G-6-PDH and 6-PGDH activitiesenhanced and them in flower bud were higher.

• 葡萄糖-6-磷酸脱氢酶和6-磷酸葡萄糖酸脱氢酶(G-6-PDH 和 6-PGDH)联合活性不断上升,花芽中几种酶活性均高于叶芽。