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利用深冬早春农闲时期，在室内进行果苗根系嫁接，即以砧木树种的根系为砧木，嫁接所需树种接穗的苗木繁育技术，具有嫁接时间延长，原料来源广，成活率高，长势旺等特点，是果树育苗的好方法。 (1)原料准备 选择亲合力强的树种作砧木，如嫁接苹果用海棠、山梨、杜梨的根，
Utilizing the slack season of early spring in early spring, grafting of seedling roots in the house is carried out, that is, the rootstocks of rootstocks are used as rootstocks, and the seedling breeding techniques of grafting the desired scion of seedlings have the characteristics of prolonged grafting time, wide source of raw materials, high survival rate, , Is a good way of nursery fruit trees. (1) Preparation of raw materials Select avian tree species for rootstock, such as grafted apple with Begonia, Yamanashi, Du pear roots,