alexa Growth Performance of Domesticated Prunus africana Population in Muguga, Kiambu County, Kenya
ISSN: 2168-9652

Biochemistry & Physiology: Open Access
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Research Article

Growth Performance of Domesticated Prunus africana Population in Muguga, Kiambu County, Kenya

Nyamai DW1*, Mawia AM1, Wambua FK1, Abdirahman YA1, Osano K1, Lagat R1, Mumbi B1, Arika W1, Juma KK1, Anyango E2, Mulugeta M2, Ngugi MP1, Muchugi A2, Ng’ang’a M1, Burugu MW1and Ramni Jamnadass2
1Department of Biochemistry and Biotechnology, School of Pure and Applied Sciences, Kenyatta University, P.O. Box 43844-00100, Nairobi, Kenya
2Genetics Resource Unit, World Agroforestry Centre, P.O. Box 30677- 00100, Nairobi, Kenya
Corresponding Author : Nyamai D Wavinya
Department of Biochemistry and Biotechnology
School of Pure and Applied Sciences, Kenyatta University
P.O. Box 43844-00100, Nairobi, Kenya
Tel: +254713375320
E-mail: [email protected]
Received: September 21, 2015; Accepted: October 16, 2015; Published: October 23, 2015
Citation: Nyamai DW, Mawia AM, Wambua FK, Abdirahman YA, Osano K, et al. (2015) Growth Performance of Domesticated Prunus africana Population in Muguga, Kiambu County, Kenya. Biochem Physiol 4:185. doi: 10.4172/2168- 9652.1000185
Copyright: © 2015 Nyamai DW, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Prunus africana (Hook. f.) is an evergreen tree that grows in African mountains. The species’ bark and bark extracts are used for the treatment of benign prostate hyperplasia. High demand for the bark and bark extracts has led to overexploitation of natural population of the species. P. africana is listed as an endangered species. Conservation of the species can be done through domestication. However, management and growth factors need to be established first to ensure success of on-farm production. The main objective of this study was to evaluate growth characteristics of trees in the domesticated stand at Muguga. Diameter at breast height was measured using a DBH meter, and tree heights were determined using a Suunto meter. The age and ring width of randomly selected trees was measured using TSAPWinTm which was linked to a computer. Height of trees in the domesticated stand at Muguga ranged from 3 meters to 14 meters and diameter at breast height from 0.9 cm to 104.5 cm. Out of the 273 trees in the plantation, 92 (33%) were fruiting at the time of data collection. The age of trees randomly selected from Muguga population was negatively correlated to growth rate (r=-0.0223, p<0.05). There was a non-significant positive correlation between number of cross section growth rings of the selected trees and the diameter at breast height of the trunk (r2=0.0858, r=0.293, p>0.05). The wood density samples from Muguga population was positively correlated to the tree growth rate (r=0.167). Wood density of cross-section samples from Muguga population showed a non-significant negative correlation to the tree diameter at breast height (r=-0.140, p>0.05). The morphological data has important implications in drawing strategies for sustainable harvesting, management and conservation of this species.

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