苹果树腐烂病是苹果树的一种毁灭性病害,在河南、河北、山东、山西、安徽、四川、辽宁等三北地区普遍发生,一般减产30%,严重者可达80%以上,严重影响了果树生产的发展。濮阳林科所研究的“腐烂病综合防治技术”,效果显著,最近通过了由濮阳市科委组织的技术鉴定。该课题组自1984年至1989年,对该病在当地的发病规律、发病条件以及不同药剂、不同防治时期 Apple tree rot disease is a devastating disease of apple trees. It generally occurs in the three northern regions of Henan, Hebei, Shandong, Shanxi, Anhui, Sichuan and Liaoning. The general reduction is 30% and the seriousness can reach more than 80%, which seriously affects The development of fruit tree production. Puyang Linke studied “comprehensive treatment of rot disease technology”, the effect is significant, recently adopted by the Puyang Municipal Science and Technology Commission organized the technical appraisal. The task group from 1984 to 1989, the incidence of the disease in the local law, the incidence of conditions and different agents, different prevention and treatment period