Under different culture conditions CAT activity in the cotyledons and radicles had a tread of decrease with prolongation of culture time,while POD activity had a tread of increase.

• 不同培养条件下,随着培养时间的延长,子叶和胚根中的过氧化氢酶活性呈下降趋势,而过氧化物酶活性呈上升趋势。