Site | Traits | Triploid clones | ||
---|---|---|---|---|
Mean ± SE | Range (min–max) | CVp% | ||
Yanzhou | Tree height (m) | 12.5 ± 1.21 | 10.6–15.4 | 9.68 |
DBH (cm) | 10.7 ± 1.01 | 8.50–13.3 | 9.44 | |
Stem volume (m3) | 0.0482 ± 0.0110 | 0.0262–0.0704 | 22.9 | |
Extractives (%) | 1.72 ± 0.164 | 1.43–2.03 | 9.54 | |
Holocellulose (%) | 83.00 ± 1.05 | 81.27–85.05 | 1.27 | |
Lignin (%) | 20.24 ± 0.986 | 17.88–21.62 | 4.88 | |
Gaotang | Tree height (m) | 13.6 ± 1.21 | 9.40–16.0 | 8.90 |
DBH (cm) | 11.6 ± 1.49 | 7.80–14.9 | 12.9 | |
Stem volume (m3) | 0.0618 ± 0.0184 | 0.0236–0.1139 | 29.8 | |
Extractives (%) | 2.44 ± 0.575 | 1.64–3.74 | 23.6 | |
Holocellulose (%) | 83.73 ± 0.824 | 81.85–85.32 | 0.990 | |
Lignin (%) | 20.68 ± 1.07 | 19.10–22.49 | 5.18 | |
Xiangfen | Tree height (m) | 13.2 ± 1.11 | 11.4–15.8 | 8.41 |
DBH (cm) | 11.7 ± 1.21 | 9.00–14.6 | 10.3 | |
Stem volume (m3) | 0.0608 ± 0.0156 | 0.0315–0.1071 | 25.7 | |
Extractives (%) | 2.20 ± 0.352 | 1.41–3.13 | 16.0 | |
Holocellulose (%) | 83.32 ± 0.925 | 81.59–85.11 | 1.11 | |
Lignin (%) | 19.78 ± 0.853 | 18.26–21.22 | 4.32 | |
Zhengzhou | Tree height (m) | 13.6 ± 1.51 | 9.60–16.6 | 11.1 |
DBH (cm) | 14.5 ± 1.46 | 9.80–17.3 | 10.1 | |
Stem volume (m3) | 0.0954 ± 0.0236 | 0.0335–0.1246 | 24.7 | |
Extractives (%) | 2.05 ± 0.380 | 1.48–3.19 | 18.5 | |
Holocellulose (%) | 83.63 ± 1.18 | 81.27–85.92 | 1.41 | |
Lignin (%) | 19.29 ± 0.845 | 17.71–21.30 | 4.38 |