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作 者 ：张亚冰  刘崇怀  孙海生  马锋旺

期 刊 ：西北植物学报 2006年 8期

关键词：NaCl胁迫；耐盐性；葡萄砧木；MDA；Pro；

Keywords:NaCl stress, salt tolerance, grape rootstock, MDA, proline,

摘 要 ：采用水培法,对3个不同耐盐性葡萄砧木品种的1年生苗进行不同浓度的NaCl胁迫处理,研究叶片中丙二醛(MDA)和脯氨酸(Pro)含量的变化.结果表明,在NaCl胁迫下,不同耐盐性葡萄砧木品种的MDA和Pro含量变化不同.NaCl胁迫对高抗品种ZM01-1的MDA含量影响较小,MDA含量处于一个比较稳定的水平,而其它品种的MDA变化幅度大;NaCl胁迫下Pro含量呈波动式变化,在0.1%NaCl胁迫下高抗品种ZM01-1的Pro积累少,0.3%NaCl下ZM01-1的Pro积累多.研究认为可以把MDA含量的相对稳定作为葡萄耐盐性鉴定的辅助指标,而Pro不宜作为葡萄耐盐性鉴定指标.

Abstract:One-year-old seedling of three rootstock varieties of grape with different salt tolerances,which were hydroponically cultured,were treated with NaCl at different concentrations to examine how the MDA and proline contents varied in the leaves.It was shown

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