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一、幼树1.生长特性。幼树期生长旺盛,新梢当年生长量可达1米以上,并且芽具有早熟性,多形成二次枝和三次枝,并在二次枝上也可形成花芽。2.修剪特点。以短截为主,适当进行疏剪冠内的细弱枝和影响树体的徒长枝和过旺枝,以迅速扩大树冠,加速成形,同时,要缓和树势,及早进入结果期。3.修剪要点(以自然圆头形为例)。①定干:在苗木定植后,于70～80厘米处定干。不足定干高度的,应在饱满芽处剪,促发旺枝后,第二年再定干。同时,
First, saplings 1. Growth characteristics. Saplings grow vigorously, shoot growth up to 1 m or more, and buds have early maturity, the formation of secondary and tertiary branches more, and secondary branches can also form flower buds. 2. Trimming features. In order to short cut the main appropriate sparse pruning thin branches within the crown and affect the tree branches and excessive branches to quickly expand the canopy to accelerate the formation of the same time, to ease the tree vigor and early into the fruiting period. 3. Trim points (with natural round shape as an example). ① set dry: planted in the seedlings, set at 70-80 cm at dry. If the height is not enough, it should be cut in full buds to promote vigorous growth and then dry in the following year. Simultaneously,