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怎样预防白菜根肿病
更新时间: 2020-11-10 00:00:00  

预防白菜根肿病,做好种子消毒。播种前用55℃温水浸种15分钟,再用10%氰霜唑悬浮剂2000~3000倍液浸种10分钟,洗净后播种。蔬菜的根肿病,是一种常见的主要病害。主要危害根部,造成主根或侧根出现大小不等、形似手指状、短棒状或球状的瘤,严重时须根上的瘤多达数十个,串生在一起。感病后可造成大幅减产甚至绝收。

关键词: 怎样 预防 白菜

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