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多效唑对二年生桃实生苗花芽形成有显著的促进作用，其中萌芽前土施０１ｇ／株和５月中旬叶面喷施１０００ｍｇ／ｌ和２０００ｍｇ／ｌ能使所有处理植株形成花芽，且单株平均花芽量明显提高。多效唑还降低了桃实生苗的童程。不同处理方法、时期和浓度对桃实生苗成花的作用存有差异。多效唑强烈抑制了桃实生苗的营养生长，其抑制作用随浓度的提高而增强。
Paclobutrazol significantly promoted the flower bud formation of perennial peach seedlings, with 01 g / plant soil before germination and 1000 mg / l and 2000 mg / l foliar spray in the middle of May, The average flower bud volume increased significantly. Paclobutrazol has also reduced the child Cheng Tao seedlings. The effects of different treatments, periods and concentrations on the flowering of peach seedlings were different. Paclobutrazol strongly inhibited the vegetative growth of peach seedlings and its inhibitory effect increased with increasing concentration.