苹果腐烂病是我国北部苹果产区最严重的病害,四川各苹果栽培地区,近年来也有发生,尤其是老产区,该病日趋严重,对树势和产量都有很大的影响,并有死树的威胁。苹果腐烂病是一种真菌引起的病害,病菌主要侵害结果树枝杆各部位,幼树和幼 Apple rot disease is the most serious disease in the northern part of apple producing area in China. All apple cultivation areas in Sichuan have also occurred in recent years, especially in the old producing areas. The disease is becoming more and more serious and has a great impact on the tree vigor and yield. Dead tree threat. Apple rot disease is a disease caused by fungi, pathogens mainly affect the results of the branches of the tree, saplings and young