苹果霉心病又称心腐病、果腐病，这种病在冀南地区发病率一般为１８％～４０％，有些果园高达７０％～８０％，受害后，经济价值和食用价值严重受损。 果实受霉心病侵染是从心室开始，后逐渐向外扩展霉烂。在贮藏过程中，当果心霉烂发展严重时，果实底部可见彼此相连成块的水浸 The mildew of apple is also called heart rot and fruit rot. The incidence of this disease is generally 18% ~ 40% in southern Hebei Province, while some orchards are as high as 70% ~ 80%. After being victimized, the economic value and the edible value are severely impaired. Infected by mildew is fruit from the ventricle, and gradually expand outward mildew. In the course of storage, when the development of fruit heart rot is serious, the bottom of the fruit can be seen connected to each other into a block of water