The content of MDA had negative correlation with activity of SOD during stress, which is the indication of SOD in quenching activated oxygen radicals and protecting structure of cellular membrane.

• 胁迫过程中SOD活性与MDA含量呈极显著负相关，有力地说明了SOD在干旱胁迫下对活性氧的清除和对细胞膜结构的保护作用。