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目前密植梨园在整形修剪上普遍存在一些问题，如定干过低、主枝过多、交叉郁闭等，尤其新建梨园比较严重。这些问题迫切需要解决，否则就会影响梨树生产的发展。现提出梨树整形方面存在的主要问题及解决方法。 １．树冠基部枝过低 树冠基部技离地面只有２５～３５ｃｍ，或者接
At present, there are some problems commonly encountered in plastic pruning such as setting dry too low, too many main branches, crossing canopy, etc. In particular, the new pear garden is more serious. These problems urgently need to be solved, otherwise it will affect the development of pear production. Pear tree is now presented in the main problems and solutions. 1. Canopy base branches are too low canopy base technology from the ground only 25 ~ 35cm, or access