苹果疫腐病是苹果果实的重要病害,主要危害果实,尤其是在树冠下部裙枝多而低,杂草丛生,地下管理不善,栽培密度大,通风透光不良的果园,发病严重,在遇多雨低温年份,易于大面积流行。矮化密植栽培的果树发病更为严重,因此要特别警惕苹果疫腐病蔓延和大面积发生。 Apple blight is an important disease of apple fruit, the main damage to fruits, especially in the lower part of the canopy skirts more than low, overgrown, under-ground management, planting density, bad ventilation orchards, the incidence of serious in the event Rainy low temperature, easy to popularize. Dwarf densely cultivated fruit trees more serious incidence, therefore, to be particularly vigilant against the spread of apple epidemic and large-scale occurrence.