防治苹果树腐烂病采用重刮皮、刮除病斑和涂治的三种方法答吉林省舒兰市读者冯羽绪重刮皮：对树体主要部位（主干和主枝基部）进行全面刮皮，刮到露出新鲜组织为止，但不得触及形成层，皮层中有坏死斑点也一律清除。刮后可以不作消毒处理，注意早春晚秋一般不宜进行。刮除... Prevention and treatment of apple tree rot disease using the main curettage, curettage and Tu cure three ways to answer Jilin Province Shulan readers Feng Yu Xu heavy scraping the skin: the main parts of the tree (trunk and main branch base) to a comprehensive scraping Skin, scraping to reveal fresh tissue so far, but may not touch the formation of layers of necrotic spots are also removed. After scraping can not be disinfected, pay attention to the general early spring and late autumn should not be carried out. Scratch ...