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盐胁迫下白蜡无性系苗期的耐盐性综合评价

闫文华 吴德军 燕丽萍 王因花 任飞 燕琳 刘婕 于林霖

闫文华, 吴德军, 燕丽萍, 王因花, 任飞, 燕琳, 刘婕, 于林霖. 盐胁迫下白蜡无性系苗期的耐盐性综合评价[J]. 北京林业大学学报, 2019, 41(11): 44-53. doi: 10.13332/j.1000-1522.20180438
引用本文: 闫文华, 吴德军, 燕丽萍, 王因花, 任飞, 燕琳, 刘婕, 于林霖. 盐胁迫下白蜡无性系苗期的耐盐性综合评价[J]. 北京林业大学学报, 2019, 41(11): 44-53. doi: 10.13332/j.1000-1522.20180438
Yan Wenhua, Wu Dejun, Yan Liping, Wang Yinhua, Ren Fei, Yan Lin, Liu Jie, Yu Linlin. Comprehensive evaluation of salt tolerance of clones of Fraxinusin spp. seedling stage under salt stress[J]. Journal of Beijing Forestry University, 2019, 41(11): 44-53. doi: 10.13332/j.1000-1522.20180438
Citation: Yan Wenhua, Wu Dejun, Yan Liping, Wang Yinhua, Ren Fei, Yan Lin, Liu Jie, Yu Linlin. Comprehensive evaluation of salt tolerance of clones of Fraxinusin spp. seedling stage under salt stress[J]. Journal of Beijing Forestry University, 2019, 41(11): 44-53. doi: 10.13332/j.1000-1522.20180438

盐胁迫下白蜡无性系苗期的耐盐性综合评价

doi: 10.13332/j.1000-1522.20180438
基金项目: “十二五”科技支撑计划专题(2013BAD01B06-6),林业知识产权转化运用项目(知2017-9),山东省科技发展计划项目(2014GNC111006)
详细信息
    作者简介:

    闫文华。主要研究方向:林木遗传育种。Email:1029412507@qq.com  地址:271018山东省泰安市岱宗大街61号山东农业大学林学院

    责任作者:

    燕丽萍,博士,高级工程师。主要研究方向:林木生物技术。Email:ylp_982@163.com  地址:250000 山东省济南市历下区文化东路42号山东省林业科学研究院

  • 中图分类号: S728.5

Comprehensive evaluation of salt tolerance of clones of Fraxinusin spp. seedling stage under salt stress

  • 摘要: 目的本研究通过对9个白蜡无性系的耐盐性进行综合评价,为探究白蜡无性系的耐盐能力,选育优良耐盐林木品种,利用生物措施提高土地生产力提供理论依据。方法以1年生白蜡无性系扦插盆栽苗为试验材料,对9个无性系在不同盐胁迫条件下(0、2、4、6、8 g/L)的生长与生理指标的变化进行研究。结果在盐胁迫下,各无性系的生长受到明显抑制,并且随着NaCl质量浓度增大,无性系的生长指标(苗高增量、地径增量、生物量累积)都呈现下降的趋势,无性系YL的下降幅度最为平缓;9个无性系中的叶绿素含量也随着盐质量浓度升高而下降,YL与其他无性系存在显著性差异(P < 0.05)。盐胁迫导致无性系体内细胞膜透性与MDA含量增大,但在同一盐质量浓度时,无性系YL与Y3低于其他无性系;当盐胁迫逐步增大时,脯氨酸、可溶性糖含量因无性系品种不同而呈现不同的趋势,其中在YL、L5、QB、L2、Y3无性系中一直处于增长状态,在其余4种无性系中呈现单峰曲线,最高值出现在盐质量浓度为6 g/L的处理中;SOD酶活性呈现先升高后下降的趋势,无性系YL酶活性最高,与其他无性系有显著性差异(P < 0.05)。结论本试验采用主成分分析法对9个白蜡无性系的耐盐性进行综合评价,耐盐能力大小依次为YL、Y3、L5、QB、JJ、JN11、HX、L2、J10,试验结果为白蜡耐盐无性系的选育提供理论基础和育种材料。

     

  • 图  1  NaCl胁迫对苗高增长量的影响

    J10、L2、L5、YL、Y3、JN11、JJ、HX、QB分别代表京10、鲁蜡2号、鲁蜡5号、盐蜡、盐3、胶南11、金箭、华雄、青碧。不同小写字母表示同一处理不同无性系间差异显著(P < 0.05)。下同。J10, L2, L5, Y3, JN11, YL, JJ, HX, QB represent Fraxinus velutina ‘Jing10’, Fraxinus velutina ‘Lula2’、Fraxinus pennsylvanica ‘Lula5’, Fraxinus velutina ‘Yanla’, Fraxinus velutina ‘Yan3’, Fraxinus velutina ‘Jiaonan11’, Fraxinus velutina ‘Jinjian’, Fraxinus velutina ‘Huaxiong’, Fraxinus velutina ‘Qinbi’. Different letters within the same column indicate significant difference at P < 0.05 level. The same as below.

    Figure  1.  Effects of NaCl stress on seedling height growth

    图  2  NaCl 胁迫对地径增长量的影响

    Figure  2.  Effects of NaCl stress on basal diameter increment

    图  3  NaCl 胁迫对生物量的影响

    Figure  3.  Effects of NaCl stress on biomass

    图  4  NaCl胁迫对可溶性糖与脯氨酸含量的影响

    Figure  4.  Effects of NaCl stress on the contents of soluble sugar and proline

    表  1  NaCl胁迫下各无性系细胞膜透性

    Table  1.   Effects of NaCl stress on membrane permeability of clones

    无性系 CloneNaCl 质量浓度 NaCl mass concentration
    0 g/L2 g/L4 g/L6 g/L8 g/L
    L2 34.25 ± 7.23abc 39.62 ± 1.28b 44.49 ± 3.11bc 49.22 ± 3.3b 53.21 ± 5.38cde
    YL 33.52 ± 1.07bc 36.52 ± 1.08b 38.30 ± 1.35d 40.63 ± 1.87bc 42.89 ± 2.61e
    L5 35.00 ± 0.55ab 47.34 ± 0.83a 51.33 ± 1.78ab 56.00 ± 2.72a 60.25 ± 4.42bcd
    J10 30.41 ± 7.72c 45.92 ± 9.68a 54.07 ± 12.23a 61.87 ± 15.01a 71.36 ± 19.94a
    QB 36.69 ± 1.12a 49.63 ± 1.96a 53.88 ± 3.13a 58.92 ± 4.59a 64.00 ± 7.08abc
    JN11 27.46 ± 0.79c 30.80 ± 0.88c 35.00 ± 3.08d 39.55 ± 3.26c 44.21 ± 4.75e
    JJ 33.60 ± 0.82bc 46.56 ± 2.93a 51.18 ± 3.38abc 54.23 ± 3.73a 57.97 ± 5.10bcd
    HX 32.19 ± 1.19bc 49.38 ± 4.34a 55.38 ± 6.84a 61.47 ± 9.84a 67.18 ± 10.92ab
    Y3 27.66 ± 1.22c 40.52 ± 2.97b 43.87 ± 2.46cd 46.67 ± 3.80b 49.85 ± 2.24de
    注:同列中字母不同表示差异显著(P < 0.05)。下同。Notes: different letters within the same column indicate significant difference at P < 0.05 level. The same as below.
    下载: 导出CSV

    表  2  NaCl胁迫下各无性系MDA含量

    Table  2.   MDA content of clones under NaCl stress

    无性系 CloneNaCl 质量浓度 NaCl mass concentration
    0 g/L2 g/L4 g/L6 g/L8 g/L
    L2 1.84 ± 0.26abc 1.9 ± 0.24ab 2.21 ± 0.49ab 2.42 ± 0.23ab 2.75 ± 0.18bc
    YL 1.43 ± 0.19bc 1.57 ± 0.4b 1.8 ± 0.36b 2.01 ± 0.19b 2.19 ± 0.49cd
    L5 1.8 ± 0.18abc 2.21 ± 0.1ab 2.41 ± 0.28ab 2.51 ± 0.43ab 2.91 ± 0.71bc
    J10 2.32 ± 0.32a 2.38 ± 0.41a 2.71 ± 0.6a 3.11 ± 0.51a 3.69 ± 0.33a
    QB 1.39 ± 0.26c 1.81 ± 0.44ab 2.21 ± 0.49ab 2.52 ± 0.46ab 1.92 ± 0.4d
    JN11 1.61 ± 0.21bc 2.05 ± 0.42ab 2.13 ± 0.46ab 2.42 ± 0.51ab 2.49 ± 0.81bcd
    JJ 1.67 ± 0.41bc 2.05 ± 0.42ab 2.23 ± 0.45ab 2.29 ± 0.63b 1.8 ± 0.53d
    HX 2.02 ± 0.51ab 2.16 ± 0.81ab 2.37 ± 0.81ab 2.75 ± 0.66ab 3.11 ± 0.47ab
    Y3 1.64 ± 0.84bc 1.88 ± 0.37ab 2.29 ± 0.64ab 2.02 ± 0.76b 1.94 ± 0.68d
    下载: 导出CSV

    表  3  NaCl胁迫下各无性系叶绿素含量

    Table  3.   Chlorophyll content of clones under NaCl stress

    无性系 CloneNaCl 质量浓度 NaCl mass concentration
    0 g/L2 g/L4 g/L6 g/L8 g/L
    L28.35 ± 1.17def7.03 ± 1.28cde6.48 ± 0.94bcd5.64 ± 2.53b4.93 ± 2.77bc
    YL12.02 ± 1.45a9.68 ± 0.56a8.82 ± 1.00a8.33 ± 1.22a7.51 ± 1.64a
    L59.41 ± 0.13bc9.01 ± 1.12ab7.69 ± 0.62ab6.53 ± 0.87ab5.65 ± 0.72abc
    J107.59 ± 0.50f6.91 ± 0.88cde5.78 ± 0.68cd4.92 ± 2.16b3.69 ± 1.6c
    QB8.85 ± 0.34cd8.46 ± 1.75abc7.65 ± 1.91ab6.69 ± 1.63ab5.58 ± 1.8abc
    JN117.73 ± 0.61ef6.46 ± 1.48de6.18 ± 1.87bcd5.39 ± 1.18b4.08 ± 0.97bc
    JJ8.65 ± 0.65cde7.9 ± 1.49bcd6.66 ± 1.56bcd5.92 ± 2.68b5.55 ± 2.33abc
    HX8.12 ± 0.33def6.22 ± 1.3e5.34 ± 0.47d5.1 ± 1.63b4.44 ± 1.12bc
    Y310.22 ± 0.52b8.02 ± 0.9bcd7.31 ± 1.16abc6.62 ± 0.98ab6.05 ± 1ab
    下载: 导出CSV

    表  4  NaCl胁迫下各无性系SOD活性

    Table  4.   SOD Activity of clones under NaCl stress

    无性系 CloneNaCl 质量浓度 NaCl mass concentration
    0 g/L2 g/L4 g/L6 g/L8 g/L
    L283.99 ± 24.68cd121.06 ± 19.89cd140.23 ± 7.37cd167.16 ± 28.4cd83.45 ± 17.44c
    YL234.03 ± 26.86a244.35 ± 22.03a292.56 ± 19.37a304.28 ± 21.34a241.9 ± 12.16a
    L5126.71 ± 24.6bc185.51 ± 25.11b170.24 ± 21.33bcd211.15 ± 7.25bc115.48 ± 17.42bc
    J10J67.72 ± 18.02d103.07 ± 16.84d127.32 ± 14.95d145.27 ± 20.24cd74.6 ± 22.91c
    QB130.01 ± 28.94bc159.21 ± 29.53bcd199.07 ± 25.05bc214.86 ± 36.12bc158.42 ± 23.05b
    JN11118.63 ± 18.99bcd149.76 ± 12.91bcd168.7 ± 33.15bcd182.17 ± 21.41bcd111.09 ± 18.25bc
    JJ110.05 ± 12.18cd120.79 ± 11.73cd149.78 ± 26.15cd162.21 ± 11.65cd107.76 ± 19.77bc
    HX72.43 ± 11.81d103.17 ± 11.91d133.1 ± 18.72cd128.57 ± 17.43d66.17 ± 27.41c
    Y3104.26 ± 5.23b136.92 ± 15.26bc158.03 ± 16.65b174.04 ± 12.59ab105.59 ± 18.07b
    下载: 导出CSV

    表  5  NaCl胁迫下白蜡无性系各指标间相关性分析

    Table  5.   Correlation analysis of various indicators of clones to NaCl stress

    指标 IndexX1X2X3X4X5X6X7X8X9
    X1 1
    X2 0.883** 1
    X3 0.661** 0.644** 1
    X4 0.551** 0.552** 0.493** 1
    X5 − 0.086 − 0.129 − 0.189* − 0.605** 1
    X6 − 0.315* − 0.272 − 0.168 − 0.873** 0.607** 1
    X7 − 0.292** − 0.238 − 0.288* − 0.845* − 0.759** 0.873** 1
    X8 − 0.538** − 0.459** 0.530** 0.266* − 0.125 0.191 0.349 1
    X9 − 0.485* − 0.445** − 0.392** − 0.745** 0.618** − 0.646** − 0.689** 0.867** 1
    注:X1. 苗高增量;X2. 地径增量;X3. 生物量;X4. 叶绿素;X5. 细胞膜透性. X6. 丙二醛;X7. 脯氨酸;X8. 可溶性糖;X9. 超氧化物歧化酶活性(SOD)。下同。**表示在P < 0.01水平上差异极显著,*表示在P < 0.05水平上差异显著。Notes: X1, height increment; X2, basal diameter increment; X3, biomass; X4, chlorophyll; X5, membrane permeability; X6, MDA; X7, proline; X8, soluble sugar; X9, SOD. The same below. ** indicates significant difference at P < 0.01 level, * indicates significant difference at P < 0.05 level.
    下载: 导出CSV

    表  6  NaCl胁迫下无性系各指标主成分分析

    Table  6.   Principal component analysis of clones under salt stress

    测定指标 Measured index主成分 Principal components
    6 g/L8 g/L
    Prin1Prin2Prin1 Prin2Prin3
    特征值 Characteristic value 6.313 1.231 5.789 1.131 0.764
    累计贡献率 Cumulative contribution rate/% 70.142 83.822 64.318 78.884 87.371
    苗高增量 Height increment 0.860 0.202 0.902 0.285 0.246
    地径增量 Basal diameter increment 0.917 0.157 0.902 0.285 0.246
    生物量 biomass 0.885 0.017 0.971 − 0.021 0.125
    叶绿素 Chlorophyll 0.973 0.166 0.917 0.126 − 0.028
    细胞膜透性 Membrane permeability − 0.629 0.752 − 0.770 0.314 0.261
    脯氨酸 Proline − 0.704 − 0.617 − 0.669 0.526 0.213 2
    可溶性糖 Soluble sugar − 0.775 0.246 − 0.452 0.753 0.207
    超氧化物岐化酶 SOD 0.915 0.032 0.867 0.068 − 0.045
    丙二醛 MDA 0.819 − 0.360 0.618 − 0.430 − 0.622
    下载: 导出CSV

    表  7  主成分值

    Table  7.   Principal component value

    项目 ItemL2YLL5J10QBJN11JJHXY3
    6 g/L 主成分值 6 g/L Principal component value − 6.711 32.625 11.186 − 3.325 10.766 − 1.189 1.674 − 2.495 11.259
    8 g/L 主成分值 8 g/L Principal component value 6.325 35.632 11.980 − 1.233 10.054 9.738 7.510 2.499 12.459
    平均值 Average value − 0.193 34.128 11.583 − 2.279 10.410 4.275 4.592 0.002 11.859
    排序 Sort 8 1 3 9 4 6 5 7 2
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-01-03
  • 修回日期:  2019-03-29
  • 网络出版日期:  2019-11-01
  • 刊出日期:  2019-11-01

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