Short CV/Education and training

Work Experience

  • 2010 – 2013
    Programme Coordinator, West Africa Centre for Crop Improvement (WACCI)

  • Since 2009
    Lecturer, Crop Science Department, University of Ghana, Legon

  • 2007 – 2008
    Post-Doctoral Fellowship in Southern Asia

  • 2002 – 2004
    Weekend Arborist, Cornell University Community Forestry Outreach Program

  • 2002 – 2004
    Administrative Assistant, Institute for African Development (IAD), Cornell University

  • 2001 – 2004
    Teaching Assistant, Horticulture Department, Cornell University


  • 2007
    PhD. Cornell University, Department of Horticulture, Ithaca, NY

  • 2003
    M.S. Cornell University, Department of Horticulture, Ithaca, NY

  • 1999
    BSc. University of Science and Technology, Agriculture Department, Kumasi, Ghana

Selected publications

  • Agyeman, C., Okorley, B.A., Amissah, J.N. and Nyaku, S.T. (2021). Evaluation of tomato (Solanum lycopersicum 'Pectomech') grafts against root-knot nematode Meloidogyne incognita. Acta Hortic. 1302, 177-184.

  • Amissah, J.N. (2019). Loss of Indigenous Crop Species: Implications for Crop Diversity and Food Security in Ghana. Science and Development 3: 64-83.

  • Nyawudzo, G. Amissah, J.N., Kusi, F. & Ofori, K. (2019). Morphological and Molecular Characterization of Frafra Potato (Solenostemon rotundifolius) Accessions in Ghana. Science and Development 3: 1-19.

  • Osei-Tutu, C., Amissah, J.G.N., Amissah, J.N. & Saalia, F.K. (2019). Physicochemical and Sensory Characteristics of Bread Made from Wheat-Frafra Potato (Solenostemon rotundifolius) Composite Flour Science and Development 3: 20-29.

  • Nyaku, S. T., & Amissah, N. (2019). Grafting: An Effective Strategy for Nematode Management in Tomato Genotypes. In: Recent Advances in Tomato Breeding and Production. IntechOpen. [Book Chapter].

  • Hua, L. Hadziabdic, D., Amissah, N., Nowicki, M., Boggess, S., Teng, N & Trigiano, R. N. (2018). Characterization of fifteen microsatellite loci and genetic diversity analysis for the Ghanaian food security crop Solenostemon rotundifolius (Frafra potato). Afr. J. Biotechnology Vol.17(47), 1352-1357.

  • Okorley, B., Agyeman, C., Amissah, N., & Nyaku, S. (2018). Screening Selected Solanum Plants as Potential Rootstocks for the Management of Root-knot Nematodes (Meloidogyne incognita). International Journal of Agronomy. 6, 1-9.

Complete list of publications

Selected projects

  • Propagation, cultural practices, genetic and biochemical diversity of Cryptolepis sanguinolenta

  • Grafting as a means to control Meloidogyne infestation in tomato genotypes.

  • The potential of indigenous crop species to promote food security in the face of climate change

Membership in scientific bodies/juries

  • Member of the American Society for Horticultural Science (ASHS), since 2017

  • Member of the Society for Medicinal Plant and Natural Product Research (GA), since 2016

  • Member of the International Society for Horticultural Science (ISHS), since 2010

Additional qualifications

  • Visiting Scholar, Harvard University, Harvard Center for African Studies, February – June 2018

  • Postdoctoral Fellow, National Institute for Agricultural Botany, U.K., March – July 2016


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