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过去我市修剪桃树存在的主要问题是机械造形,修剪过重。由于桃幼树极性强,生长旺,重截重压更集中了营养,加强了先端优势,进一步刺激了徒长,造成整个树冠全被徒长条把持,不通风不透光,内膛小枝年年枯死,最后落个空架子。为了解决整形与结果的矛盾,我市于1967年春开始在元泉桃园进行简化修剪试验。1970年,又在红卫果园,赖家河果园重复试验,逐步形成一套简化修剪技术,现介绍如下:
In the past, the main problem of pruning peach trees in our city was mechanical shaping and over-trimming. Due to the strong polarity of the young peach trees, the growth of Wang, heavy cut heavy pressure more focused on nutrition, to strengthen the avant-garde advantage, to further stimulate the leggy, resulting in the whole canopy is a long strip of control, not ventilated opaque, Dead, finally falling empty shelf. In order to solve the contradiction between plastic surgery and the result, the city began to simplify the pruning test in Yuanchun Taoyuan in the spring of 1967. In 1970, again in Hongwei orchard, Lai River orchard repeated testing, and gradually form a set of simplified pruning technology, are as follows: