Diversities of decay resistance and n-hexane-extractive contents in seven half-sib families from plus trees in todomatsu (Abies sachalinensis)

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 1 Stem diameter, air-dry density, and percentage of heartwood in seven todomatsu half-sib families

Family	n	D (cm)		AD (g/cm³)		Heartwood (%)
Family	n	Mean	SD	Mean	SD	Mean	SD
Hokuyu101	6	13.9	2.1	0.30	0.03	56	4
Saroma102	7	13.3	1.6	0.28	0.01	58	7
Kamikawa105	5	12.9	2.1	0.27	0.01	57	8
Ohyubari104	7	15.8	2.7	0.29	0.01	58	4
Ohyubari110	7	15.3	2.4	0.29	0.02	55	5
Sapporo101	7	15.8	2.2	0.27	0.01	59	6
Gamushi109	6	15.1	1.9	0.28	0.02	53	5
Mean/total	45	14.7	2.3	0.28	0.02	57	6
Among family variations		ns		ns		ns

D diameter at 1.3 m above ground, AD air-dry density, SD standard deviation, ns no significance