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Research Journal of Medicinal Plants
Year: 2012  |  Volume: 6  |  Issue: 6  |  Page No.: 425 - 432

Investigation of Phytohormonal Potential of Some Selected Tropical Plants

K.M. Okukpe, A.A. Adeloye, M.A. Belewu, O.I. Alli, O.A. Adeyina and A.A. Annongu    

Abstract: The aim of this study was to investigate the phytohormonal potential of eight selected tropical plants. Seeds of Tribulus terrestris, Mucuna pruriens, Myristica fragrans, Glycine maximum, leaves of Hyptis suaveolens, Allium cepa, root of Daucus carota and rhizomes of Dioscorea villosa were evaluated for phytohormonal and metabolite constituents for possible extraction to enhance reproductive performance in livestock. The selected plant parts were analyzed for metabolites such as saponin, alkaloids, flavonoids, oxalates and saponin, as well as plant hormones such as auxin, absussic, cytokinin and gibberellins. The result revealed that flavonoid was significantly low in all the selected plants. Saponin was highly significant (p<0.05) in Tribulus terrestris, Myristica fragrans, Dioscorea villosa and Daucus carota. Phytates was highly significant in Mucuna pruriens, Hyptis suaveolens, Glycine maximum and Allium cepa. Oxalates and alkaloids ranged between slightly low and medium in all the selected plants. Auxin was significantly high in Mucuna pruriens, Myristica fragrans, Allium cepa, Hyptis suaveolens and Glycine maximum, while gibberellins was significantly high in Tribulus terrestris, Dioscorea villosa and Daucus carota. Absussic and cytokinin flunctuate between low and medium in all the selected plants except in Hyptis suaveolens where cytokinin was not significantly different from auxin. In conclusion, selected plants such as Tribulus terrestris, Myristica fragrans, Dioscorea villosa and Daucus carota with high saponin will hypothetically be use to enhance reproductive performance of animals generally. Myristica fragrans might be useful in females due to its high saponin and auxin, while Dioscorea villosa and Daucus carota could be use on males due to its high saponin and gibberellins. Tribulus terrestris, Allium cepa, Hyptis suaveolens and Glycine maximum could be researched for phytohormonal effect on both sexes.

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