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Official Journal of the Japan Wood Research Society

Table 3 Growth characteristics, SWV, Py, and their repeatabilities in 45 teak trees from 15 clones planted at Ciamis, Indonesia

From: Growth characteristics, stress-wave velocity, and Pilodyn penetration of 15 clones of 12-year-old Tectona grandis trees planted at two different sites in Indonesia

Clone code

D (cm)

H (m)

V (m3)

SWV (km/s)

Py (mm)

A

20.2

15.7

0.422

3.54

22.3

B

17.6

14.2

0.316

3.48

21.9

C

21.5

19.0

0.476

3.56

21.8

D

24.8

16.0

0.634

3.63

23.2

E

24.8

19.2

0.633

3.51

22.3

F

19.3

15.8

0.387

3.23

21.7

G

22.1

16.5

0.504

3.69

23.0

H

21.7

17.0

0.481

3.39

22.0

I

23.5

17.3

0.573

3.51

22.1

J

17.0

12.3

0.298

3.38

22.2

K

18.2

16.0

0.340

3.40

22.1

L

17.0

16.3

0.295

3.50

21.0

M

17.8

15.2

0.324

3.77

22.0

N

22.1

14.7

0.505

3.51

22.9

O

37.7

23.7

1.472

3.65

26.9

Significance among clones

**

**

**

*

**

 Variance of clones

24.36

4.78

0.076

0.010

1.47

 Variance of environment

7.85

6.04

0.023

0.026

0.97

 Repeatability

0.76

0.44

0.77

0.27

0.60

  1. D stem diameter, H tree height, V bole volume, SWV stress-wave velocity, Py Pilodyn penetration
  2. * Significance at the 5 % level
  3. ** Significance at the 1 % level