【摘要】 微量元素和生长调节剂以适宜浓度混合，分４次进行叶面喷施。结果表明，８月２日的处理对果实品质的影响最明显：总糖含量、糖酸比、花青苷含量、微生素Ｃ及硬度分别比对照增加１７．６％、２６．６％、１４．１％、２１．７％和１４．２％。不同时期的处理对产量性状的影响呈单峰曲线，高峰在７月１８日更多还原

【Abstract】 Trace elements and growth regulators were sprayed on June18, July 2 July18 and August2 respectively. The result indicated that the treatment on Augus 2 improved fruit quality. Souble sugor、sugar/acid、anthocyanin、vitamin C and hardness of the fruit were increased by 17.6%、26.6%、14.1%、21.7%、14.2% over those of control respectively; and that the treatment on July 18 increased yield apparently.更多还原