Anatomical properties of Eucalyptus grandis wood and transition age between the juvenile and mature woods

The present study is aimed at evaluating the anatomical characteristics of Eucalyptus grandis wood and the transition age between the juvenile and mature woods. Four trees of 23-year-old E. grandis were used. The juvenile, transition and mature wood zones were found by fiber length measurement from...

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Bibliographic Details
Published in:European journal of wood and wood products 2015-11, Vol.73 (6), p.775-780
Main Authors: Palermo, G. P. de M, Latorraca, J. V. de F, de Carvalho, A. M, Calonego, F. W, Severo, E. T. D
Format: Article
Language:English
Subjects:
Age
Bark
Biomedical and Life Sciences
Cell walls
Ceramics
Composites
Diameters
Eucalyptus
Eucalyptus grandis
Glass
Hardwoods
juvenile wood
juveniles
Life Sciences
Machines
Manufacturing
Natural Materials
Original
Parenchyma
parenchyma (plant tissue)
pith
Processes
Transition zone
trees
Vessels
Wall thickness
Wood
wood properties
Wood Science & Technology
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Summary:The present study is aimed at evaluating the anatomical characteristics of Eucalyptus grandis wood and the transition age between the juvenile and mature woods. Four trees of 23-year-old E. grandis were used. The juvenile, transition and mature wood zones were found by fiber length measurement from the pith to the bark. Samples were taken from juvenile wood, transition wood and mature wood and the anatomical properties of the wood were determined. The results showed that: (1) the fiber length, cell wall thickness, slenderness ratio, cell wall fraction and tangential vessel diameter increase from pith to bark; (2) fibers, axial parenchyma, ray parenchyma cells and vessels are equally distributed from pith to bark; (3) the transition zone between juvenile and mature wood occurs between the age of 8 and 13 years.
ISSN:0018-3768
1436-736X
DOI:10.1007/s00107-015-0947-4