山区农民可利用山上生长的山梨、山李、山杏、山丁子等作嫁接果树的砧木。其繁苗方法如下:在春季砧木树液开始流动而又未展叶时进行,4月下旬～5月上旬均可。嫁接方法一般采用劈接。以嫁接李为例, Mountain farmers can use the growth of mountain Yamanashi, mountain plum, apricot, mountain Dingzi grafted fruit trees such as rootstock. The method of its complex seedlings is as follows: In the spring when the rootstock sap began to flow without spreading the leaves, the late April to early May may be. Grafting methods generally use cleavage. Take the example of grafting Li,