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Juvenile wood characterization of Eucalyptus botryoides and E. maculata by using SilviScan
Universidade de Lisboa, Portugal.
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.
RISE - Research Institutes of Sweden, Bioeconomy.
Universidade de Lisboa, Portugal.
2018 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 13, no 2, p. 2342-2355Article in journal (Refereed) Published
Abstract [en]

The wood properties of 6-year-old Eucalyptus botryoides and Eucalyptus maculata point towards a possible aptitude for solid-wood end uses. Samples from E. botryoides and E. maculata were characterized regarding within-tree variation in wood density, radial and tangential fibre width, fibre wall thickness, fibre coarseness, microfibril angle, and stiffness based on SilviScan measurements taken radially from the pith outwards at varying stem height levels. The mean values of the studied wood properties for E. botryoides and E. maculata were, respectively: density 507 kg m-3 and 695 kg m-3, radial fibre width 17.4 Όm and 17.2 Όm, tangential fibre width 16.7 Όm and 16.9 Όm, fibre wall thickness 1.8 Όm and 2.5 Όm, fibre coarseness 161.2 Όgm-1 and 212.9 Όgm-1, microfibril angle 15.5° and 14.7°, and stiffness 9.6 GPa and 12.1 GPa. The variation in wood stiffness was explained to a large extent by microfibril angle and wood density variations. The results of the scans, along with the wood variability, indicated that both species should be considered for solid wood products or pulp production.

Place, publisher, year, edition, pages
2018. Vol. 13, no 2, p. 2342-2355
Keywords [en]
Wood density; Microfibril angle; Wood stiffness; SilviScan; Eucalyptus botryoides; Eucalyptus maculata
National Category
Wood Science
Identifiers
URN: urn:nbn:se:ri:diva-33754DOI: 10.15376/biores.13.2.2342-2355Scopus ID: 2-s2.0-85045184886OAI: oai:DiVA.org:ri-33754DiVA, id: diva2:1203196
Available from: 2018-05-02 Created: 2018-05-02 Last updated: 2018-08-14Bibliographically approved

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