苹果腐烂病是国内北部苹果产区主要病害之一。由于它是一种毁灭性病害，常常造成果园大量减产和树体死亡．苹果腐烂病主要危害结果树，发病部位一般为主干，大枝。发病时，树皮外表呈红褐色，略隆起，皮层组织松软，手压易下陷，并流出黄褐色或红褐色汁液，有酒糟味，后期病部 Apple rot disease is one of the major diseases in the northern apple-growing area in China. Because it is a devastating disease, it is often the result of mass cuts in fruit orchards and the death of trees. Apple rot disease is the main end result of tree disease, the site is generally trunk, big branch. Occurrence, the bark appearance was reddish brown, slightly elevated, soft cortical tissue, hand pressure easily sag, and out of brown or reddish brown juice, wine bad smell, late disease