成龄桔树高接换种的成功率是指由于采取技术措施得当 ,高接换种的芽片不仅成活率高 ,而且成活后能形成强大的树冠 ,结果年限长。这与嫁接部位、嫁接技术、嫁接时期、砧穗组合等多种因素密切相关 ,其中嫁接部位、技术、嫁接时期属操作问题。笔者仅从操作的角度 ,谈谈一些体会和? The success rate of mature oranges is that due to the proper technical measures, the high yielding buds not only have high survival rate, but also form powerful canopies after surviving, resulting in long life span. This is closely related to many factors such as grafting site, grafting technology, grafting period and scion combination, among which grafting site, technology and grafting period belong to operational problems. I only from the operational point of view, talk about some experience and?