Results showed that the activity of superoxide dismutase, peroxidase, catalase increased obviously, which indicated they are important components of the protective enzyme system.

• 结果显示在干旱胁迫下大豆根中超氧化物歧化酶、过氧化物酶、过氧化氢酶活性显著增加，是大豆植株保护酶系统的重要组成部分；