苹果树腐烂病是一种危害果树的严重病害 ,农民称它为“果树癌症”。近年来我国北方苹果栽培区 ,有的由于管理粗放 ,结果过多 ,病虫害猖獗 ,造成树势衰弱 ,伤口过多 ,导致腐烂病扩展蔓延 ,损失惨重。为了有效地控制这一严重影响苹果生产的病害 ,河北省农林科学院昌黎果树研究所 Apple tree rot disease is a serious disease endangering fruit trees, farmers call it “fruit tree cancer.” In recent years, cultivation areas of apple trees in the north of our country have suffered heavy losses due to extensive management and excessive results, resulting in rampant pests and diseases, resulting in frail trees and excessive wounds. In order to effectively control this serious impact on the production of apple diseases, Changli Fruit Institute of Hebei Academy of Agriculture and Forestry