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花的叶子上有斑点怎么办
更新时间: 2020-06-28 00:00:00  

1、及时除去病组织,集中烧毁;

2、轮作,在温室内可以换土;

3、不要对植株喷浇;

4、从发病初期开始喷药,防止病害扩展蔓延;

5、选用哈茨木霉菌300倍液,直接喷施于病部叶面,同时配合烟熏制剂进行烟熏可有效防治叶斑病,阴天可以施药,温度湿度对药效影响不大。

关键词: 叶子 斑点 怎么办

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