟹爪兰的叶片上有斑点应该是介壳虫,介壳虫是同翅目,盾蚧科的昆虫,雌虫无翅,足和触角均退化,雄虫有一对柔翅,足和触角发达,刺吸式口器,常见的有吹绵蚧、樟蚌圆盾蚧、糠片蚧、朝鲜球坚蚧、桑白蚧、康氏粉蚧等6种。

介壳虫以刺吸式口器终生插入兰花叶片组织内取食,不仅大量掠夺植物汁液,破坏叶片组织,引起组织退色、死亡,而且还分泌一些特殊物质,使局部组织畸形或形成瘤瘿,有些种类还是传播兰花病毒病的重要媒介,所以蟹爪兰叶子出现斑点的解决方法如下:

用40%氧

关键词: 养蟹 叶子 出现 斑点 怎么办

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