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以自行制备的3种激发子对杨树愈伤组织进行诱导,结果表明过氧化物酶(POD)、多酚氧化酶(PPO)、过氧化氢酶(CAT)和超氧化物歧化酶(SOD)均能被有效诱导,POD活性在诱导处理后8~10 h出现最高峰;PPO活性在诱导处理后3.5 h出现最高峰;CAT活性在诱导处理后2 h出现最高峰而SOD活性则在2.5 h出现峰值。
The results showed that the activities of peroxidase (POD), polyphenol oxidase (PPO), catalase (CAT) and superoxide dismutase (SOD) POD activity peaked at 8-10 h after induction; PPO activity peaked 3.5 h after induction treatment; CAT activity peaked at 2 h after induction and SOD activity appeared at 2.5 h Peak.