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African Journal of Biotechnology
Article . 2012 . Peer-reviewed
Data sources: Crossref
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Regeneration of the East African greenheart, Warburgia ugandensis (Sprague) through tissue culture

Authors: Kuria, MW; Ngumi, VW; Machua, JM; Odee, DW; Njenga, PK;

Regeneration of the East African greenheart, Warburgia ugandensis (Sprague) through tissue culture

Abstract

Warburgia ugandensis is a medicinal plant in the family Canellaceae. There has been a very high demand for Warburgia products for medicinal purposes leading to overexploitation. Warburgia also produces recalcitrant seeds, a fact that has hindered the natural regeneration of this species. In this study, clonal propagation was postulated to be an alternative to propagation through seeds. Shoot tip explant materials were obtained from glasshouse maintained seedlings and these were surface sterilized using both ethanol and sodium hypochlorite. Shoot proliferation and elongation was achieved on shoot tips cultured on full strength Murashige and Skoog (MS) medium containing 3% sucrose, 1.13 mg L-1 benzylamine purine (BAP) and 0.11 mg L-1 of kinetin (KIN). A combination of BAP and kinetin resulted in a significant (p< 0.01) shoot elongation (3.0 cm) and the number of shoots (4 shoots per explants) after 44 days. The best in vitro rooting (50%) was induced through 1 mg L-1 naphthalene acetic acid (NAA) on a half strength Gamborg’s woody plant medium (WPM) containing 3% sucrose. These results indicate that W. ugandensis can be regenerated via in vitro culture using a combined BAP and kinetin to induce multiple shoots and subsequently rooting them under 1 mg/L NAA. The study has therefore developed a protocol for mass clonal propagation of this important medicinal tree.Key words: In vitro, organogenesis, plant shoots, Warburgia ugandensis

Keywords

In vitro, organogenesis, plant shoots, Warburgia ugandensis

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold