On the basis of applying Robertson Navel (madarin rootstock ten years) as an testing material, the effects of HC-3 and phosphate on changing organic acid content in fruit and enzyme activities related to organic acid metabolize are studied.

• 以红桔砧 10年生罗伯逊脐橙为试材 ,研究了HC - 3和磷酸盐处理对果实发育过程中有机酸代谢中酶活性变化及有机酸含量的影响。