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Table 3 Mean values, ranges of variation, and coefficients of phenotypic variation (CVp%) of clonal means of growth traits and wood chemical properties at the four sites

From: Chemical properties of wood are under stronger genetic control than growth traits in Populus tomentosa Carr.

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

  1. DBH diameter at breast height