Table 2 Result of variance analysis of thinning and pruning treatments’ effect on growth characteristics and wood physical properties of clonal teak wood

Source of variance	df	Height		DBH
Source of variance	df	F-value	Var (%)	F-value	Var (%)
Block	2	29.81	92.6	1.22	0.6
Thinning	2	0.42^ns	0.0	37.91^**	95.8
Pruning	2	0.61^ns	0.0	0.08^ns	0.0
Thinning × Pruning	4	2.30^ns	4.2	1.41^ns	1.1
		PHW		VHW
Block	2	8.02	82.5	9.83	25.4
Thinning	2	1.49^ns	5.6	25.63^**	70.9
Pruning	2	0.37^ns	0.0	0.02^ns	0.0
Thinning × Pruning	4	0.71^ns	0.0	1.29^ns	0.8
		MCG		BD
Block	2	246.41	2.6	13.06	0.2
Thinning	2	9.51^**	25.4	0.72^ns	0.0
AL (Thinning)	18	6.80^**	17.3	11.71^**	49.8
RL (Thinning AL)	53	5.21^**	12.6	9.05^**	37.5
Pruning	2	0.196^ns	1.9	0.62^ns	0.0
AL (Pruning)	12	1.10^ns	0.3	0.83^ns	0.0
RL (Pruning AL)	35	0.69^ns	0.0	0.77^ns	0.0
Thinning × Pruning	4	12.18^**	33.3	2.37^ns	6.3
AL (Thinning Pruning)	22	2.20^**	3.6	1.32^ns	1.5
RL (Thinning Pruning AL)	51	0.79^ns	0.0	1.00^ns	4.7
		TS		RS
Block	2	37.01	0.4	30.27	1.4
Thinning	2	14.58^**	40.3	0.29^ns	0.0
AL (Thinning)	18	3.24^**	6.6	3.40^**	26.8
RL (Thinning AL)	38	2.55^**	4.6	3.55^**	28.5
Pruning	2	1.54^ns	1.6	3.52^*	28.16
AL (Pruning)	12	0.74^ns	0.0	1.19^ns	0.0
RL (Pruning AL)	27	0.96^ns	4.6	0.87^ns	0.0
Thinning × Pruning	4	15.60^**	43.4	0.72^ns	0.0
AL (Thinning Pruning)	22	1.01^ns	0.02	1.35^ns	3.9
RL (Thinning Pruning AL)	44	0.50^ns	0.0	0.81^ns	0.0
		T/R ratio		VS
Block	2	7.69	0.1	38.28	0.5
Thinning	2	11.99^**	44.4	15.62^**	48.3
AL (Thinning)	18	2.98^**	8.0	2.25^**	4.1
RL (Thinning AL)	38	4.95^**	16.0	1.77^**	2.5
Pruning	2	0.42^ns	0.0	3.13^*	7.0
AL (Pruning)	12	1.09^ns	0.4	0.90^ns	0.0
RL (Pruning AL)	27	1.47^ns	1.9	0.78^ns	0.0
Thinning × Pruning	4	7.17^**	25.0	10.81^**	32.4
AL (Thinning Pruning)	22	0.79^ns	0.0	1.51^ns	1.7
RL (Thinning Pruning AL)	44	1.08^ns	0.3	0.45^ns	0.0

Significant at α = 0.05;
Significant at α = 0.01;
No significant difference at α = 0.05.
df: degree of freedom, Var: variance components, DBH: diameter of breast high (1.3 m above ground level), PHW: relative heartwood proportion, VHW: volume of heartwood content, MCG: green moisture content, BD: basic density, AL: axial level, RL: radial level, TS: tangential shrinkage, RS: radial shrinkage, T/R ratio: shrinkage coefficient of anisotropy, VS: volumetric shrinkage.