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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 1 Family mean values and ratio of variance components for traits measured in standing trees

From: Radial variations of broad-sense heritability in wood properties and classification of load–deflection curves in static bending for six half-sib families of Chamaecyparis obtusa

Family ID

n

D (cm)

TH (m)

SWV (km/s)

Mean

SD

Mean

SD

Mean

SD

H2

27

21.1

3.4

11.3

2.0

3.23

0.25

K4

27

19.4

2.5

10.3

1.1

3.38

0.24

M5

26

20.6

3.4

11.5

2.3

3.22

0.22

S

27

18.6

3.2

10.4

1.7

3.36

0.23

S2

25

19.4

2.9

11.0

1.2

3.47

0.20

T2

27

20.9

2.8

12.0

2.8

3.48

0.18

Mean

159

20.0

3.2

11.1

2.0

3.36

0.24

H2

0.07

0.07

0.18

Vf

0.04

0.00

0.17

Vb

0.00

0.36

0.07

Vfb

0.09

0.37

0.04

Vr

0.87

0.27

0.72

  1. n number of trees, D stem diameter at 1.3 m above the ground, TH tree height, SWV stress-wave velocity, SD standard deviation, H2 broad-sense heritability
  2. Vf, Vb, Vfb, and Vr represent variance components ratio of family, block, interaction between family and block, and residual, respectively
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