苹果树进入衰老期后,表现树势衰弱生长量减少,枝条细弱,短校多,花多结果少,腐烂病上升,树冠残缺不全,树冠内枝条枯死,内膛空虚,并有徒长枝出现,结果部位外移,产量下降,品质低劣。这种树的修剪重点是更新树冠,恢复树势,延长结果年限,其修剪要点: 1.对于中央领导干衰弱的树,应充分利用适宜的 Apple trees into the aging period, the performance of the declining decline in the growth of bonsai trees, weak branches, short and more, spend less and less, decay rose, incomplete crown, branches of the canopy dead, empty cannel, and there are leggy branches appear, The results of the site of relocation, yield decline, poor quality. The pruning of this tree focuses on renewing the canopy, restoring the tree vigor and prolonging the life span of the tree. The pruning points are as follows: 1. For the tree with a weak central leadership, we should make full use of suitable