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在春季里,对老龄果树及劣树品种进行高接换头,能够达到改良的目的,可使果树内膛充实,提早结果和实现名优果品的丰产。A、全树抹头。对全树实行一次性抹头,使嫁接部位尽可能放低。对已经整形的树木,若主枝比其它枝长,锯口直径不超过70毫米,侧枝及其它枝可适当矮留。骨干枝上的枝应保留90毫米左右。未整形或整形不当的树,选择生长势偏壮、方位角度好的枝作主枝,在主枝上留选适宜
In the spring, the replacement of the aged fruit trees and the inferior tree species with high interchangeability can achieve the purpose of improvement so as to enrich the fruit tree bore, achieve early results and achieve high yield of famous fruits. A, the whole tree wipe head. The whole tree to implement a one-time head, grafting as much as possible to lower the site. For already shaped trees, if the main branches are longer than the other branches, the diameter of the kerf shall not exceed 70 mm and the branches and other branches may be properly dwarfed. Branch sticks on the trunk should be retained about 90 mm. Unsupervised or improperly shaped tree, choose strong growth potential, good azimuth angle of the branches as the main branch, leaving the main branch of the appropriate selection