苹果树应用缩剪修剪,主要是控制辅养枝,培养结果枝组,多年生枝换头,以及老树复壮等。缩剪后的反应,因品种、枝势和缩剪部位而不同:(一)缩剪反应具有一定的局限性,仅适于一定的年龄枝段。有些品种(如青香蕉等)在3年生以下的枝段上缩剪时,往往有复壮长势的作用;有些品种(如国光等)在4年生以下 Pruning apple tree pruning, the main is to control the secondary branch, the results of the training branch group, perennial branches change, and the rejuvenation of trees. Shrinkage after the reaction, due to varieties, branches and shrunk parts and different: (A) shrinkage reaction has some limitations, only suitable for a certain age branches. Some varieties (such as green banana, etc.) in the branches below 3 years of age when the cut tend to have the role of rejuvenation; some species (such as Guoguang, etc.) in less than 4 years