桃树高接换头及管理技术姜全郭继英郑书旗（北京市农林科学院林果所·１０００９３）生产上，有些桃园由于建园时品种选择不当，或苗木混杂，或未配置授粉树，或品种过时等，造成经济效益低下。高接换头技术更换新品种已被广泛应用于苹果、梨等树种。但在桃树上很多地区由... Peach high interchangeable head and management technology Jiang Quan Guo Jiying Zheng Shuqi (Beijing Academy of Agriculture and Forestry, Institute of Forestry 100093) production, some of the Taoyuan due to the improper selection of cultivars or mixed seedlings, or not configured with pollination trees, or species obsolete Etc., resulting in low economic efficiency. High interchangeable head replacement technology has been widely used in new varieties of apples, pears and other species. But in many parts of the peach tree by ...