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    马学萍, 刘开全, 和云, 刘永琼. 烟草与TMV 非亲和性互作中根系活力及CAT活性变化[J]. 中国烟草科学, 2012, 33(1): 78-80. DOI: 10.3969/j.issn.1007-5119.2012.01.017
    引用本文: 马学萍, 刘开全, 和云, 刘永琼. 烟草与TMV 非亲和性互作中根系活力及CAT活性变化[J]. 中国烟草科学, 2012, 33(1): 78-80. DOI: 10.3969/j.issn.1007-5119.2012.01.017
    shu
    MA Xueping, LIU Kaiquan, HE Yun, LIU Yongqiong. The Changes of Root Vigor and CAT Activity in Non-affinity Interaction between Tobacco and TMV[J]. CHINESE TOBACCO SCIENCE, 2012, 33(1): 78-80. DOI: 10.3969/j.issn.1007-5119.2012.01.017
    Citation: MA Xueping, LIU Kaiquan, HE Yun, LIU Yongqiong. The Changes of Root Vigor and CAT Activity in Non-affinity Interaction between Tobacco and TMV[J]. CHINESE TOBACCO SCIENCE, 2012, 33(1): 78-80. DOI: 10.3969/j.issn.1007-5119.2012.01.017
    shu

    烟草与TMV 非亲和性互作中根系活力及CAT活性变化

    The Changes of Root Vigor and CAT Activity in Non-affinity Interaction between Tobacco and TMV

      摘要
    • 摘要: 漂盘培育枯斑三生烟,苗期接种TMV后3、7、11、15、19、23、27、31 d 分别取样测定其根系的活力和过氧化氢酶活性,并以未接种TMV烟苗根系活力和过氧化氢酶活性为对照。结果表明,枯斑三生烟接种病毒后,其根系CAT活性值与取样时间有较强的负相关性(r= -0.9,p < 0.01)。根系活力最初迅速升高,之后又逐渐降低呈平稳趋势。

       

      Abstract: The root vigor and CAT activity of Nicotiana tabacum cv. ‘Samsun NN ’ inoculated TMV were investigated in different time. The result showed that within one month, CAT activity value of its root system and sampling time had a strong negative correlation (r = -0.9, p <0.01). The root vigor of its root system were abruptly increased first, and later decreased to the trend of smooth.

       

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