进入90年代以来,苹果粗皮病在我国部分省市严重发生〔1,2〕,特别是红富士苹果,个别地区已开始大面积死枝、死树〔4〕,严重地影响着我国果业生产的进一步发展。但到目前为止,对这方面的研究还不多,尤其对苹果粗皮病果园土壤、树体锰含量诊断指标还缺乏详细研究。为此,自1995年以 Into the 90’s, apple skin disease occurred in some provinces and cities in China [1,2], especially the Red Fuji apple, in some areas have started a large area of ​​dead branches, dead trees [4], a serious impact on China’s fruit industry Further development. However, so far, there are not many researches in this field. In particular, there is a lack of detailed study on the diagnostic indexes of manganese in apple orchard soil and tree body. To this end, since 1995