浅析苹果树腐烂病及其防治措施

Analysis of Apple Tree Canker and Its Control Measures

我国是苹果生产的大国，但是我国的单位苹果产量在国际上远不如欧洲等西方国家，其原因主要是苹果树腐烂病导致了我国苹果产量的下降，苹果腐烂病是苹果上一种分布广、为害大的病害，是我国北方苹果树的重要病害，有苹果树癌症之称，主要为害6年树龄以上的结果树，造成树势衰弱、枝干枯死、死树，甚至毁园．华北、东北、西北地区发生普遍．据一项研究表明，我国苹果树的发病率在52％以上，主要论述了苹果树腐烂病的症状，发病规律，侵染特点，防治措施等．

Apple canker is a widely distributed, greatly damaged disease in apple trees. It is an important disease of apple trees in North China, and is called Apple Tree Cancer. It mainly damages the result trees of above 6 years of age. It can cause tree vigor debilitating, branches dead, trees dead, and even orchard destroyed. It generally occurs in North China, northeast, northwest region. This article mainly discusses the symptoms of apple tree can- ker, its pathogenesis regularity, infection characteristics, and control measures.