嫁接是无性繁殖的一种技术,具有开花结实早,矮化树冠,基本上能保持母本的优良特性等优点,这对缩短林木育种年限和良种繁育都有很大的意义。由于嫁接是利用原来砧术的强大根系,接活后新梢生长势特别旺盛,当年就可抽梢70～80厘米,甚至100厘米以上。目前常将嫁接技术用于高接换头,改造油 Grafting is a technique of asexual reproduction. It has the advantages of early flowering and dwarfing canopy, and excellent characteristics of female parent basically, which are of great significance to shorten the breeding years of breeding trees and breed breeding. Because grafting is the use of the original rootstock of anvil surgery, then live after the shoot growth is particularly strong, then you can shoot 70-80 cm, or even 100 cm above. At present, grafting technology is often used for high-head replacement oil transformation