Table 6 Comparison of phenotypic characteristics between the core collection and whole collection.

From: Genetic Characterization of Chinese fir from Six Provinces in Southern China and Construction of a Core Collection

Trait

xmax-xmin

coincidence rate of range %

CV

The rate of variation of the CV

mean

mean difference percentage %

mean T-test

whole collection

core collection

Whole collection

Core collection

whole collection

core collection

H(m)

13.75

11.42

83.05

30.06

25.79

16.56

7.71

7.94

2.98

0.05

DBH(cm)

20.87

19.02

91.14

29.31

24.9

17.71

13.23

13.55

2.42

0.1

T(cm)

6.67

6.67

100

20.25

17.21

17.66

4.6

4.6

0

0.95

V(m3)

0.3220

0.3166

98.32

77.63

68.38

13.53

0.0737

0.0777

5.43

0.2

P(%)

0.3912

0.3722

95.14

29.58

29.02

1.93

21.61

21.64

0.14

0.93

WBD(g.cm−3)

0.3012

0.2816

93.49

12.95

13.5

−4.07

0.3151

0.3156

0.16

0.85

Hy(%)

3.0751

2.4167

78.59

15.25

15.98

−4.57

259.46

259.71

0.10

0.92

L(µm)

1717.63

1717.63

100

11.87

11.74

1.11

2720.09

2727.39

0.27

0.69

D(µm)

45.39

41.95

92.42

13.63

13.54

0.66

46.15

46.03

−0.26

0.75

L/D

61.82

60.45

97.78

16.82

17.18

−2.10

62.13

62.54

0.56

0.54

  1. H: tree height; DBH: diameter at breast height; T: bark thickness; V: stem volume; P: proportion of heartwood; WBD: wood basic density; Hy: hygroscopicity; L: tracheid length; D: tracheid diameter; L/D: the ratio of L to D.