Wood properties of Hinokiasunaro (Thujopsis dolabrata var. hondae) grown in Shimokita peninsula, Aomori
2018
Tanabe, J. (Chiba University (Japan). Faculty of Education) | Ishiguri, F. | Takashima, Y. | Aruga, M. | Sanpe, H. | Ohshima, J. | Iizuka, K. | Yokota, S.
Annual ring width, basic density and compressive strength parallel to grain of Hinokiasunaro (Thujopsis dolabrata var. hondae) were investigated for plantation- and naturally-grown trees in Shimokita peninsula, Aomori, Japan. Although radial growth rate of plantation-grown trees was two times faster than that of naturally-grown trees, there was no significant difference in basic density between the two grown conditions. This result suggests that effect of radial growth rate on basic density is small in this species. Though no significant correlation coefficients were found between annual ring width and compressive strength, compressive strength of plantation-grown trees showed slightly smaller value than that of naturally-grown trees.
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