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- W2183637461 abstract "Vari ations in dimensions of tracheary elements of Kigelia africana (Lam) Benth. and Newbouldia laevis (P.Beauv.) Seemann ex Bureau growing in the rainforest and derived savanna areas of Edo State are reported. Both taxa exhibit short vessel lengths ( 3.0µm) and decrease in wall thickness from derived savanna to the rainforest area. Taxa vessels are tailless having simple perforation with simple pits arranged in rows. Fibres are long (1600 µm), medium (900-1600µm) except in K. africana growing in the derived savanna areas where short lengths (<900µm) were encountered. Variations in fibre dimensions were significant at 1% and 5% probability levels between K. africana growing in the two ecological zones but were only significant at 5% probability level in fibre diameter of N. laevis growing in the two ecological zones. Taxa fibres were non-pitted and septations were only encountered in species found in the rainforest zone. Fibre /vessel length ratio in both taxa is greater than 1 and ratios approaching 10 are phylogenetically more advanced and specialized. Higher mean maximum values were obtained in vessel element lengths of K. africana and N. laevis growing in the rain forest zone. N. laevis from the derived savanna had thicker fibre walls than its counterpart in rain forest. Both species are suitable for various end-uses but are however not suitable for high grade pulp because of their relative low fibre length and runkel ratio (<1) which was low. (Okoegwale. E.E, Ogie-Odia E and Idialu J.E. Tracheary elements characteristics of Kigelia africana (Lam) Benth and Newbouldia laevis (P. Beauv) Seemann ex. Bureau growing in rainforest and derived savanna regions of Edo State, Nigeria. Life Science Journal 2010;7(4):7-13). (ISSN: 1097-8135)." @default.
- W2183637461 created "2016-06-24" @default.
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- W2183637461 date "2010-01-01" @default.
- W2183637461 modified "2023-09-27" @default.
- W2183637461 title "Tracheary elements characteristics of Kigelia africana (Lam) Benth and Newbouldia laevis (P. Beauv) Seemann ex. Bureau growing in rainforest and derived savanna regions of Edo State, Nigeria." @default.
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