The results revealed that treatment with mannitol retarded cell senescence,enhanced the ability of cells to redifferentiation,and reduced the activities of both peroxidase and IAA oxid ase.

• 结果表明，甘露醇处理能延迟水稻细胞衰老，提高细胞再分化能力，降低细胞过氧化物酶和IAA氧化酶活性；