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1、葡萄房枯病是由葡萄房枯大茎点霉等引起的、发生在葡萄的病害。主要危害葡萄的穗轴、果粒等部位，严重时也危害叶片。穗轴染病，首先靠近果粒的部位出现圆形、椭圆形或不规则的圆形病斑，呈暗褐色至灰黑色，稍凹陷，以后部分穗轴变成红褐色干枯，发病穗轴以下的果粒生长不良，果面发生皱缩。
2、葡萄房枯病在中国分布于安徽、河南、四川、广东等地局部地区，一般为害不重。该病可引起蔓的枯死，病叶早期脱落和果粒腐烂，造成经济损失。
3、葡萄房枯病的防治要以预防为主，加强栽培管理，增施有机肥，多施磷钾肥，增强植株抗病力；生长季节注意雨后排水，并在发病初期及时施用化学药剂，以达综合防治的目的。
本文关于葡萄房枯病的简介就讲解完毕，希望对大家有所帮助。
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