The results indicated that membrane permeability,POD activity and the content of MDA increased,while SOD and CAT activities decreased in leaves of zucchini seedlings as the stress degree increased or the time prolonged.

• 结果表明:随着低温弱光胁迫程度增加和时间延长,西葫芦幼苗叶片POD活性提高,SOD和CAT活性下降,MDA含量增加,细胞膜透性增大。