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不同品种花生接种条纹病毒后叶片内过氧化物酶和超氧化物歧化酶的变化

DOI: 10.3321/j.issn:1000-7091.1998.03.018, PP. 91-96

Keywords: 花生,品种,条纹病毒,过氧化物酶,超氧化物歧化酶

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Abstract:

对3个感病程度不同的花生品种的研究表明,接种后各品种花生植株叶片内POD活性明显提高,随着症状的出现,POD表现出显着的活性高峰,并出现了4条新的同工酶带,而原有的1条迁移率为0.38的谱带消失。接种初期,花生叶片内SOD活性有所提高,但高感品种接种8d后SOD活性低于健康对照,而耐病品种接种后12d才略低于对照。各处理之间SOD同工酶谱带数相同,发病株的迁移率为0.41的谱带较弱。

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