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短枝型苹果树的树体紧凑,枝条直立,冠不开张,为提早幼树结果,除加强土肥水管理和病虫害综合防治外,撑拉枝条、缓和枝势已是生产上常用措施,但是拉枝存在以下问题,必须改正,才能得预期效果。 1、拉枝时期不当。生产中多数春季拉枝,结果形成背上枝过多,过旺,难以控制;春季应以拧,捋、拿枝为主,拉枝宜在夏未秋初,此时缓势促花效果好,不易刺激出过多、过旺的背上枝,同时拉枝取材容易。
Sprig type apple tree compact, branches upright, the crown is not open, in order to early young tree results, in addition to strengthening soil and fertilizer water management and integrated pest management, to pull branches, to ease the branch is a common measure of production, but pull The following problems exist in the branches and must be corrected before they can achieve the desired results. 1, pull the wrong period. The majority of production in the spring pull branches, the results form the back branches too much, too busy, it is difficult to control; spring should be twist, 捋, take the main branch, pull branches should be in early summer autumn, when the slow flower promotion effect is good, not easy to stimulate Excessive, over the back of the branch, at the same time pulling the branches easy.