大龄桃树改接杏树，在杏树生产上是一个突破。针对接砧的不同特点，采取不同的嫁接方法，成活率都在80％以上。改接后，亲和力较强，当年生长量达到2．0m，第二年结果株率达90％，第三年实现丰产，果实品质明显提高。 Older peach to pick almonds, apricot production is a breakthrough. According to the different characteristics of the anvil, take different grafting methods, the survival rate of more than 80%. After the switch, the affinity is strong, when the growth volume reached 2.0m, the second year result rate of 90%, the third year to achieve high yield, fruit quality improved significantly.