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用本地感病的红花品种,对P.carthaml的孢子阶段和生活史进行了研究.结果指出,种子经冬孢子粉拌菌后播种,幼苗罹病后在同一块病斑上先后产生性孢子、夏孢子和冬孢子。明确了性
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对重庆市小麦主要品种灰霉病的调查研究表明,病穗率为34—100%,病情指数为8.5—55%。受病籽粒干瘪霉烂,无食用价值。用大麦、小麦的病穗上和蚕豆病荚上分离得到的菌株,在大麦
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