梨树腐烂病俗称臭皮病 ,是危害梨树最严重的病害之一 ,十年以上树龄的结果树受害尤重。果树腐烂病的冬季防治树皮发病后 ,外表呈圆形或不定形的红褐色略隆起的病疤。病疤皮层组织变软 ,水渍状湿腐 ,有酒糟味 ,用手指压即下陷 ,并流出黄褐色至红褐色汁液。后期病部失水干缩而下 Pear tree rot disease, commonly known as odor disease, is one of the most serious diseases that endanger pear trees. The result tree of more than ten years old is especially harmed. Fruit tree rot disease in winter after the onset of bark control, the appearance of round or amorphous reddish brown slightly raised scars. Sick cortical tissue becomes soft, water-like wet rot, wine bad smell, finger pressure that is subsidence, and out of the tan to reddish brown juice. Late dehydration and shrinkage of the disease department