Spermine(Spm)and putrescine(Put)content were significantly higher than cadavarine(Cad)and spermidine(Spd)during rhizome development.

• 精胺(Spm)和腐胺(Put)在膨大过程中含量高,尸胺(Cad)和亚精胺(Spd)含量较低。