大樱桃一般定植后6～8a(年)即进入盛果期,形成大量短果枝和花束状果枝,产量上升很快,但树势开始衰弱,常出现上强下弱、内强外弱、结果部位外移现象,造成樱桃园郁闭。修剪的主要任务是:调整好树体结构,改善冠内通风透光条件,复壮骨干枝长势,维持和复壮结果枝组的生长结果能力,延 Large cherry generally colonized 6 ~ 8a (years) into the full fruit period, the formation of a large number of short branches and bouquets of fruiting branches, the output rose rapidly, but the beginning of the frail weakness, often appear weak on the strong, strong outside weak, the results Part of the phenomenon of relocation, resulting in cherry orchard closed. Trimming the main tasks are: to adjust the tree structure, to improve the conditions of the crown of light and light, the recovery of the growth of bony branches to maintain and rejuvenate the results Zhizu growth capacity, delay