湖北省襄阳县龙王镇1989年引种四川苍溪梨，栽培面积近700hm2。1995年果实的果面出现无规则散生下陷国班，皮下果肉揭变干腐；严重时果实变畸形；不同深度果肉中散生云斑状揭变干腐及木栓化病斑，多着生于维管束附近；部分果实的果心竭变腐烂，少湿腐。1996年，果实受害率猛增 Longwang Town, Xiangyang County, Hubei Province Introduction of Cangxi Pear in 1989 with a cultivation area of ​​nearly 700hm2. The results of the trial in 1995 showed that there was no evidence of the occurrence of dry skin in the skin, In the scattered uncovered cloud spot dry rot and cork lesions, more than born in the vicinity of the vascular bundle; part of the fruit of the core of the decay decay, less wet rot. In 1996, the rate of fruit victimization soared