苹果是我国北方八大果树之一,过去苹果全靠传统的嫁接方法繁殖苗木,工序繁琐,育苗周期长,投资大,效益低。为了克服嫁接育苗方法中的弊病和缩短、简化育苗手续,我们从1985年以来,选用金帅品种进 Apple is one of the eight fruit trees in the north of our country. In the past, the apple relied on the traditional grafting method to propagate the seedlings. The procedure was cumbersome, the seedling cycle was long, the investment was big, and the benefit was low. In order to overcome the shortcomings and shortenings in the method of grafting and seedling, and to simplify the breeding procedures,