苹果树从初果期到盛果期,有一个过渡时期,叫“盛果前期”,这一阶段树龄一般为10—15年。这一时期整形基本完成,树势渐趋稳定。在栽培管理较好的条件下,产量会年年增长,逐步接近盛果期的水平。此期在冬季修剪上应注意三个问题。一、树体结构的调整。树体结构可采取疏密通光和疏外养内两种措施。疏密通光,就是根据树体生长和丰产树体结构的要求,疏除过多、过密的大枝, Apple trees from the early fruiting period to fruiting period, there is a transitional period, called “early fruit Shengguo”, this age is generally 10-15 years old. Plastic surgery basically completed during this period, the tree gradually stabilize. Under the conditions of better cultivation and management, the output will increase year by year and gradually approaching the level of full fruit period. This period in winter pruning should pay attention to three issues. First, the adjustment of the tree structure. The tree structure can take two kinds of measures: light and light and light. Dense light, is based on tree growth and bumper tree structure requirements, sparse excessively dense branches,