秧苗周围有白色絮状物 该怎么治？
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[振兴路上]今年春耕不一般_秧好半年稻20230403
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秧苗长得好好的，怎么周围多了一层白色絮状物？这是感染绵腐病的表现，高温高湿的环境为病菌的滋生创造了有利条件，一旦发现秧苗感染，就要用药处理，否则感染得更多，可以用恶霉灵治疗。
