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F A 旱地龙能减缓土壤缺水干旱胁迫下秧苗叶片相对含水量的减少,明显提高秧苗的抗旱性。在干旱胁迫过程中,经 F A 旱地龙处理的秧苗叶片中 S O D、 C A T 活性和抗坏血酸、脯氨酸的含量明显高于对照; M D A 含量则低于对照。这些结果表明,减缓干旱胁迫条件下秧苗叶片 S O D、 C A T 活性和抗坏血酸含量的降低,促进脯氨酸的积累,减少 M D A 的积累,是 F A 旱地龙提高旱育秧苗抗旱能力的重要生理基础。
F A dryland dragons can reduce soil water stress under drought stress reduce the relative water content of leaves, significantly improve seedling drought resistance. During the drought stress, the activities of SOD, CAT, and the contents of ascorbic acid and proline in the leaves of the seedlings treated with FAD dryland were significantly higher than those of the control. The content of M D A was lower than that of the control. These results indicate that the activities of S O D, C A T and the ascorbic acid content of seedling leaves under the reduced drought stress conditions promote the accumulation of proline and reduce the accumulation of M D A, The important physiological basis.