笔者于 1989～ 1993年连续 5年在云南省光明园艺场五队对 1986年春定植的 10 2ｈｍ2 红富士、普通富士、金冠、秦冠、富丽苹果进行了夏季修剪 ,达到了促进红色苹果着色 ,改善通风透光条件 ,促进花芽形成 ,减轻冬季修剪总量的目的。苹果幼树每年进行3次夏季修剪。1　第一次夏剪 The author conducted a summer pruning of 10 2hm2 Red Fuji, Ordinary Fuji, Golden Delicious, Qin Guan and Full Beauty apples in the spring 1986 planting in the five teams of Guangyuan Horticultural Field in Yunnan Province from 1989 to 1993 for the fifth consecutive year, achieving the goal of promoting red apple coloring and improving Ventilation and light conditions, to promote flower bud formation, reduce the total amount of winter pruning purpose. Apple saplings are trimmed three times a year in summer. 1 first summer cut