Bulletin of Botanical Research ›› 2024, Vol. 44 ›› Issue (2): 248-258.doi: 10.7525/j.issn.1673-5102.2024.02.010
• Physiology and Ecology • Previous Articles Next Articles
Jing XU1,2, Ying CUI2, Fusen WANG3, Kailong LI1, Guanzheng QU1, Xiyang ZHAO2()
Received:
2023-08-25
Online:
2024-03-20
Published:
2024-03-11
Contact:
Xiyang ZHAO
E-mail:zhaoxyphd@163.com
CLC Number:
Jing XU, Ying CUI, Fusen WANG, Kailong LI, Guanzheng QU, Xiyang ZHAO. Growth and Wood Character Variation of Populus pseudo-cathyana×Populus deltoids Plantation with Different Thinning Intensity in Northeast China[J]. Bulletin of Botanical Research, 2024, 44(2): 248-258.
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URL: https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2024.02.010
Table 1
Results of variance analysis of tree characters under different thinning treatments
性状 Traits | 变异来源 Source of variation | 平方和 Sum of squares | 自由度 df | 均方 Mean square | F | P |
---|---|---|---|---|---|---|
树高 Height | 密度Density | 336.917 | 3 | 112.306 | 290.669 | 0.000 |
区组Block | 102.711 | 2 | 51.356 | 132.919 | 0.000 | |
密度×区组Density×Block | 54.535 | 6 | 9.089 | 23.524 | 0.000 | |
胸径 Diameter at breast height | 密度Density | 3 354.126 | 3 | 1 118.042 | 419.566 | 0.000 |
区组Block | 27.529 | 2 | 13.765 | 5.165 | 0.006 | |
密度×区组Density×Block | 22.827 | 6 | 3.805 | 1.428 | 0.201 | |
2米径 Diameter at 2 m height | 密度Density | 3 389.750 | 3 | 1 129.917 | 436.694 | 0.000 |
区组Block | 15.186 | 2 | 7.593 | 2.934 | 0.054 | |
密度×区组Density×Block | 76.714 | 6 | 12.786 | 4.941 | 0.000 | |
东西冠幅 East-west crown width | 密度Density | 81.362 | 3 | 27.121 | 382.690 | 0.000 |
区组Block | 4.302 | 2 | 2.151 | 30.350 | 0.000 | |
密度×区组Density×Block | 3.254 | 6 | 0.542 | 7.652 | 0.000 | |
南北冠幅 North-south crown width | 密度Density | 78.708 | 3 | 26.236 | 326.153 | 0.000 |
区组Block | 0.975 | 2 | 0.488 | 6.061 | 0.002 | |
密度×区组Density×Block | 9.629 | 6 | 1.605 | 19.951 | 0.000 | |
平均冠幅 Mean crown width | 密度Density | 79.117 | 3 | 26.372 | 550.014 | 0.000 |
区组Block | 2.343 | 2 | 1.172 | 24.434 | 0.000 | |
密度×区组Density×Block | 5.005 | 6 | 0.834 | 17.396 | 0.000 | |
材积 Volume of timber | 密度Density | 1.296 | 3 | 0.432 | 470.992 | 0.000 |
区组Block | 0.011 | 2 | 0.005 | 5.961 | 0.003 | |
密度×区组Density×Block | 0.014 | 6 | 0.002 | 2.480 | 0.022 | |
木材基本密度 Wood basic density | 密度Density | 0.002 | 3 | 0.001 | 1.553 | 0.274 |
纤维长 Fiber length | 密度Density | 40 972.881 | 3 | 13 657.627 | 17.284 | 0.001 |
纤维宽 Fiber width | 密度Density | 199.768 | 3 | 66.589 | 67.977 | 0.000 |
半纤维素含量 Hemicellulose content | 密度Density | 2.715 | 3 | 0.905 | 24.325 | 0.000 |
纤维素含量 Cellulose content | 密度Density | 119.341 | 3 | 39.780 | 781.807 | 0.000 |
综纤维素含量 Holocellulose content | 密度Density | 105.767 | 3 | 35.256 | 324.434 | 0.000 |
木质素含量 Lignin content | 密度Density | 97.018 | 3 | 32.339 | 368.084 | 0.000 |
Table 2
The mean value and multiple comparative analysis of forest characters under different thinning treatments
间伐处理 | 树高 Height/m | 胸径 Diameter at breast height/cm | 2米径 Diameter at 2 m height/cm | 东西冠幅 East-west crown width/m | 南北冠幅 North-south crown width/m |
---|---|---|---|---|---|
A | 17.43±0.72 c | 17.01±1.37 b | 16.73±1.35 b | 3.66±0.27 b | 3.80±0.38 c |
B | 18.98±0.98 a | 20.59±1.91 a | 20.43±1.93 a | 3.95±0.27 a | 4.03±0.23 a |
C | 18.33±0.58 b | 20.35±1.78 a | 20.25±1.90 a | 3.66±0.33 b | 3.94±0.30 b |
CK | 17.31±0.78 c | 15.55±1.45 c | 15.46±1.26 c | 3.03±0.27 c | 3.18±0.31 d |
间伐处理 | 平均冠幅 Mean crown width/m | 材积 Volume of timber/m3 | 单位面积蓄积 Storage per unit area/(m3·hm-2) | 木材基本密度 Wood basic density/(g·cm-3) | 纤维长 Fiber length/μm |
A | 3.73±0.27 c | 0.15±0.02 c | 119.63±18.04 b | 0.38±0.03 a | 942.95±1.05 b |
B | 3.99±0.18 a | 0.22±0.04 a | 117.42±21.22 b | 0.35±0.03 a | 1080.90±9.60 a |
C | 3.80±0.26 b | 0.21±0.03 b | 84.45±13.82 c | 0.36±0.02 a | 1087.40±50.47 a |
CK | 3.11±0.24 d | 0.12±0.02 d | 202.17±36.11 a | 0.35±0.01 a | 1057.90±22.80 a |
间伐处理 | 纤维宽 Fiber width/μm | 半纤维素含量 Hemicellulose content/% | 纤维素含量 Cellulose content/% | 综纤维素含量 Holocellulose content/% | 木质素含量 Lignin content/% |
A | 29.25±1.15 a | 16.14±0.31 a | 59.67±0.08 b | 75.81±0.29 b | 16.14±0.04 b |
B | 21.80±1.48 c | 15.88±0.13 ab | 53.78±0.05 c | 69.66±0.08 c | 22.10±0.05 a |
C | 25.87±0.32 b | 15.63±0.08 b | 61.63±0.33 a | 77.25±0.37 a | 15.60±0.40 b |
CK | 18.45±0.55 d | 14.87±0.17 c | 61.28±0.29 a | 76.15±0.46 b | 15.03±0.43 c |
Table 3
Characteristics and variation parameters of forest trees under different thinning treatments
变异参数 | 树高 Height/m | 胸径 Diameter at breast height/cm | 2米径 Diameter at 2 m height/cm | 东西冠幅 East-west crown width/m | 南北冠幅 North-south crown width/m | 平均冠幅 Mean crown width/m | 材积 Volume of timber/m3 |
---|---|---|---|---|---|---|---|
平均值Mean | 18.01 | 18.37 | 18.22 | 3.58 | 3.74 | 3.66 | 0.18 |
标准差SD | 1.03 | 2.71 | 2.72 | 0.44 | 0.45 | 0.41 | 0.05 |
变幅Range | 15.00~20.90 | 11.80~24.45 | 12.00~24.40 | 2.60~4.72 | 2.58~4.96 | 2.67~4.56 | 0.07~0.31 |
表型变异系数 CV,P/% | 5.74 | 14.76 | 14.92 | 12.30 | 12.07 | 11.19 | 29.87 |
重复力 Repeatability | 0.597 | 0.699 | 0.706 | 0.675 | 0.631 | 0.747 | 0.705 |
变异参数 | 木材基本密度 Wood basic density/(g·cm-3) | 纤维长 Fiber length/μm | 纤维宽 Fiber width/μm | 半纤维素 Hemicellulose content/% | 纤维素 Cellulose content/% | 综纤维素 Holocellulose content/% | 木质素 Lignin content/% |
平均值Mean | 0.36 | 1042.26 | 23.84 | 15.63 | 59.09 | 74.72 | 17.22 |
标准差SD | 0.02 | 65.57 | 4.34 | 0.52 | 3.30 | 3.11 | 2.98 |
变幅Range | 0.33~0.41 | 941.80~1128.60 | 17.90~30.40 | 14.73~16.83 | 53.73~61.96 | 69.58~77.66 | 14.60~22.14 |
表型变异系数 CV,P/% | 6.49 | 6.29 | 18.22 | 3.35 | 5.58 | 4.17 | 17.31 |
重复力 Repeatability | 0.356 | 0.942 | 0.985 | 0.959 | 0.999 | 0.997 | 0.998 |
Table 4
Correlation analysis of forest characters under different thinning treatments
性状 Traits | 树高 Height | 胸径 Diameter at breast height | 2米径 Diameter at 2 m height | 东西冠幅 East-west crown | 南北冠幅 North-south crown width | 平均冠幅 Mean crown width | 材积 Volume of timber | 木材基本密度 Wood basic density | 纤维长 Fiber length | 纤维宽 Fiber width | 半纤维素含量 Hemicellulose content | 纤维素含量 Cellulose content | 综纤维素含量 Holocellulose content |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
胸径 Diameter at breast height | 0.786** | ||||||||||||
2米径 Diameter at 2 m height | 0.782** | 0.991** | |||||||||||
东西冠幅 East-west crown | 0.753** | 0.778** | 0.795** | ||||||||||
南北冠幅 North-south crown width | 0.690* | 0.796** | 0.801** | 0.941** | |||||||||
平均冠幅 Mean crown width | 0.733** | 0.802** | 0.814** | 0.986** | 0.985** | ||||||||
材积 Volume of timber | 0.846** | 0.993** | 0.987** | 0.814** | 0.818** | 0.831** | |||||||
木材基本密度 Wood basic density | -0.169 | -0.091 | -0.048 | 0.139 | 0.078 | 0.113 | -0.119 | ||||||
纤维长 Fiber length | 0.389 | 0.521 | 0.454 | 0.008 | 0.080 | 0.045 | 0.502 | -0.606* | |||||
纤维宽 Fiber width | -0.097 | 0.158 | 0.201 | 0.458 | 0.548 | 0.511 | 0.127 | 0.514 | -0.591* | ||||
半纤维素含量 Hemicellulose content | 0.292 | 0.449 | 0.460 | 0.730** | 0.694* | 0.725** | 0.443 | 0.492 | -0.412 | 0.754** | |||
纤维素含量 Cellulose content | -0.615* | -0.498 | -0.492 | -0.667* | -0.509 | -0.598* | -0.561 | 0.050 | -0.146 | 0.139 | -0.424 | ||
综纤维素含量 Holocellulose content | -0.603* | -0.453 | -0.444 | -0.584* | -0.423 | -0.512 | -0.520 | 0.136 | -0.224 | 0.274 | -0.282 | 0.988** | |
木质素含量 Lignin content | 0.693* | 0.616* | 0.608* | 0.711** | 0.571 | 0.652* | 0.673* | -0.102 | 0.268 | -0.154 | 0.400 | -0.987** | -0.979** |
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