苹果树腐烂病是一种发生范围广,危害程度重,损失极大的果树病害。进入盛果期的果树和山坡薄地长势弱的果树,最容易发病。轻者,大小枝病死,结果能力锐减,果品质量下降,结果年限缩短;重者,主枝主干枯死,甚至全园毁灭。因此,必须采取综合措施,主要 Apple tree rot disease is a wide range of occurrence, degree of harm, loss of great fruit trees disease. Into the fruiting period of fruit trees and slopes grow weak fruit trees, the most prone to disease. The light, the size of the branch died, the ability to reduce the result, the decline in the quality of fruit, the results of shorter life expectancy; severe, the main branch dead, and even the whole park destroyed. Therefore, we must take comprehensive measures, mainly