肥皂草的病虫害防治方法

植物图片 2021-03-10 13:00

真菌性叶斑病：发病初期把受病害地方剪除，在伤口处喷洒杀菌剂，过于严重时，整株植物销毁，以防感染给其它植物，在日常养殖时要保持空气流通，不能积水。蛴螬、地老虎：一经发现立刻用药物进行喷杀。若极为严重，必须立即处理掉植物。

真菌性叶斑病

发病时间：6月至7月，温度较高，且湿度较大的环境中。

此病害主要危害叶子、叶柄、茎等部位。叶子受病时会出现圆形的斑点，然后慢慢扩大，斑点最先是红褐色慢慢变成黑色，斑点的中间是灰褐色的；茎与叶柄受病时会出现长方形的斑点，颜色最初是红褐色，也会慢慢变成黑色，早间同样是灰褐色。

防治方法

发病初期可以把受病害侵蚀的地方全部剪除，然后在伤口处喷洒杀菌剂等；若严重时可以直接用药物进行喷杀，同时把受病害的部位剪除。若过于严重时，则整株植物都要销毁。以防感染给其它植物。

此病易在温度较高、湿度较大的环境中发生，所以日常养殖时一定要保持空气的流通性；浇水时一定不要让土壤长期处于潮湿的状态，更不能出现积水。

蛴螬、地老虎

主要危害植物的根、茎等部位，严重时会让植物死亡。

防治方法

一经发现立刻用药物进行喷杀。若极为严重，必须立即处理掉植物。以防危害其它植物。

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