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截冠处理对种子园樟子松壮龄母树结实的影响

阎雄飞 曹存宏 袁小琴 张增强 郭荣 陈巧燕 刘永华

阎雄飞, 曹存宏, 袁小琴, 张增强, 郭荣, 陈巧燕, 刘永华. 截冠处理对种子园樟子松壮龄母树结实的影响[J]. 北京林业大学学报, 2019, 41(8): 48-56. doi: 10.13332/j.1000-1522.20190178
引用本文: 阎雄飞, 曹存宏, 袁小琴, 张增强, 郭荣, 陈巧燕, 刘永华. 截冠处理对种子园樟子松壮龄母树结实的影响[J]. 北京林业大学学报, 2019, 41(8): 48-56. doi: 10.13332/j.1000-1522.20190178
Yan Xiongfei, Cao Cunhong, Yuan Xiaoqin, Zhang Zengqiang, Guo Rong, Chen Qiaoyan, Liu Yonghua. Effects of top pruning on seed setting of aged mother trees in orchard of Pinus sylvestris var. mongolica[J]. Journal of Beijing Forestry University, 2019, 41(8): 48-56. doi: 10.13332/j.1000-1522.20190178
Citation: Yan Xiongfei, Cao Cunhong, Yuan Xiaoqin, Zhang Zengqiang, Guo Rong, Chen Qiaoyan, Liu Yonghua. Effects of top pruning on seed setting of aged mother trees in orchard of Pinus sylvestris var. mongolica[J]. Journal of Beijing Forestry University, 2019, 41(8): 48-56. doi: 10.13332/j.1000-1522.20190178

截冠处理对种子园樟子松壮龄母树结实的影响

doi: 10.13332/j.1000-1522.20190178
基金项目: 榆林市林业局科研专项(2018001);陕西省科技厅农业公关项目(2016NY136)
详细信息
    作者简介:

    阎雄飞,博士,副教授。主要研究方向:林木有害生物综合治理。Email:yxfei1220@126.com 地址:719000 陕西省榆林市榆阳区崇文路4号榆林学院生命科学学院

Effects of top pruning on seed setting of aged mother trees in orchard of Pinus sylvestris var. mongolica

  • 摘要: 目的樟子松是我国北方干旱和半干旱沙区水土保持和防风固沙的重要树种。研究截冠处理对种子园壮龄樟子松母树结实的影响,以期为樟子松种子园母树的优质高产和科学管理提供理论依据。方法本研究以陕西省榆林市樟子松种子园18个无性系樟子松24年生的母树为研究对象,比较分析未截冠与截冠处理对樟子松母树球果产量、种子产量、球果大小和种子质量等8个指标的影响。结果结果表明,截冠处理对樟子松母树单果质量和单株球果质量2个指标影响不显著,但其平均增益值分别达到24.84%和23.82%,说明截冠处理在一定程度上能提高樟子松壮龄母树的球果产量。截冠处理对樟子松母树单株种子质量和出籽率有明显影响,截冠后单株种子质量和出籽率的平均增益值分别达到81.38%、55.94%,说明截冠处理能提高壮龄母树种子产量。截冠处理对球果长径和短径均无明显影响,截冠处理后球果长径和短径的平均增益值分别为− 0.25%和1.37%。截冠处理后樟子松母树的种子千粒质量、优良度平均增益值分别达7.43%、24.96%,并且大部分无性系千粒质量为正增益,全部无性系优良度为正增益;截冠处理对种子千粒质量无明显影响,但对种子优良度有明显影响。说明截冠处理能提高樟子松壮龄母树种子的质量。结论研究证明截冠处理可以提高樟子松壮龄母树的产量和种子质量。

     

  • 表  1  截冠处理母树与未截冠母树各产量指标的配对t检验结果

    Table  1.   Comparing sample t-test results on yield index of mother trees under top pruning and non-top pruning

    产量指标 Yield index   均值 Mean标准差 Standard deviationtt value自由度 dfPP value
    单果质量 Single cone mass − 1.022 5.286 0.820 17 0.423 3
    单株球果质量 Cone mass per tree − 43.41 688.228 0.268 17 0.792 2
    单株种子质量 Seed mass per tree − 5.448 10.492 2.203 17 0.041 7
    出籽率 Seed-production rate − 0.408 0.595 2.910 17 0.009 8
    下载: 导出CSV

    表  2  截冠处理对樟子松壮龄母树的球果产量增益分析

    Table  2.   Gain analysis on cone yield of aged Pinus sylvestris var. mongolica mother trees after top pruning

    无性系号
    Clone No.
    对照
    CK
    截冠处理
    Top pruning treatment
    单个无性系截冠后球果产量增益值
    Gain value of cone yield of single clone after top pruning/%
    单果质量
    Single cone mass/g
    单株球果质量
    Cone mass per tree/g
    单果质量
    Single cone mass/g
    单株球果质量
    Cone mass per tree/g
    单果质量
    Single cone mass
    单株球果质量
    Cone mass per tree
    51 9.16 541.43 7.88 533.10 − 13.97 − 1.54
    11 7.13 374.93 4.53 281.21 − 36.47 − 25.00
    5 7.99 1 140.72 7.24 733.75 − 9.39 − 35.68
    7 9.28 1 608.56 7.22 1 265.94 − 22.20 − 21.30
    1 6.45 1 308.45 21.61 3 527.86 235.04 169.62
    53 11.14 1 412.40 7.36 539.27 − 33.93 − 61.82
    6 6.09 634.09 9.63 1 085.75 58.13 71.23
    28 5.49 693.81 6.31 639.31 14.94 − 7.86
    47 5.92 190.58 15.72 456.31 165.54 139.43
    29 6.5 1 473.43 10.10 1 750.91 55.38 18.83
    13 9.61 1 680.89 11.03 1 659.67 14.78 − 1.26
    38 8.61 1 728.75 6.68 1 198.34 − 22.42 − 30.68
    60 5.21 585.68 9.10 1 275.45 74.66 117.77
    46 6.23 1 508.47 6.32 1 039.56 1.44 − 31.09
    30 13.54 1 301.56 5.09 761.10 − 62.41 − 41.52
    40 8.29 1 002.52 4.80 526.41 − 42.10 − 47.49
    34 9.00 1 560.54 11.47 1 993.02 27.44 27.71
    21 4.54 137.91 6.49 399.21 42.95 189.47
    平均增益值
    Average gain value
    / / / / 24.86 23.82
    注:“/”代表此项内容不存在。下同。Notes:“/” represents this content non-existents.The same below.
    下载: 导出CSV

    表  3  截冠处理对樟子松壮龄母树种子产量增益分析

    Table  3.   Gain analysis on seed yield of aged Pinus sylvestris var. mongolica mother trees after top pruning

    无性系号
    Clone No.
    对照
    CK
    截冠处理
    Top pruning treatment
    单个无性系截冠后种子产量增益值
    Gain value of seed yield of single clone after top pruning/%
    单株种子质量
    Seed mass per tree/g
    出籽率
    Seed-production rate/%
    单株种子质量
    Seed mass per tree/g
    出籽率
    Seed-production rate/%
    单株种子质量
    Seed mass per tree
    出籽率
    Seed-production
    rate
    51 5.11 0.94 10.88 2.04 112.92 117.02
    11 3.80 1.01 13.14 1.12 245.79 10.89
    5 9.19 0.81 16.85 2.30 83.35 183.95
    7 22.36 1.39 22.42 1.77 0.27 27.34
    1 13.05 1.00 30.61 0.87 134.56 − 13.00
    53 15.21 1.08 5.18 0.96 − 65.94 − 11.11
    6 4.86 0.77 16.31 1.5 235.6 94.81
    28 11.66 1.68 11.04 1.73 − 5.32 2.98
    47 4.77 0.6 7.97 1.09 67.09 81.67
    29 20.19 1.37 29.48 1.68 46.01 22.63
    13 21.36 1.27 33.17 2.00 55.29 57.48
    38 41.35 2.39 17.43 1.45 − 57.85 − 39.33
    60 8.34 1.42 14.93 1.17 79.02 − 17.61
    46 17.26 1.14 19.63 1.89 13.73 65.79
    30 16.08 1.24 19.35 1.23 20.34 − 0.81
    40 12.98 1.29 19.96 1.89 53.78 46.51
    34 9.05 0.58 33.78 1.69 273.26 191.38
    21 7.26 0.51 19.82 1.46 173.00 186.27
    平均增益值
    Average gain value/%
    / / / / 81.38 55.94
    下载: 导出CSV

    表  4  截冠处理对樟子松壮龄母树球果大小的影响

    Table  4.   Effects of top pruning on cone size of aged Pinus sylvestris var. mongolica mother trees

    无性系号
    Clone No.
    对照
    CK
    截冠处理
    Top pruning treatment
    单个无性系截冠后球果大小增益值
    Gain value of cone size of single clone after top pruning/%
    球果短径
    Cone short diameter/mm
    球果长径
    Cone long diameter/mm
    球果短径
    Cone short diameter/mm
    球果长径
    Cone long diameter/mm
    球果短径
    Cone short
    diameter
    球果长径
    Cone long
    diameter
    51 19.17 ± 0.30 45.77 ± 1.72 19.81 ± 0.39 42.22 ± 1.43 3.34 -7.75
    11 18.51 ± 0.16 40.21 ± 1.20 16.10 ± 0.75 35.78 ± 0.30 − 13.00 − 11.02
    5 18.69 ± 0.57 42.66 ± 1.42 19.07 ± 0.45 35.84 ± 2.37 2.05 − 15.99
    7 20.37 ± 0.62 45.18 ± 1.21 18.44 ± 0.14 43.86 ± 2.65 − 9.46 − 2.92
    1 18.51 ± 0.55 35.45 ± 1.23 20.60 ± 0.07 38.31 ± 1.33 11.29 8.07
    53 17.34 ± 0.67 47.49 ± 0.12 18.43 ± 0.50 40.58 ± 0.95 6.29 − 14.54
    6 20.60 ± 0.07 38.13 ± 1.33 19.73 ± 0.27 45.19 ± 1.61 − 4.22 18.52
    28 21.18 ± 0.47 31.94 ± 2.21 17.61 ± 0.22 35.92 ± 1.59 − 16.86 12.45
    47 16.28 ± 0.61 40.08 ± 3.85 23.16 ± 0.41 57.44 ± 1.23 42.23 43.31
    29 19.02 ± 0.20 35.32 ± 1.49 20.11 ± 0.98 40.80 ± 1.04 5.73 15.53
    13 21.91 ± 0.44 43.40 ± 2.69 22.49 ± 0.73 36.11 ± 2.86 2.65 − 16.8
    38 23.91 ± 0.46 40.94 ± 1.51 16.89 ± 0.28 34.57 ± 1.73 − 29.36 − 15.56
    60 16.58 ± 0.70 29.48 ± 3.56 19.36 ± 0.30 41.77 ± 2.52 16.74 41.71
    46 17.33 ± 0.41 40.45 ± 2.75 17.68 ± 0.51 37.08 ± 1.31 2.02 − 8.34
    30 16.58 ± 1.21 51.69 ± 2.73 17.66 ± 0.43 35.36 ± 2.29 6.51 − 31.59
    40 20.65 ± 0.17 36.50 ± 1.99 16.14 ± 0.88 35.50 ± 0.86 − 21.83 − 2.74
    34 20.68 ± 0.29 42.58 ± 1.81 22.60 ± 0.48 52.22 ± 1.77 9.27 22.64
    21 21.94 ± 0.39 33.54 ± 2.12 18.01 ± 0.30 32.80 ± 0.50 − 17.9 − 2.22
    平均增益值
    Average gain value
    / / / / − 0.25 1.37
    下载: 导出CSV

    表  5  截冠处理母树与未截冠母树球果大小指标的配对t检验结果

    Table  5.   Comparing sample t-test results on cone size index of mother trees under top pruning and non-top pruning

     球果大小指标 Cone size index均值 Mean标准差 Standard deviationtt value自由度 dfPP value
    球果短径 Cone short diameter 0.297 8 3.201 0.395 17 0.698 0
    球果长径 Cone long diameter − 0.030 0 8.227 0.016 17 0.987 8
    下载: 导出CSV

    表  6  截冠处理对樟子松壮龄母树种子质量的影响

    Table  6.   Effects of top pruning on seed quality of aged Pinus sylvestris var. mongolica mother trees

    无性系号
    Clone No.
    对照
    CK
    截冠处理
    Top pruning treatment
    单个无性系截冠后种子质量增益值
    Gain value of seed quality of single clone after top pruning/%
    种子千粒质量
    Thousand seed mass/g
    优良度
    Seed soundness /%
    种子千粒质量
    Thousand seed mass/g
    优良度
    Seed soundness/%
    种子千粒质量
    Thousand seed
    mass
    优良度
    Seed soundness
    51 10.48 ± 0.02 45 ± 1.28 8.72 ± 0.02 54 ± 1.56 − 16.79 20.00
    11 9.45 ± 0.07 48 ± 1.35 7.95 ± 0.04 55 ± 1.78 − 15.87 14.58
    5 7.89 ± 0.04 55 ± 1.02 7.04 ± 0.04 62 ± 1.87 − 10.77 12.73
    7 8.36 ± 0.06 54 ± 1.32 6.11 ± 0.07 67 ± 1.71 − 26.91 24.07
    1 9.10 ± 0.08 44 ± 1.09 13.2 ± 0.03 57 ± 2.43 45.05 29.55
    53 7.04 ± 0.08 49 ± 1.43 9.57 ± 0.01 62 ± 2.10 35.94 26.53
    6 7.42 ± 0.06 55 ± 1.52 8.50 ± 0.04 61 ± 1.37 14.56 10.91
    28 7.56 ± 0.13 47 ± 1.76 4.40 ± 0.04 57 ± 1.56 − 41.80 21.28
    47 7.62 ± 0.05 38 ± 1.24 9.86 ± 0.01 53 ± 1.62 29.40 39.47
    29 5.86 ± 0.06 40 ± 1.31 9.88 ± 0.02 58 ± 2.02 68.60 45.00
    13 8.83 ± 0.03 51 ± 1.27 11.13 ± 0.03 61 ± 1.74 26.05 19.61
    38 9.73 ± 0.03 48 ± 1.42 7.39 ± 0.06 51 ± 2.48 − 24.05 6.25
    60 7.18 ± 0.08 38 ± 1.24 7.90 ± 0.03 50 ± 1.91 10.03 31.58
    46 8.85 ± 0.11 41 ± 1.44 8.96 ± 0.02 53 ± 2.13 1.24 29.27
    30 7.96 ± 0.03 39 ± 1.09 8.03 ± 0.02 53 ± 1.53 0.88 35.90
    40 7.75 ± 0.03 53 ± 1.53 8.86 ± 0.01 59 ± 1.41 14.32 11.32
    34 6.41 ± 0.06 47 ± 1.43 7.69 ± 0.04 66 ± 2.66 19.97 40.43
    21 7.84 ± 0.03 52 ± 1.47 8.15 ± 0.03 68 ± 1.73 3.95 30.77
    平均增益值
    Average gain value
    / / / / 7.43 24.96
    下载: 导出CSV

    表  7  截冠处理与未截冠母树种子质量指标的配对t检验结果

    Table  7.   Comparing sample t-test results on seed quality index of mother trees under top pruning and non-top pruning

      种子质量指标 Seed quality index均值 Mean标准差 Standard deviationtt value自由度 dfPP value
    种子千粒质量 Thousand seed mass − 0.445 2.133 0.885 17 0.388 5
    种子优良度 Seed soundness − 11.278 4.390 10.900 17 0.000 1
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-04-12
  • 修回日期:  2019-05-17
  • 网络出版日期:  2019-07-01
  • 刊出日期:  2019-08-01

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