The results show that the cytomembrane permeability, MDA content, SOD and POD activity are all more or less changed under drought stress although the extent and process of variation is different.

• 结果表明，干旱胁迫下3个树种幼苗的细胞膜透性、MDA及SOD，POD酶活性都发生了变化，只是变化的幅度和进程不同。