苹果树腐烂病是我国北方苹果产区的主要病害,发生普遍,为害严重。1984年在辽宁、山东、江苏、安徽等地调查,盛果期果园发病株率多为40～80％,因病死掉大枝的现象比较普遍,死树毁园的情形亦有发生。按果树以及树木树皮溃疡病的综合防治常规,其中包括一项治疗措施,即在发病后及时将病皮刮除,然后涂消毒保护剂,促使病疤加速愈合,以达到树体逐渐康复。但在苹 Apple tree rot disease is the main disease in the northern part of apple producing areas in our country, which is common and devastating. In 1984, surveys in Liaoning, Shandong, Jiangsu, Anhui and other places showed that the prevalence of orchards in flourishing orchards was mostly 40-80%. The phenomenon of death of large branches due to illness was common, and the dead trees were also destroyed. According to the fruit tree and tree bark ulcer disease prevention and control routine, including a treatment measures, namely in time sick skin after curettage, and then disinfect protective agent to promote accelerated healing of the scar in order to achieve a gradual recovery of the tree. But at Apple