Senior Research Scientist 
(Plant Breeder)
Phone (Mobile): +233(0)24 470 3666, 
Phone (Office): +233 3220 504221/2

Email: This email address is being protected from spambots. You need JavaScript enabled to view it. or This email address is being protected from spambots. You need JavaScript enabled to view it.

Skype Id: K.Offei.Bonsu


Mr. K. Offei Bonsu attended Presbyterian Boys Secondary, Legon and Winneba Secondary School, and holds a B.Sc. (Hons.) degree in Agriculture and M.Sc. (Crop Science) from the University of Cape Coast (UCC), in Ghana. He also holds a Diploma in Education from the UCC. He has under gone trainings in varied areas in horticulture plant breeding, biotechnology, bio-safety issues and scientific writing.

He has varied research interests in Plant breeding and genetics with emphasis in vegetable breeding. He is currently involved in the development local land races of vegetables like okra, African eggplant, hot chilies. He is also to improving the shelf life in tomato.

He was a research and teaching assistant during his national service at the animal science department of School of Agriculture, University of UCC from 1987 -1989. He continued to work for two more years as a research and teaching assistant in the same department before registering for his M.Sc. programme in Crop Science in 1991-1994. During the post graduate programme to he served as a research and teaching assistant for the Crop Science department of the School of Agriculture UCC. After graduation he briefly taught Agricultural science at the Aggrey Memorial Senior Secondary School in Cape Coast before joining Horticulture Division of the CSIR-Crops Research Institute as a Vegetable Breeder.

Mr. K Offei Bonsu has the following local and international affiliations:

•    Member Ghana Institute of Horticulturists (GhIH)

•    Member of CSIR- Research Staff Association (RSA)

Mr. K Offei Bonsu has a good number of peer reviewed publications in international journals. He has travelled extensively, conducted research across the length and breadth of Ghana and collaborated in research outside Ghana. He has participated in several national and international scientific conferences and workshops in Ghana and outside Ghana. He has good knowledge and experience in project management and writing of research proposals for funding. 

He is currently head of division at the Horticulture Improvement Division of the CSIR-Crops Research Institute

List of Recent Publication
M.K.Osei, K. O. Bonsu, A. Agyeman, H.S. Choi (2014) Genetic diversity of Tomato germplasm in Ghana using morphological characters. International Journal of Plant & Soil Science 3(3):220-231, 2014 Article no. IJPSS.2014.001

M.K.Osei, K.O.Bonsu, A. Agyeman, J. Gyau, H.S. Choi (2013) Germplasm collections: a prerequisite for tomato breeding programme in Ghana.  Advanced Crop Science Journal Vol. 3(9) pp. 568-578

Yeboah Edward, Antwi Boasiako Ohene, Ekyem Seth Obosu, Tetteh Francis Marthy and Bonsu Kwasi Offei (2013) Biochar for Soil Management: Effect on Soil Available N and Soil Water Storage Journal of Life Sciences Vol. 7, No. 2, pp. 202-209

Mochiah M. B., Banful B., Fening K. N., Amoabeng B. W., Offei Bonsu K., Ekyem S.,Braimah H. and Owusu-Akyaw M. (2011). Botanicals for the management of insect pests in organic vegetable production Journal of Entomology and Nematology Vol. 3(8), pp. 85-97, August 2011 Available online at ISSN 2006- 9855 ©2011 Academic Journals.

M.K. Osei, K.O. Bonsu, S.O. Ekyem and R. Akromah  (2009) Morphological Characterization of Tomato (Lycopersicon esculentum) Germplasm in Ghana Agricultural Innovations for Sustainable Development Contributions from the Finalists of the Young Professionals in Science Competition Volume 1 Issue 1 Edited by Dr Kevin Urama, Judith Francis, Mr Marsden Momanyi, Dr Sheila Ochugboju, Mr Arnold Ominde, Dr Nicholas Ozor and Mr Guy Manne. Published by the African Technology Policy Studies Network, P O  Box 10081, 00100 GPO Nairobi  Kenya  2009    Published by the African Technology Policy Studies Network ISBN: 978 9966-7434-4-8  pp41-48