Determination of fiber length and juvenile and mature wood zones from Hevea brasiliensis trees grown in Brazil

The aim of this study was to verify the average fiber length and the juvenile and mature wood zones from Hevea brasiliensis proveniences from a reforestation area in Sao Paulo, Brazil. For this purpose, five Hevea brasiliensis trees were randomly collected from a 50-year-old plantation, located in B...

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Bibliographic Details
Published in:European journal of wood and wood products 2011-11, Vol.69 (4), p.659-662
Main Authors: Ferreira, A. L., Severo, E. T. D., Calonego, F. W.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Brief Originals Kurzoriginalia
Ceramics
Composites
Glass
Life Sciences
Machines
Manufacturing
Natural Materials
Processes
Wood Science & Technology
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Summary:The aim of this study was to verify the average fiber length and the juvenile and mature wood zones from Hevea brasiliensis proveniences from a reforestation area in Sao Paulo, Brazil. For this purpose, five Hevea brasiliensis trees were randomly collected from a 50-year-old plantation, located in Balsamo, Sao Paulo, Brazil. The trees were cut and five flat sawn boards were obtained. The juvenile and mature wood zones were determined by fiber length measurement from the pith to the bark. The results showed that: (a) the juvenile wood of this species occurred approx. between 40 and 55 mm, from the pith, and from this point forward, the mature wood zone was found; (b) there was a significant difference between the average fiber length of juvenile wood (1.26 mm) and mature wood (1.51 mm).
ISSN:0018-3768
1436-736X
DOI:10.1007/s00107-010-0510-2