G. Aflakpui, F. Boa-Amponsem, V. Anchirinah, V.M. Anchirinah, S. Osei-Yeboah, Grace E-K. Bolfrey-Arku, P. Osei-Bonsu, H. Asurnadu, J.A. Manu-Aduening, P.B. Allou, P.K. Akowuah and Asare Baffour
Journal of Plant Sciences 2 ( 1 ): 68 - 74 , 2007