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Research Journal of Forestry
  Year: 2008 | Volume: 2 | Issue: 1 | Page No.: 22-33
 
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Wood Quality Studies in Plantation-Grown Sterculia (Sterculia setigera Del.) in the Guinea Savanna, Nigeria

Oluwadare Abiodun Oluwafemi and Egbewole Zacheaus Tunde

Abstract:
Wood quality studies were carried out on the plantation material to ascertain its suitability for papermaking. Physical parameters, ring width and fibre morphology were studied in axial and radial directions in five trees. Mean pith diameter ranged from 5.00-6.60 mm and increased significantly (p<0.05) from base to top. Bark thickness, bark and bast fibre proportion were 5.50-7.40, 24.96-31.59 and 10.06-12.69%. Bark thickness and bast fibre proportion significantly decreased from base upward while bark proportion increased. Grain orientation increased from base to the middle of the stem and later decreased to the top. Significant between-tree variation was observed for ring width with a range of 4.9 mm in tree 5 to 6.2 mm in tree 2; however, no consistent pattern along the stem axis was observed. Radially, it increased from pith to ring 5, then a leveling-off before a decrease towards the bark. Fibre length, lumen width and cell wall thickness varied significantly along the stem axis with a range of 2.46-2.64 mm, 19.50-21.15 μm and 2.83-3.16 μm. All the derived indices showed the species to be suitable for writing and printing papers. There was homogeneity in the overall distribution of the measured indices within the trees. The dependence of the derived values on fibre dimensions was evidence in the significant correlation between them. Based on the fibre biometry of the species, it will be beneficial and worthwhile to consider plantation establishment of this species on large-scale for papermaking in Nigeria.
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How to cite this article:

Oluwadare Abiodun Oluwafemi and Egbewole Zacheaus Tunde , 2008. Wood Quality Studies in Plantation-Grown Sterculia (Sterculia setigera Del.) in the Guinea Savanna, Nigeria. Research Journal of Forestry, 2: 22-33.

URL: https://scialert.net/abstract/?doi=rjf.2008.22.33

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