Proportion and quality of heartwood in Togolese teak ( Tectona grandis L.f.)

Although teak ( Tectona grandis L.f.) is an important indigenous timber species to south-east Asia, teak plantations have been established widely throughout the tropics and successfully in Togo since 1920. However, no studies exist concerning the quality of Togolese teak wood depending on age and st...

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Bibliographic Details
Published in:Forest ecology and management 2004-02, Vol.189 (1), p.37-48
Main Authors: Kokutse, Adzo Dzifa, Baillères, Henri, Stokes, Alexia, Kokou, Kouami
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Autoecology
Biological and medical sciences
Density
forest plantations
Forestry
Fundamental and applied biological sciences. Psychology
Generalities. Production, biomass. Quality of wood and forest products. General forest ecology
geographical variation
Heartwood
Juvenile wood
Life Sciences
Modulus of elasticity
Plants and fungi
Production. Biomass
stand characteristics
Tectona grandis
Tectona grandis L.f
tree age
Vegetal Biology
wood anatomy
wood density
Wood quality
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Summary:Although teak ( Tectona grandis L.f.) is an important indigenous timber species to south-east Asia, teak plantations have been established widely throughout the tropics and successfully in Togo since 1920. However, no studies exist concerning the quality of Togolese teak wood depending on age and stand situation. The heartwood proportion, modulus of elasticity ( E L) and wood density at 12% moisture content of 80 trees of various ages from different ecological zones in Togo were examined. Results showed that the percentage of heartwood differed significantly in trees depending on the ecological zones. Density at 12% moisture content was significantly correlated to tree age and diameter at breast height. In juvenile wood, density was highly variable, but tended to increase before stabilising with age, whereas E L in adult wood was significantly greater than that in juvenile wood.
ISSN:0378-1127
1872-7042
DOI:10.1016/j.foreco.2003.07.041