苹果霉心病是一种世界性分布的病害,几乎所有苹果品种均有不同程度的发生和危害,造成果实心室霉变、采收前落果、贮藏期间腐烂等危害。多年来,北斗和元帅系品种是高度感病品种,发生危害严重,致使北斗品种被淘汰,元帅系品种的出口受到极大影响。近几年,栽培面积最大的红富士品种的发病率逐年上升,已从 Mold mildew is a worldwide distribution of disease, almost all of the apple varieties have varying degrees of occurrence and damage, causing fruit ventricular mildew, fruit drop before harvest, decay and other hazards during storage. Over the years, Beidou and Marshal Department of the species is highly susceptible varieties, the occurrence of serious harm, resulting in Beidou species were eliminated, the Marshal Department of species exports have been greatly affected. In recent years, the incidence of red Fuji cultivars with the largest cultivated area has been increasing year by year