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对甜樱桃黄玉于盛花后７ｄ采用４０、６０、８０ｍｇ·ｌ~(-１)的赤霉素（ＧＡ）涂抹幼果，结果表明，上述ＧＡ各浓度处理使黄玉果实成熟期依次提早３、５、９ｄ，其中以６０ｍｇ·ｌ~(-１)ＧＡ的处理效果较好。在一定浓度范围内，随ＧＡ浓度提高有使果形指数增大、果肉硬度减小的趋势。ＧＡ处理对增大果实、果重的效果不明显，而且８０ｍｇ·ｌ~(-１)ＧＡ处理的单果重还明显减小，仅为对照的８３．２％。
On the 7th day after flowering, sweet cherry topaz was applied with 40, 60 and 80 mg · L -1 gibberellin (GA) to apply young fruits. The results showed that the above GA treatments increased the ripening time of topaz , 9d, of which 60mg · l ~ (-1) GA treatment effect is better. In a certain concentration range, with the increase of GA concentration, the fruit shape index increases, the tendency of the fruit firmness decreases. The effect of GA treatment on fruit weight and fruit weight was not obvious, and the fruit weight of 80 mg · L -1 GA treatment decreased obviously, only 83.2% of the control.