论文部分内容阅读
花前复剪是对冬季修剪的补充。作用是减轻和克服大小年结果现象,促进幼树正常生长和适龄结果,促使成龄树稳定树势,丰产稳产。 1.花前复剪的时间:以花蕾期为好,过早不易分清叶芽和花芽,过晚营养消耗大,影响树势。 2.花前复剪的次序:一般先剪花多的弱枝,后剪幼树、旺树;先剪物候期早的,后剪物候期晚的; 3.花前复剪的原则;花前复剪要因品种、因树制
Pre-pruning is a supplement to winter pruning. The role is to reduce and overcome the phenomenon of large and small annual results, and promote normal growth of young trees and age-appropriate results, to promote the stability of adult tree vigor, high and stable yield. 1. Pre-complexion cut the time: bud stage is good, too early to distinguish leaf buds and flower buds, excessive nutrition consumption, affecting the tree potential. 2. The order of the pre-scissors: the general first cut flowers and more weak branches, after the cut saplings, Wang trees; early cut early reptile, post-cut objects late; 3. The principle of pre-scissors; flowers Before the complex cut due to species, due to tree system