苹果生产中,由于修剪不当,常常出现上强下弱、下强上弱和外强内弱等树势失衡现象,造成结果部位分布失调、产量下降。现将苹果失衡树的修剪技法介绍如下:一、外强内弱树外围枝势强,旺枝多,且延长枝梢角小;内膛枝通风透光条件差、细弱,甚 Apple production, due to improper pruning, often appear on the weak, the next strong on the weak and outside strong and weak and other tree-tree imbalance, resulting in the distribution of the results of position disorders, decline in output. Now apple unbalanced tree pruning techniques are described below: First, the outer strong weak tree outside the strong branches, Mong branches, and to extend the shoot angle is small; bore shoots poor ventilation and light, thin, very