腐烂病是导致苹果树衰退和死亡的主要病害,一般盛果期果树和管理差的果园病重,国光、红富士、黄元帅等品种较重,海棠、小杂果较轻。庭院果树较重,山坡地果树较差,多雨年份病重,干旱年份病轻。防治腐烂病要坚持以预防为主、综合防治的方针。下面介绍两种防治苹果树腐烂病的新方? Rotten disease is the main cause of the decline and death of apple trees. Generally, fruit trees and poorly managed orchards are seriously ill. Guoguang, Fuji, and Huang Yuan-shu are the heavier ones. Begonia and minor fruits are lighter. Garden fruit trees heavier, poor fruit trees on hillsides, rainy years sick, dry years of illness light. Prevention of rot disease should adhere to the principle of prevention, comprehensive prevention and treatment. Here are two kinds of new prevention and treatment of apple tree rot disease?