1、选择适宜的树体结构 矮化密植苹果园树体最好采用自由纺锤形或细长纺锤形整形，减少骨干枝级次和数量。保留 10～ 15个骨干枝，修剪时掌握树密枝稀的原则。每个骨干枝作为一个大型结果枝组培养，单轴延伸，及时疏除外围遮光枝，内膛直立枝徒长枝，打开光路，以利于通风透光 1, select the appropriate tree structure dwarf dense planting apple orchard tree best free spindle or slender spindle shape, reduce the level and number of backbone branches. Maintain 10 to 15 backbone branches, pruning grasp the principle of thin branches of trees. Each backbone branch as a large-fruiting group of branch culture, uniaxial extension, in time to sparse peripheral shading branches, inner branches upright branches, open the light path, in order to facilitate ventilation