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紫雨桦杂交子代苗期生长及叶色性状的变异

刘宣晨 贾红涛 顾宸瑞 宋淑媛 计家宝 马立新 祝清超 刘桂丰

刘宣晨, 贾红涛, 顾宸瑞, 宋淑媛, 计家宝, 马立新, 祝清超, 刘桂丰. 紫雨桦杂交子代苗期生长及叶色性状的变异[J]. 北京林业大学学报. doi: 10.12171/j.1000-1522.20210133
引用本文: 刘宣晨, 贾红涛, 顾宸瑞, 宋淑媛, 计家宝, 马立新, 祝清超, 刘桂丰. 紫雨桦杂交子代苗期生长及叶色性状的变异[J]. 北京林业大学学报. doi: 10.12171/j.1000-1522.20210133
Liu Xuanchen, Jia Hongtao, Gu Chenrui, Song Shuyuan, Ji Jiabao, Ma Lixin, Zhu Qingchao, Liu Guifeng. Variation of growth and leaf color traits of Betula pendula ‘Purple Rain’ hybrid offsprings at seedling stage[J]. Journal of Beijing Forestry University. doi: 10.12171/j.1000-1522.20210133
Citation: Liu Xuanchen, Jia Hongtao, Gu Chenrui, Song Shuyuan, Ji Jiabao, Ma Lixin, Zhu Qingchao, Liu Guifeng. Variation of growth and leaf color traits of Betula pendula ‘Purple Rain’ hybrid offsprings at seedling stage[J]. Journal of Beijing Forestry University. doi: 10.12171/j.1000-1522.20210133

紫雨桦杂交子代苗期生长及叶色性状的变异

doi: 10.12171/j.1000-1522.20210133
基金项目: 大学生创新训练项目(201910225003),中央高校项目资助(2572019DA03),黑龙江省课题东北地区珍贵树种良种选育、高效培育技术示范与推广(GA19B201)
详细信息
    作者简介:

    刘宣晨。主要研究方向:林木遗传育种Email:506427865@qq.com 地址:哈尔滨市香坊区和兴路26号东北林业大学林学院

    责任作者:

    刘桂丰,博士,教授。主要研究方向:林木遗传育种。Email:liuguifeng@126.com 地址:同上

Variation of growth and leaf color traits of Betula pendula ‘Purple Rain’ hybrid offsprings at seedling stage

  • 摘要:   目的  利用杂交过程中亲本的配子重组及基因交换,创造变异丰富的子代群体,为后续林木良种及新品种选育提供物质基础。  方法  以3株紫雨桦为母本,7株白桦作为父本进行杂交,共得到19个杂种家系,调查了各家系紫叶苗木的高和地径等生长性状,5—9月不同发育时期的叶绿素、花青素、叶色参数(L*a*b*)等叶色性状以及2个年度的保存率,对各性状在家系间的差异进行了统计分析。  结果  (1)生长、叶色等性状在家系间大多存在显著(P < 0.05)或极显著(P < 0.01)差异。不同性状的变异幅度差异很大,苗高、地径变异在25.00%左右,花青素相对含量以及黄蓝饱和度(b*)在33.67% ~ 53.20%之间,其他性状的变异系数多为15.00%上下。(2)叶色性状随季节变化明显。花青素相对含量和红绿饱和度(a*)在5、6月最高,7、8、9份明显降低,这与紫雨桦叶色春季呈现紫色、夏季逐渐变绿色的季节变化吻合;b*随季节变化呈现逐渐增加的趋势,这也与叶片颜色逐渐变蓝的趋势一致。(3)保存率在家系之间变异较大,有3个家系的保存率较高,分别为95.0%、90.4%、88.4%,三者均值与保存率最低的3个家系的均值相差2.7倍。在各家系中,父本为大兴安岭种源的保存率更高,较父本为种子园的高出12.2%。  结论  紫雨桦与白桦杂交,家系间的生长性状、花青素含量、叶色参数以及保存率等产生了丰富变异,为后续进一步筛选彩叶桦优良杂种新品种奠定了基础。采用寒温带种源白桦为父本杂交,提高了子代抗寒性。

     

  • 图  1  杂种子代家系间不同月份叶绿素相对含量柱状图

    Figure  1.  Column plot of chlorophyll relative content in different months among hybrid progeny families

    图  5  杂种子代家系间不同月份b*值柱状图

    Figure  5.  Column plot of b* in different months among hybrid progeny families

    图  2  杂种子代家系间不同月份花青素相对含量柱状图

    Figure  2.  Column plot of anthocyanin relative content in different months among hybrid progeny families

    图  3  杂种子代家系间不同月份L*值柱状图

    Figure  3.  Column plot of L* in different months among hybrid progeny families

    图  4  杂种子代家系间不同月份a*值柱状图

    Figure  4.  Column plot of a* in different months among hybrid progeny families

    图  6  杂种子代家系保存率

    Figure  6.  Preserving rate of hybrid progeny families

    表  1  紫雨桦测交系交配设计及杂种子代

    Table  1.   Test crossing design and crossbreeds of Betula pendula ‘Purple Rain’

    M1M2M3M4M51-342-18
    SZ1234567
    SZ-4891011121314
    S3 × 1617 × 181920
    注:♀为母本,为父本,1 ~ 20为子代家系号,× 为杂交失败。Notes:♀ is the female parent, is the male parent, 1 ~ 20 is the offspring family number, × is the hybridization failure.
    下载: 导出CSV

    表  2  杂种家系间紫叶苗木各性状方差分析以及变异系数和遗传力估算

    Table  2.   Variance analysis and estimation of CV and heritability of characters in hybrid families

    类别
    Category
    性状
    Trait
    月份
    Month
    变异来源
    Source of variation
    df均方
    Mean square
    FSig.均值
    Mean
    变幅
    Amplitude
    变异系数
    CV/%
    h2
    生长性状
    Growth trait
    苗高
    Seedling height
    10月 October 家系 Family 18 3 696.978 10.097 0.000 83.18 56.21 ~ 110.5 26.46 0.901
    地径
    Ground diameter
    18 12.811 10.003 0.000 5.35 3.56 ~ 7.08 24.72 0.900
    叶色性状
    Leaf color trait
    叶绿素相对含量
    Chlorophyll
    relative content
    5月 May 家系 Family 18 47.363 2.853 0.001 44.73 38.32 ~ 50.58 10.60 0.649
    6月 June 18 26.016 2.600 0.002 42.37 38.64 ~ 46.54 8.53 0.615
    7月 July 18 166.032 4.744 0.000 42.19 33.44 ~ 52.82 18.37 0.789
    8月 August 18 94.557 3.692 0.000 38.03 28.02 ~ 43.46 16.38 0.729
    9月 September 18 45.164 4.060 0.000 40.71 34.70 ~ 44.42 10.32 0.754
    花青素相对含量
    Anthocyanin
    relative content
    5月 May 家系 Family 18 497.873 3.473 0.000 33.05 17.92 ~ 51.72 43.97 0.712
    6月 June 18 637.191 3.183 0.000 35.12 14.04 ~ 65.98 47.98 0.686
    7月 July 18 46.891 2.040 0.017 13.07 8.66 ~ 19.3 40.18 0.510
    8月 August 18 54.999 2.873 0.001 10.66 6.50 ~ 18.90 47.86 0.652
    9月 September 18 50.463 2.616 0.002 14.93 9.30 ~ 20.72 33.67 0.618
    L* 5月 May 家系 Family 18 47.363 2.853 0.001 44.73 38.32 ~ 50.58 10.60 0.649
    6月 June 18 2.859 1.747 0.049 28.28 26.85 ~ 30.36 4.84 0.428
    7月 July 18 27.164 1.984 0.021 29.58 21.87 ~ 33.74 13.64 0.496
    8月 August 18 16.245 2.803 0.001 31.55 28.31 ~ 35.25 8.85 0.643
    9月 September 18 10.640 1.046 0.421 32.31 29.08 ~ 34.41 9.91 0.044
    a* 5月 May 家系 Family 18 0.002 1.410 0.152 2.54 1.19 ~ 4.02 3.20 0.291
    6月 June 18 0.006 3.189 0.000 1.90 −1.79 ~ 3.61 4.47 0.686
    7月 July 18 0.051 4.449 0.000 −2.75 −8.47 ~ 0.95 13.97 0.775
    8月 August 18 0.123 2.446 0.004 −4.67 −9.14 ~ −1.14 29.50 0.591
    9月 September 18 0.055 3.238 0.000 −1.44 −6.15 ~ 2.61 14.99 0.691
    b* 5月 May 家系 Family 18 4.636 2.644 0.002 3.34 2.26 ~ 5.77 45.52 0.622
    6月 June 18 4.938 2.220 0.009 4.24 2.58 ~ 7.45 39.07 0.550
    7月 July 18 16.002 1.882 0.030 8.69 5.93 ~ 13.57 36.29 0.469
    8月 August 18 39.439 2.859 0.001 10.52 6.09 ~ 15.72 41.12 0.650
    9月 September 18 34.228 3.665 0.000 7.06 3.05 ~ 12.53 53.20 0.727
    注:L*代表明度,a*代表红绿饱和度,b*代表黄蓝饱和度,下同。Note:L* is lightness, a* is red green saturation, b* is blue yellow saturation, the same as below.
    下载: 导出CSV

    表  3  杂种家系间苗高、地径的多重比较及家系内的变异

    Table  3.   Multiple comparison of seedling height and ground diameter and variation between families

    家系
    Family
    苗高
    Seedling height/cm
    变幅
    Amplitude
    变异系数
    CV/%
    家系
    Family
    地径
    Ground diameter/mm
    变幅
    Amplitude
    变异系数
    CV/%
    3110.50 ± 2.82a72 ~ 14313.96117.08 ± 0.38a4.95 ~ 8.6617.82
    4102.43 ± 3.17ab77 ~ 15416.3836.70 ± 0.27a4.25 ~ 10.5022.04
    895.63 ± 2.34bc57 ~ 11713.3845.87 ± 0.17b4.31 ~ 8.7016.19
    1995.60 ± 3.51bc60 ~ 12120.13205.80 ± 0.21b3.83 ~ 8.5919.36
    1191.69 ± 5.42bcd54 ~ 11221.32185.74 ± 0.26bc4.10 ~ 7.2519.57
    1286.94 ± 4.08cde62 ~ 11418.89125.73 ± 0.39bc4.09 ~ 8.6026.36
    2083.57 ± 3.23def45 ~ 11321.1495.65 ± 0.21bcd3.99 ~ 8.0419.28
    1082.76 ± 3.98defg48 ~ 11824.07165.65 ± 0.17bcd4.40 ~ 7.5914.63
    982.67 ± 3.26defg46 ~ 11421.63105.55 ± 0.27bcde2.96 ~ 7.8821.39
    1682.47 ± 3.86defg38 ~ 12325.6585.54 ± 0.12bcde4.46 ~ 6.5911.23
    780.90 ± 3.56defg42 ~ 11824.10195.47 ± 0.21bcde3.41 ~ 7.2020.01
    179.97 ± 3.33defg49 ~ 11922.8465.19 ± 0.21bcdef3.18 ~ 6.9314.63
    1879.00 ± 4.27efgh40 ~ 12128.06134.93 ± 0.32cdefg2.96 ~ 10.2034.23
    677.23 ± 3.24efgh45 ~ 10722.9874.90 ± 0.19defg3.35 ~ 6.5220.39
    575.53 ± 2.41efgh50 ~ 10217.4614.81 ± 0.21efg3.34 ~ 6.9122.81
    1373.43 ± 3.50fgh42 ~ 11726.4254.61 ± 0.21fg3.10 ~ 7.3523.69
    271.13 ± 3.47gh32 ~ 11026.70174.57 ± 0.43fg3.12 ~ 7.5530.03
    1767.75 ± 4.98h35 ~ 9529.4024.33 ± 0.18g2.82 ~ 5.5921.26
    1456.21 ± 4.56i25 ~ 9035.36143.56 ± 0.20h2.27 ~ 5.0422.53
    均值
    Mean
    83.1822.62均值
    Mean
    5.3520.92
    下载: 导出CSV

    表  4  叶色性状间的相关系数

    Table  4.   Correlation coefficient of leaf color trait

    性状
    Trait
    a* b* 叶绿素相对含量
    Chlorophyll relative content
    花青素相对含量
    Anthocyanin relative content
    L*−0.672**0.649**−0.378**−0.579**
    a*−0.962**0.373**0.757**
    b*−0.473**−0.755**
    叶绿素相对含量
    Chlorophyll relative content
    0.460**
    注:**代表极显著相关。Note:** is extremely relevant.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-04-12
  • 录用日期:  2022-07-14
  • 修回日期:  2021-04-29
  • 网络出版日期:  2022-07-18

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