葡萄炭疽病又名脱腐病，是葡萄成熟期到果实腐烂的主要病害，它直接影响到葡萄的品质和产量，是葡萄产业较严重的病害之一。 １．发病原因和症状 葡萄炭疽病是由小丛克菌以菌丝体在枝蔓上越冬，翌年产生分生孢子侵染果穗，多在一年新枝上带菌。越冬病菌要求有一定温湿度条件才 Grape anthrax, also known as de-rot disease, is the main disease of fruit decay during the ripening stage of grapes. It directly affects the quality and yield of grapes and is one of the more serious diseases in grape industry. 1. Pathogenesis and symptoms Grape anthrax is a small plexus mycelium in the branches over the winter, the next year produce conidia infected ears, and more in a year with fresh branches. Overwintering germs require a certain temperature and humidity conditions before