The PSR granule and Liquid treatments decreased the ratios of the acid and neutral invertase activities for the varity ROC 10, and that at the middle processing maturing stage for the variety GT17.

• 对ROC10，PSR液剂与PSR颗粒处理测定的酸性与中性转化酶活性比在整个成熟期比对照低，对GT17只在成熟中期比对照低，而对Rocl6则是在成熟后期比对照低。