Radial variations in the anatomical characteristics and density of the wood of Acacia mangium of five different provenances in Indonesia

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Abstract

The anatomical characteristics and density of wood were examined in 23-year-old Acacia mangium trees that had been planted in Yogyakarta, Indonesia. The seeds had been collected from trees of five different provenances. The distance from the pith of the boundary between juvenile and mature wood was also examined to clarify the maturity of the wood. Lengths of wood fibers near the pith and the distance from the pith of the boundary between juvenile and mature wood differed significantly among provenances. By contrast, other anatomical characteristics of the wood such as fiber wall area, fiber wall thickness, fiber diameter, vessel lumen area, vessel diameter, vessel frequency and wood density did not differ significantly among provenances. Wood density was strongly correlated with the area of fiber walls. Our observations suggest that Sidei and Daintree might be more appropriate provenances among those examined for the Acacia mangium tree-breeding programs in Indonesia that are aimed at improving wood quality, because these provenances are associated with longer initial wood fibers and narrower juvenile areas than the other provenances studied. © 2011 The Japan Wood Research Society.

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Nugroho, W. D., Marsoem, S. N., Yasue, K., Fujiwara, T., Nakajima, T., Hayakawa, M., … Funada, R. (2012). Radial variations in the anatomical characteristics and density of the wood of Acacia mangium of five different provenances in Indonesia. Journal of Wood Science, 58(3), 185–194. https://doi.org/10.1007/s10086-011-1236-4

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