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甜瓜流胶什么病害怎么防止

2025年04月07日 12:49

有1个网友回答

网友（1）：

甜瓜流胶
叶，果实，茎上均可发病。叶部病斑初为水浸状圆形斑点，然后发展为边缘黄色的褐色小斑点，并迅速形成大褐色病斑。幼果及未成熟果多在降雨后出现绿色水浸状斑点。茎发病产生褐色病斑扩大腐烂，造成茎蔓顶枯萎而死。
防治：发病初期可用可杀得，农用链霉素粉剂，络氨铜，腐殖酸铜等交替喷雾防治，间隔5-7天一次，连续2-3次。
以上建议仅供参考，希望对您有用。

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