So the activity of SOD, POD, CAT and the content of MDA, Proline, the electrical conductance reveal the difference of physiological adaptation in different varieties.

• SOD、POD、CAT活性和丙二醛含量、游离脯氨酸含量、细胞膜相对透性可用来说明旱稻品种之间的抗旱生理适应性的差异。