苹果、梨改造劣质品种树的高接换头中,或者是用高接加速繁殖新品种或矮化砧的种条时,大部分都以采用皮下接为主。这主要是因为皮下接具备技术简单、操作方便、易于掌握、成活率高等优点。但由于高接后抽生的新梢生长很旺,接口的愈合组织又很幼嫩,新梢极易被风吹折,或发生机械、人为 Apple, pear transformation of poor varieties of trees in the high head, or high-speed propagation of new varieties or dwarfing anvil species, the majority of the subcutaneous use of the main. This is mainly because the subcutaneous access technology is simple, easy to operate, easy to grasp, high survival rate advantages. However, due to high take-off after the shoot growth is very prosperous, the interface healing tissue is very young, the new shoots easily blown by the wind, or the occurrence of mechanical, artificial