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幼龄桃树由于营养生长过旺 ,1年多次抽梢 ,易形成徒长 ,严重影响花芽形成和坐果 ,从而推迟了幼龄桃树的投产期。为了有效地控制幼龄桃树过旺的营养生长 ,使之尽早投产。笔者于 1997年～ 1999年采用多效唑和Ｂ9来控制幼龄桃树营养生长 ,促进花芽分化和提高坐果率 ,取得初步结果?
Young peach trees due to vegetative growth over, 1 year repeatedly shoots, easy to form leggy, seriously affecting flower bud formation and fruit setting, thus postponing the young peach tree commissioning period. In order to effectively control the growth of young peach vegetative growth, make it as soon as possible. From 1997 to 1999, the authors used paclobutrazol and B9 to control the vegetative growth of young peach trees, promote the differentiation of flower buds and increase the rate of fruit setting, and achieved preliminary results.