A Review of the Literature of Dalbergia melanoxylon

Topics: Seed, African Blackwood, Germination Pages: 11 (3071 words) Published: April 25, 2014
International Journal of Plant and Forestry Sciences
Vol. 1, No. 1, January 2014, PP: 1 - 6
Available online at http://www.ijpfs.com/

Review article

A Review of the Literature of Dalbergia melanoxylon

Dr. Washa B. Washa

Lecturer, Life sciences Department
Mkwawa University College of Education,
P.O. Box. Private Bag Iringa Tanzania
E-mail: wbugalama@yahoo.com
0752 356 709

Last review of the literature of D. melanoxylon (African Blackwood) or Mpingo was done on the late 1990’s under the African Blackwood Conservation Project (ABCP) stationed in Tanzania. Recent investigations on propagation methods of this species has brought new attention of researchers to look forward on how they can rescue the species from being threatened or extinct which can be caused by its low regenerative ability by natural methods in the natural environments. It was now a proper time to add new information to the literature of D. melanoxylon from various recent findings covering about thirteen (13) years from the last review of the literature of the species. This literature review was written to organize useful information for researchers who are planning to investigate advanced propagation techniques on this species including tissue culture and mycorrhiza association of the species as recent findings on the species. This review has also exposed the threats of the species, recent status of the species in Tanzania and Africa, recently recommended research to be taken in consideration Ethnobotanical and ecological literatures as previous and early findings were not able to take botanists to the advanced propagation techniques which have been reported recently and finally Biology and silviculture of Dalbergia melanoxylon. Copyright © IJPFS, all rights reserved. Keywords: African Blackwood, Dalbergia melanoxylon, Propagation, Mpingo, Ethnobotanical

___________________________________________________________________________ Introduction
Increasing harvesting of Dalbergia melanoxylon for commercial timber, forest clearing for new settlements and agriculture, frequently occurring bushfires, low regenerative ability of the species by natural methods and lack of the national conservation efforts presents a serious threat to the future availability of Dalbergia melanoxylon in Tanzania. This statement is a summation of the problems facing Dalbergia melanoxylon today in Tanzania and allover the world and that immediate methods for multiple seedling production for propagation of D.


International Journal of Plant and Forestry Sciences
Vol. 1, No. 1, January 2014, PP: 1 - 6
Available online at http://www.ijpfs.com/
melanoxylon is needed. Dalbergia melanoxylon in Tanzania is classified as Lower Risk / near threatened meaning that it is neither endangered nor of least concern. However it may be considered near threatened if propagation efforts are not instituted (Washa et al., 2012). Dalbergia melanoxylon is also called African Blackwood (in English) or mpingo (in Swahili) as used by Tanzanians (Redhead, and Temu, 1981). Little research which has been conducted so far on habitat, sivilculture, germination, rooting, propagation, mycorrhizal association and callus induction have shown that it is possible to establish a national large scale plantation of D. melanoxylon if a means of multiple productions of seedlings is obtained. Recent findings on mycorrhiza association and rooting indicated high ability of seedling production (Washa et al., 2012) but massive harvesting of cuttings for rooting practices is associated with deforestation practices. The remaining possible method for seedling multiple production without deforestation is tissue culture which recently have succeeded to induce callus in D. melanoxylon. This literature review therefore is also intended to ask for grants support from organizations, institutions and...

References: [1] Amri, E. (2008). Effect of Timing of Seed Collections an Provenances on seed viability and germination
capacity of Dalbergia melanoxylon
[2] Amri, E. (2010). Effect of age of the donor plant, IBA treatment and cutting position to the rooting ability of
stem cuttings in Dalbergia melanoxylon
[3] Beale, D. (1995). "Tree! What Tree? An Ecological Economic Approach to Producing a Sustainable Mpingo
Trade." Master’s thesis, University of Edinburgh.
[4] Bryce, J.M. (1967). The commercial timbers of Tanzania. Moshi (Tanzania): Tanzania Forest Division,
Utilization Section, p
[6] Fauna and Flora International (1995). "The Proceedings of the Maputo Workshop — Towards Conservation
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[7] Gillet, J.B., Polhill, R.M. and Verdourt, B. (1971). Flora of tropical East Africa. Part 3: Leguminosae, subfamily Papilionoidae.
[8] Lamrood, P. Y and Vaidya, J. G. (2001). Fungal genera of the Pune City. Department of Botany, Pune
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[11] Mugasha, A.G. (1978). The effects of planting season, different planting materials and weeding methods on
early performance of Dalbergia melanoxylon at Kwamarukanga, Korogwe, Tanzania
[12] Nshubemuki, L. (1993). Recent research progress in the silviculture of Dalbergia melanoxylon in Tanzania.
[13] Platt, I. and Evison, S. (1994)."In-Country Investigation into the State of Knowledge about the
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Dalbergia melanoxylon as a Case Study." Master’s thesis, University of Edinburgh,
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[19] Washa, B. W. (2008). Dependence of Dalbergia melanoxylon Natural Population on Root Suckers
[20] Washa, B.W and Nyomora, A. M. S. (2012). The effect of moisture and seed treatment on the In-situ and
ex-situ regeneration of Dabergia melanoxylon (African Blackwood) in Pugu Forest reserve
[21] Washa, B.W; Nyomora, A.M.S and Lyaruu H, V. (2012). Improving Propagation Success of
D.melanoxylon (African Blackwood) in Tanzania
[22] Washa, B.W; Nyomora, A.M.S and Lyaruu H, V. (2012). Improving Propagation Success of
D.melanoxylon (African Blackwood) in Tanzania
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