苹果树腐烂病是我国冀北山区苹果树重要病害。近几年来,苹果腐烂病在冀北山区连续多年中偏重到大发生,严重影响了产品的质量和产量。笔者现将苹果腐烂病在冀北山 Apple tree rot disease is an important disease of apple tree in the mountains of northern Hebei. In recent years, apple rot disease in mountainous areas in northern Hebei for many years to focus on the occurrence of serious, seriously affecting the quality of products and production. I now apple rot disease in Hebei North Mountain