树木插条 繁殖是很省工 的繁殖方法, 但是大多数果 树扦插很难生 根,要发展无 性系必须采用嫁接方法。果树嫁接具有扦插所没有的优点,例如能引起树体的矮化,提早结果,提高果树对不良环境的抵抗能力。嫁接繁殖首先要繁殖砧木而后嫁接,砧木作为树体的根系部分,必然会影响到地上部分。选用良好的砧木可以使树体生 Breeding of tree cuttings is a labor-saving breeding method, but most fruit tree cutting is difficult to root, to develop clones must use the grafting method. Fruit tree grafting has the advantages of cuttings, for example, can cause dwarf trees, early results, improve fruit trees on the adverse environmental resistance. Grafting breeding first breeding stock and then grafting, rootstock as part of the tree’s roots, will inevitably affect the aerial parts. Choose a good rootstock can make the tree body