When the callus was transfer- red to the MS basal media added to NAA(0.1 ppm)and Ze(0.25 ppm), the differentiation of shoots or roots began to occur.

• 将愈伤组织转移到 MS基本培养基附加 Ze(0·25ppm)及 NAA(0·lppm)培养基上,分化茎或根。