绵腐病是我省水稻苗期重要病害之一,大发生时,种苗损失严重。症状:受害的种子和幼苗基部先长出白色胶状物,又逐渐长出白色或土黄色菌丝。发病稻种内部腐烂不能萌发,病苗则因基部腐烂而枯死。秧田发病初期仅零星出现,在 Mian rot disease is one of the important diseases of rice seedling in our province, when it happens, the seedling losses seriously. Symptoms: The victim’s seed and seedling base grow white jellyfish first, and then white or yellowish mycelium grows. The incidence of internal decay can not germinate rice, the disease is due to the base of decay and death. Early emergence of seedling only sporadic, in