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短枝型苹果树的树体紧凑,枝条直立,冠不开张,为提早的树结果,除加强上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,但是拉枝存有以下问题,必须注意改正,才能取得预期效果。 (1)拉枝时期不当:在生产中多数春季拉枝,结果形成背上校过多、过旺,难以控制;春
Sprig type apple tree compact, branches upright, the crown is not open, for the early tree results, in addition to strengthening the fertilizer and water management and integrated pest management, to pull branches, to ease the branches is a production of common measures, but pull The branch has the following problems, we must pay attention to correct, in order to achieve the desired results. (1) improper pull the branch: in the production of most branches in the spring, the results form the back of the school too much, too busy, difficult to control; spring