Skip to main content
Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 5 Across-site analysis of variance in growth characteristics, SWV, and Py

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

Source of variation

Degree of freedom

Mean square

D

H

V

SWV

Py

Site

1

638.40**

291.6**

1.08**

0.07ns

4.70 ns

Clone

14

93.64**

24.96**

0.23**

0.06**

15.60**

Site × clone

14

25.74**

11.12*

0.07**

0.04*

3.21*

Error

60

8.77

5.74

0.02

0.02

1.52

  1. D stem diameter, H tree height, V bole volume, SWV stress-wave velocity, Py Pilodyn penetration, ns no significance
  2. * Significance at the 5 % level
  3. ** Significance at the 1 % level
Back to article page