葡萄褐斑病又名斑点病、褐点病、叶斑病或角斑病,有大褐斑和小褐斑两种类型,广泛分布于各葡萄产区,可引起葡萄早期落叶,严重影响浆果产量、品质和树势,特殊情况下可造成毁产。发病原因:引发葡萄大褐斑病的病原为半知菌亚门葡萄假尾孢(图1),引发小褐斑病的病区则有葡萄座束梗尾孢霉、葡萄明针尾孢霉两种菌源。葡萄假尾孢从寄主 Also known as spotted brown spot disease, brown spot disease, leaf spot disease or angular leaf spot, there are two types of large brown spots and small brown spots, widely distributed in the grape-producing areas, can cause early deciduous grapes, seriously affecting the berries Yield, quality and tree potential, under special circumstances can cause ruin. The cause of the disease: the pathogen caused by grape brown spot disease Candida aureus grapes pseudotyped (Figure 1), caused by small brown spot in the ward there are grape stem Mycelia, Two kinds of bacteria source. Grape Pseudoterra from the host