近年来,随着绿化工程对大规格海棠需求的加大,绿化苗圃中大规格海棠明显不够用,如在各地用量较大的西府海棠和彩叶树种王族海棠等。而与海棠同科同属的苹果树,便被用来做嫁接海棠的砧木。果园中过了产果盛期的苹果树,虽然产果能力已经较弱,但其高大的树形和粗壮的枝干,却可以在园林绿化中发挥作用。一、原材料选择苹果树寿命不算太长,一般乔化砧能达 In recent years, with the greening project to increase the demand for large-size Begonia, green nursery large standard Begonia obviously not enough, such as the large amount of Xifu Begonia and colorful tree species such as Begonia. And the same family with Begonia apple tree, it was used to do grafting Begonia rootstock. The apple orchard had a fruit-bearing apple tree, although its ability to produce fruit was weak, its tall tree shape and stout branches could play a role in landscaping. First, the choice of raw materials Apple tree life is not too long, the general Joe anvil can reach