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Journal of Forests

June 2020, Volume 7, 1, pp 32-35

Seedlings Performance of Triplochiton scleroxylon (K. Schum.) under Different Light Intensities and Soil Textural Classes

Iroko, O. A.


Asinwa, I.O.


Odewale, M.A.


Wahab, W.T.

Iroko, O. A. 1 ,

Asinwa, I.O. 1 Odewale, M.A. 1 Wahab, W.T. 1 
  1. Forestry Research Institute of Nigeria. 1

Pages: 32-35

DOI: 10.18488/journal.101.2020.71.32.35

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Article History:

Received: 01 July, 2020
Revised: 06 August, 2020
Accepted: 28 August, 2020
Published: 18 September, 2020


Forest trees are socio-economically important but are currently threatened. This study adopted 4×4 factorial experiment in completely randomized design with ten replicates to assess effects of light intensities (100%LI, 75%LI, 50%LI and 25%LI) and soil textural classes (Sandy, Loamy, Sandy-loam and Clay) on the early growth of Triplochiton scleroxylon seedlings as a necessary step for domestication. Data collected was subjected to One-way Analysis of Variance (ANOVA). The best performance for light intensity was observed under 100%LI with plant height 14.79±1.26cm, collar diameter 2.28±0.18mm and 13.11±0.96 number of leaves while the least performance was observed in seedlings under 25%LI with seedling height 10.23±0.59cm, collar diameter 1.97±0.13mm and 6.41±0.45 number of leaves and best performance in soil textural classes was recorded under loamy soil with seedling height 14.90±1.20cm, collar diameter 2.33±0.18mm and 13.11±0.32 number of leaves while the least performance was observed in seedlings grown with sandy soil with seedling height 11.00±0.61cm, collar diameter 1.99±0.13mm and least number of leaves was recorded in seedlings with sandy-loam with 7.41±0.55 number of leaves. Overall best performance was observed in seedlings grown with sandy-loam under 100%LI with seedling height 23.80±0.75cm, collar diameter 4.69±0.34mm and 14.79±0.29 number of leaves while the least performance was observed in seedlings grown with clay under 25%LI with seedling height 10.30±0.68cm, least collar diameter 3.69±0.28mm and number of leaves 13.69±0.28 was observed in seedlings grown with sandy soil under 75%LI. Therefore, it implies that the specie require little or no shade for rapid growth and will thrive well with sandy-loam soil.
Contribution/ Originality
This study revealed that T. scleroxylon seedlings can be raised successfully under different light intensity and soil textural class which makes the species a good candidate for afforestation, enrichment planting, soil amendment, land reclamation and restoration to check climate change, land degradation and loss of biodiversity due to land encroachment.


Triplochiton scleroxylon, Light intensity, Soil textural classes, Plant height, Collar diameter, Number of leaves, Domestucation.


[1]          J.-X. Liao, X.-Y. Zou, Y. Ge, and J. Chang, "Effects of light intensity on growth of four Mosla species," Botanical Studies, vol. 47, pp. 403-408, 2006.

[2]          A. Vyse, M. R. Cleary, and I. R. Cameron, "Tree species selection revisited for plantations in the Interior Cedar Hemlock zone of Southern British Columbia," The Forestry Chronicle, vol. 89, pp. 382-391, 2013.

[3]          S. S. Lawson and C. H. Michler, "Afforestation, restoration and regeneration—not all trees are created equal," Journal of Forestry Research, vol. 25, pp. 3-20, 2014.

[4]          J. Hall and S. Bada, "The distribution and ecology of Obeche (Triplochiton scleroxylon)," Journal of Ecology, vol. 67, pp. 543-564, 1979.

[5]          P. P. Bosu and E. Krampah, Triplochiton scleroxylon K. Schum: In Louppe D, Oteng Amoako AA, Brink M (Eds). Wageningen, Netherlands: Timbers / Lumber, 2005.

[6]          K. Okunomo, "Utilization of forest products in Nigeria," African Journal of General Agriculture, vol. 6, pp. 145-157, 2010.

[7]          D. O. Adelani, M. A. Aduradola, I. O. O. Aiyelaagbe, O. Akinyemi, and C. I. Agbaje, "Growth promoters of tropical forest tree seedlings: A Review," Biological and Environmental Sciences Journal for the Tropics, vol. 11, pp. 92-100, 2014a.

[8]          D. O. Adelani, M. O. Adedire, M. A. Aduradola, and R. A. Suleiman, "Enhancing seed and seedling growth of forest trees," Biological and Environmental Sciences Journal for the Tropics, vol. 11, pp. 50-56, 2014b.


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This study received no specific financial support.

Competing Interests:

The authors declare that they have no competing interests.


All authors contributed equally to the conception and design of the study.

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