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青海省6种高寒禾本科牧草的耐盐性

李京蓉, 马真, 刘泽华, 乔安海, 邓艳芳, 王文颖, 姚步青, 杨正荣, 张春辉, 周华坤

李京蓉,马真,刘泽华,乔安海,邓艳芳,王文颖,姚步青,杨正荣,张春辉,周华坤. 青海省6种高寒禾本科牧草的耐盐性. 草业科学, 2019, 36(2): 442-449 . DOI: 10.11829/j.issn.1001-0629.2018-0128
引用本文: 李京蓉,马真,刘泽华,乔安海,邓艳芳,王文颖,姚步青,杨正荣,张春辉,周华坤. 青海省6种高寒禾本科牧草的耐盐性. 草业科学, 2019, 36(2): 442-449 . DOI: 10.11829/j.issn.1001-0629.2018-0128
LI J R, MA Z, LIU Z H, QIAO A H, DENG Y F, WANG W Y, YAO B Q, YANG Z R, ZHANG C H, ZHOU H K. Salt resistance of six alpine grass species in Qinghai Province. Pratacultural Science, 2019, 36(2): 442-449 . DOI: 10.11829/j.issn.1001-0629.2018-0128
Citation: LI J R, MA Z, LIU Z H, QIAO A H, DENG Y F, WANG W Y, YAO B Q, YANG Z R, ZHANG C H, ZHOU H K. Salt resistance of six alpine grass species in Qinghai Province. Pratacultural Science, 2019, 36(2): 442-449 . DOI: 10.11829/j.issn.1001-0629.2018-0128

青海省6种高寒禾本科牧草的耐盐性

基金项目: 国家重点研发计划( 2016YFC0501901);青海省自然科学基金项目(2016-ZJ-910、2015-ZJ-919Q);省部共建三江源生态与高原农牧业国家重点实验室开放研究项目(2017-KF-02、2017-ZZ-11);青海省创新平台建设专项(2017-ZJ-Y20、2016-ZJ-Y01);国家自然科学基金项目(31672475、31472135、31702163、31600335、31860668);中国科学院科技服务网络计划(STS计划KFJ-STS-ZDTP-036);2017年度青海三江源生态保护和建设二期工程科研和推广(2017-S-1)
摘要: 本研究通过对6种禾本科高寒牧草同德贫花鹅观草(Roegneria pauciflora Tongde)、草原看麦娘(Alopecurus pratensis)、大颖草(Roegneria grandiglumis)、无芒雀麦(Bromus inermis)、扁穗冰草(Agropyron cristatum)和同德短芒披碱草(Elymus breviaristatus Tongde)萌发期及幼苗期分别进行不同浓度的NaCl溶液处理,测定其萌发期的发芽率和幼苗期的脯氨酸含量、叶绿素含量、丙二醛(MDA)含量、可溶性糖含量以及游离脯氨酸(PRO)含量。结果表明,随着NaCl浓度的增加,6种禾本科牧草叶片中的脯氨酸含量和MDA含量随之增加,而叶绿素和可溶性糖含量呈先升后降的变化。运用隶属函数对6种禾本科牧草萌发期及幼苗期的耐盐性进行综合评价分析。6种禾本科牧草的耐盐性依次为无芒雀麦 > 草原看麦娘 > 大颖草 > 同德短芒披碱草 > 扁穗冰草 > 同德贫花鹅观草。

 

English

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  • 图  1   不同NaCl浓度处理下6种牧草的萌发率

    不同小写字母表示同一物种不同NaCl浓度间差异显著(P < 0.05),不同大写字母表示同一NaCl浓度下不同物种间差异显著(P < 0.05)。下同。

    Figure  1.   Germination rate of 6 pastures under different NaCl concentrations

    Different lowercase letters within the same species indicate significant difference between different NaCl concentrations at the 0.05 level, and different capital letters within the same NaCl concentration indicate significant difference between different species at the 0.05 level; similarly for the following tables.

    表  1   供试材料

    Table  1   Test materials

    材料 Material 来源 Source
    同德贫花鹅观草 Roegneria pauciflora Tongde 青海省牧草良种繁殖场 Qinghai Province Pasture Breeding Farm
    草原看麦娘 Alopecurus pratensis 青海省草原总站 Qinghai Provincial Grassland Station
    无芒雀麦 Bromus inermis 青海省草原总站 Qinghai Provincial Grassland Station
    大颖草 Roegneria grandiglumis 青海省草原总站 Qinghai Provincial Grassland Station
    扁穗冰草 Agropyron cristatum 青海省草原总站 Qinghai Provincial Grassland Station
    同德短芒披碱草 Elymus breviaristatus Tongde 青海省牧草良种繁殖场 Qinghai Province Pasture Breeding Farm
    下载: 导出CSV

    表  2   不同NaCl浓度处理下6种牧草丙二醛含量

    Table  2   MDA content of six grass species under NaCl treatment

    μmol·g–1
    物种 Species NaCl浓度 NaCl concentration
    0 mmol·L–1 50 mmol·L–1 100 mmol·L–1 150 mmol·L–1 200 mmol·L–1 平均 Average
    3.66 ± 0.02Be 7.84 ± 0.02Bd 12.18 ± 0.02Ac 33.27 ± 0.02Ab 45.63 ± 0.01Aa 20.52 ± 0.02A
    4.13 ± 0.01Ae 8.63 ± 0.02Ad 11.36 ± 0.02Bc 23.63 ± 0.02Cb 35.28 ± 0.01Ca 16.61 ± 0.02B
    3.74 ± 0.00Be 8.33 ± 0.02Bd 10.54 ± 0.02Cc 21.86 ± 0.03Cb 30.43 ± 0.03Da 14.98 ± 0.03C
    3.85 ± 0.04Be 7.46 ± 0.02Bd 10.94 ± 0.02Cc 27.28 ± 0.01Bb 39.45 ± 0.03Ba 17.68 ± 0.03B
    3.44 ± 0.03Ce 7.28 ± 0.02Cd 11.37 ± 0.03Bc 31.43 ± 0.02Ab 42.36 ± 0.03Aa 19.17 ± 0.03A
    3.17 ± 0.02Ce 7.32 ± 0.03Cd 11.46 ± 0.02Ac 24.84 ± 0.04Bb 37.45 ± 0.02BCa 16.85 ± 0.03B
     Ⅰ:同德贫花鹅观草 Roegneria pauciflora Tongde;Ⅱ:草原看麦娘 Alopecurus pratensis;Ⅲ:无芒雀麦 Bromus inermis;Ⅳ:大颖草 Roegneria grandiglumis;Ⅴ:扁穗冰草 Agropyron cristatum;Ⅵ:同德短芒披碱草 Elymus breviaristatus Tongde。下同Similarly for the following tables.
    下载: 导出CSV

    表  3   NaCl处理下6种牧草叶绿素含量的变化

    Table  3   Changes of chlorophyll content of six grass species under NaCl treatment

    μg·g–1
    物种 Species NaCl浓度 NaCl concentration
    0 mmol·L–1 50 mmol·L–1 100 mmol·L–1 150 mmol·L–1 200 mmol·L–1 平均 Average
    3.41 ± 0.01Dc 3.90 ± 0.01Da 3.55 ± 0.02Db 2.97 ± 0.02Dd 0.53 ± 0.01De 3.08 ± 0.01D
    5.40 ± 0.02Bc 7.95 ± 0.01Ba 6.34 ± 0.03Bb 3.62 ± 0.01Bd 2.73 ± 0.01Be 5.21 ± 0.02B
    7.42 ± 0.01Ac 9.24 ± 0.02Aa 8.77 ± 0.01Ab 4.23 ± 0.02Ad 3.94 ± 0.03Ae 6.72 ± 0.02A
    3.70 ± 0.01Cc 5.43 ± 0.02Ca 4.57 ± 0.02Cb 3.07 ± 0.01Cd 1.50 ± 0.02Ce 3.69 ± 0.02C
    3.63 ± 0.02Dc 4.56 ± 0.01Da 3.98 ± 0.02Db 3.02 ± 0.01Dd 1.07 ± 0.02De 3.14 ± 0.02D
    4.07 ± 0.02Cc 5.36 ± 0.02Ca 4.55 ± 0.01Cb 3.77 ± 0.02Cd 1.60 ± 0.02Ce 3.85 ± 0.02C
    下载: 导出CSV

    表  4   NaCl处理下 6 种牧草可溶性糖含量的变化

    Table  4   Changes of soluble sugar content of six grass species under NaCl treatment

    mmol·g–1
    物种 Species NaCl浓度 NaCl concentration
    0 mmol·L–1 50 mmol·L–1 100 mmol·L–1 150 mmol·L–1 200 mmol·L–1 平均 Average
    7.26 ± 0.02Dd 7.51 ± 0.02Dc 10.96 ± 0.02Da 8.74 ± 0.01Db 4.97 ± 0.01De 7.89 ± 0.02D
    11.45 ± 0.01Ad 12.75 ± 0.03Ab 14.95 ± 0.01Ba 12.47 ± 0.02Bc 9.33 ± 0.01Be 12.19 ± 0.02B
    10.45 ± 0.00Bd 12.67 ± 0.02Bc 20.15 ± 0.01Aa 14.69 ± 0.03Ab 10.23 ± 0.02Ae 13.64 ± 0.02A
    9.08 ± 0.01Cd 11.23 ± 0.02Cc 14.03 ± 0.02Ca 11.79 ± 0.01Cb 5.39 ± 0.01Ce 10.30 ± 0.01C
    7.43 ± 0.02Dd 8.88 ± 0.01Dc 11.34 ± 0.02Da 9.37 ± 0.02Db 2.77 ± 0.02De 7.96 ± 0.02D
    8.98 ± 0.01Cd 10.63 ± 0.02Cc 12.99 ± 0.00Ca 10.96 ± 0.01Cb 5.77 ± 0.02Ce 9.87 ± 0.02C
    下载: 导出CSV

    表  5   NaCl处理下 6 种牧草脯氨酸含量的变化

    Table  5   Changes of proline content of six grass species under NaCl treatment

    μg·g–1
    物种 Species NaCl浓度 NaCl concentration
    0 mmol·L–1 50 mmol·L–1 100 mmol·L–1 150 mmol·L–1 200 mmol·L–1 平均 Average
    3.44 ± 0.00Ce 8.73 ± 0.02Ad 9.84 ± 0.02Cc 14.46 ± 0.03Cb 20.57 ± 0.03Ca 11.81 ± 0.02C
    3.54 ± 0.03Be 7.88 ± 0.02Bd 11.67 ± 0.01Ac 18.46 ± 0.02Ab 25.37 ± 0.02Aa 13.38 ± 0.02A
    3.86 ± 0.02Be 7.74 ± 0.02Bd 12.78 ± 0.02Ac 17.38 ± 0.02Ab 27.04 ± 0.01Aa 13.76 ± 0.02A
    3.45 ± 0.03Ce 7.66 ± 0.02Bd 10.84 ± 0.02Bc 17.18 ± 0.01Bb 24.36 ± 0.03Ba 12.67 ± 0.02B
    4.33 ± 0.01Ae 8.23 ± 0.02Ad 11.86 ± 0.02Bc 15.73 ± 0.03Bb 20.14 ± 0.16Ba 12.06 ± 0.05B
    3.47 ± 0.02Ce 7.45 ± 0.03Cd 11.76 ± 0.02Bc 16.46 ± 0.03Bb 23.98 ± 0.05Ba 12.62 ± 0.04B
    下载: 导出CSV

    表  6   各牧草对NaCl处理适应指标的隶属函数值及评价

    Table  6   Membership value and evaluation of adaptation indexes of herbage to NaCl treatment

    物种
    Grass species
    发芽率
    Germination rate
    MDA 含量
    MDA content
    叶绿素
    Chlorophyll
    可溶性糖
    Soluble sugar
    脯氨酸
    Proline
    总隶属函数值
    Total membership
    function value
    排序
    Sort
    同德贫花鹅观草
    Roegneria pauciflora Tongde
    0.337 0.119 0.438 0.443 0.475 0.362 6
    草原看麦娘
    Alopecurus pratensis
    0.387 0.182 0.528 0.514 0.462 0.415 2
    无芒雀麦
    Bromus inermis
    0.424 0.197 0.598 0.475 0.537 0.446 1
    大颖草
    Roegneria grandiglumis
    0.363 0.165 0.476 0.481 0.572 0.411 3
    扁穗冰草
    Agropyron cristatum
    0.361 0.129 0.447 0.454 0.514 0.381 5
    同德短芒披碱草
    Elymus breviaristatus Tongde
    0.355 0.143 0.488 0.472 0.498 0.391 4
    下载: 导出CSV
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  • 通讯作者: 周华坤
  • 收稿日期:  2018-03-06
  • 接受日期:  2018-06-10
  • 网络出版日期:  2019-05-19
  • 发布日期:  2019-01-31

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