1. Patrick Kumah, Lartey Emmanuel Nunoo and Odum Bismark (2020). Anti-microbial Effect of Cocoa Leaf Extracts on Botryodiplodia theobromae; Leading Causative Organism of Crown Rot Disease of Banana (Musa acuminata). Asian Journal of Agricultural and Horticultural Research, 7(3): 40-50. AJAHR.54488 ISSN: 2581-4478
2. P. Kumah, P. K. Tandoh and K. S. Konadu (2020). Effect of Different Waxing Materials on the Quality and Shelf Life of Mysore Banana Variety. Asian Journal of Advanced Research and Reports, 12(1): 1-11. DOI: 10.9734/AJARR/2020/v12i130277
3. K. Awuah, P. Kumah and P. K. Tandoh (2019). Effect of packaging materials on insect mortality and aflatoxin contamination in stored maize under different conditions. Journal of Experimental Agriculture International, 29(3): 1-8.
4. A. Oppong, P. Kumah and P. K. Tandoh (2019). Physico-chemical quality responses of mango chips dried to different moisture contents, packaged and stored for six months. Advances in Research, 18(1): 1-14, 2019.
5. Nabila Fuseini Alhassan and Patrick Kumah (2018). Determination of postharvest losses in maize production in the Upper West Region of Ghana. American Scientific Research Journal for Engineering, Technology, and Sciences, 44 (1): 1-18.
6. Stella Agyemang Duah, Geoffrey Emi-Reynolds, Patrick Kumah and Daniel Agyarko Larbi (2018). Effect of gamma irradiation on the microbiological quality and shelf life of Engraulis encrasicolus in Ghana. International Journal of Fisheries and Aquaculture, 10(3): 16-21.
7. E. Amoateng, P. Kumah and I. Yaala (2018). Effect of postharvest application of different concentrations of 1-methylcylclopropene on quality and shelf-life of two tomato (Solanum lycopersicum) cultivars. Journal of Agriculture and Ecology Research International, 14(1): 1-11.
8. Kumah, P., Appiah, F. and Opoku-Debrah, J. K. (2011). Effect of hot water treatment on quality and shelf-life of Keitt mango. Agriculture and Biology Journal of North America, 2(5): 806-817.
9. A. Boakye-Dankwa, B. K. Maleekuu, P. Kumah and P. K. Tandoh (2020). Effect of three pickling agents on the physicochemical properties of two varieties of cucumber stored under tropical ambient conditions. Archives of Current Research International, 20(5): 18-23. DOI: 10.9734/ACRI/2020/v20i530193
10. C Y Krah, P Kumah, S Mardjan, A C Njume (2020). Effect of different threshing methods on the physical characteristics of two varieties of paddy rice. Earth and Environmental Science, 542: 1-9. doi:10.1088/1755-1315/542/1/012022
11. M. E. Amoateng, P. Kumah, I. Yaala and B. Amoasah (2019). Influence of different concentrations of 1-methylcyclopropene (1-mcp) and storage conditions on the physico-chemical properties and shelf-life of tomatoes (Solanum lycopersicum L.). Asian Journal of Agricultural and Horticultural Research, 4(1): 1-11.
12. Eric Arthur, Ibok Oduro and Patrick Kumah (2015). Effect of maturity stage and postharvest calcium chloride treatment on the quality and storage life of tomatoes (Lycopersicon esculentum Mill). Journal of Postharvest Technology, 03 (03): 074-081.
13. Eric Arthur, Ibok Oduro and Patrick Kumah (2015). Postharvest quality response of tomato (Lycopersicon Esculentum, Mill) fruits to different concentrations of calcium chloride at different dip times.  American Journal of Food and Nutrition, 5 (1) 1-8.
14. Amoako, P.K., Kumah, P. and Appiah, F. (2014). Pesticides Usage in Cabbage (Brassica oleracea) Cultivation in the Forest Ecozone of Ghana. Acta Horticulturae, 1021. 401-407.
15. Kumah, P. Amoako, P.K. and Idun, I.A. (2014). Cold storage: an option in reducing pesticide residue levels in cabbage (Brassica oleracea) heads. Acta Horticulturae, 1021, 427-432
16. Enyan F., Banful B.K.B., Kumah P. (2013) Physical and organoleptic qualities of coffee bean under different drying methods and depths of drying in a tropical environment. International Research Journal of Plant Science, 4(9) pp. 280-287.
17. Appiah, F., Maalekuu, B.K., Kumah, P., Bakang, J.A., Kwoseh, C. and Arthur, E. (2012) Quality response of cabbage (Brassica oleracea L. var. Capitata) heads to different package sizes and pre-cooling by shading. African Journal of Food Science and Technology, 3(1): 1-7.
18. Kumah. P., Olympio, N. S. and Tayviah, C. S. (2011). Sensitivity of three tomato (Lycopersicon esculentum) cultivars - Akoma, Pectomech and Power- to chilling injury. Agriculture and Biology Journal of North Agriculture and Biology Journal of North America, 2(5): 799-805.
19. Abugre, C., Appiah, F. and Kumah, P. (2011). The effect of time of harvest and drying method on the nutritional composition of spider flower (Cleome gynandra L) Int. J. Postharvest Technology and Innovation, 2(3): 221-232.
20. Appiah, F., Asibuo, J. Y and Kumah, P. (2011). Physicochemical and functional properties of bean flours of three cowpea (Vigna unguiculata L. Walp) varieties in Ghana. African Journal of Food Science 5(2): 100-104. Available online: http://www.academicjournals.org/ajfs.
21. Appiah F., Kumah, P., E. A. Odame (2010). Postharvest handling of Cabbage (Brassica oleracia var capitata), carrot (Daucus carrota) and garden egg in Kumasi, Ghana. Ghana Journal of Horticulture, 8: 78-84.
22. Idun, I., Adzraku, H-V., Appiah, F., Kumah, P., P. Y. Adjei and Daaku, B. Y. A. (2009). Assessment of quality, shelf-life and consumer preference of three varieties of banana (Musa spp.) on the Ghanaian market. Ghana Journal of Horticulture, 7: 96-102.
23. Olympio N. S., Kumah P. (2002). Packaging for marketing of fruits, vegetables and floricultural produce in Ghana. Ghana Journal of Horticulture, 1: 109-116.

Books/Chapters in Books

1. Patrick Kumah, Ben Banful and Abdul-Halim Abubakari (2012). Ghana - The challenge: translating policies that favour horticulture into “facts on the ground” In: Growing Greener Cities in Africa. (ed. Graeme Thomas). First status report on urban and peri-urban horticulture in Africa. Rome, Food and Agriculture Organisation. FAO, Rome. ISBN 978-92-5-107268-8, Pp. 63-65,102-103.
2. P. Kumah and N. S. Olympio (2008). Postharvest Physiology of Horticultural Crops. Manual for MPhil. Postharvest Technology Distance Learning Programme, KNUST, Kumasi.
3. F. Appiah and P. Kumah (2008). Processing and Packaging Technology. Manual for MPhil. Postharvest Technology Distance Learning Programme, KNUST, Kumasi.
4. N. S. Olympio and P. Kumah (2008). Quality Control of Horticultural Crops. Manual for MPhil. Postharvest Technology Distance Learning Programme, KNUST, Kumasi.
5. Haleegoah, J., Olympio, N.S., Amaglo, N. K., Amponsah, B.F., Ellis, W.O., Lamptey, J.N.L., Timpo G.M., Boateng, P.Y. and Kumah, P. (2006). A manual for improved vegetable crop production. Barnes Press, Kumasi, Ghana. Pp 31

Technical Report

1. Valentijn Venus, Daniel Asare, William Agyemang and Patrick Kumah (2017). CHEETAH (Chains of Human Intelligence Towards Efficiency and Equity in Agro-food Trade along the Trans-Africa Highway) PILOT PROJECT REPORT.
2. FRUIPROTEC Applied Research Fund (ARF) of the Netherlands Organisation for Scientific Research (NWO) (2014-2017) 3-year funded project -Development of automated solar powered fruit drying technology for smallholder farmers in Ghana (FruitProTech).
3. Kumah P. (2013). Solar drying technology of cassava and yam, and their by-products, for food security in Ghana – A completion report submitted to the Council for scientific and industrial research, Agricultural Service Sub-Sector Investment Project, Ghana.
4. Kumah, P., Banful, B. and Abubakari, H. (2010). Report on The State of Urban and Peri-Urban Horticulture in Africa (SOUPHA) Ghana -Country Report for FAO. Presented at the UPH Symposium in Dakar, Senegal. 4-9 December.
5. Kumah, P. (2010). Survey report on Urban and Peri-Urban Horticulture (UPH) –Ghana. Report submitted to the FAO, Rome.
6. Maalekuu, B. K., Appiah, F., Kumah P. (2009). Simple postharvest technology interventions for the BMGF Appropriate Postharvest Technology Planning Project. End-of-Project Report submitted to World Food Logistics Organisation (WFLO). Project sponsored by Bill and Malinda Gates Foundation.
7. Maalekuu, B. K., Appiah, F., Kumah P., Bakang, J. B., Korseh, C. (2009). Identification of Appropriate Technologies for Improving Market Access and Incomes for Small Farmers in Sub-Saharan Africa and Asia. Report submitted to World Food Logistics Organisation (WFLO). Project sponsored by Bill and Malinda Gates Foundation.
8. Kumah, P., Mahunu, G., Abubakari, H., Idun, I., Pritchard, M., Ceplis, D., Owen, J., MacDonald, M. R. (2009). End of Year Report on AIC/CIDA International Twinning Partnership Project (ITPP) –Ghana Submitted to the Agricultural Institute of Canada (AIC).
9. Gamed, E., Adu-Dapaah, H. K., Ofori, D., Okyere, B. G., Kumah, P., Owusu, R. K., Adu-Ampomah, Y., Vordzogbe, V. (2007). National Information Sharing Mechanism on Implementation of the Global Plan of Action for Conservation and Sustainable Use of Plant Genetic Resources –FAO-WIEWS. Country Report submitted to FAO.
10. Atuahene, C. C. Gyiele, L. A., Kumah, P., Osei, S.A. Atuah, L., Timpo, G. M., Olympio, N. S., Adzraku, H., Idun, I. and Attoh-Kotoku, V.  (2007). Empowerment of female students in science, mathematics and technology (SMT) disciplines in tertiary institutions in Ghana: A case study of Kumasi metropolis. FAWE/KNUST SMT Project final report submitted to FAWE International, Kenya.
11. Atuah L., Ellis W. O., Kumah P., Fenning, J., Idun I., Bakang J. A. (2006). Ornamental Research Programme. A completion report submitted to the Council for Scientific and Industrial Research, Agricultural Services Sub-sector Investment Project, Ghana.
12. Atuah L., P. Kumah, Ellis W.O., Fenning, J. Formulation of soiless media for houseplant production using sawdust and coconut coir for both the local and export markets. A report submitted to the Council for Scientific and Industrial Research, Agricultural Services Sub-sector Investment Project, Ghana.  February (2006).
13. Ellis W.O., Atuah L., Kumah P., Idun I., Bakang J. A. (2006). Establishing standard methodologies and quality parameters in the floriculture industry in Ghana. A report submitted to the Council for Scientific and Industrial Research, Agricultural Services Sub-sector Investment Project, Ghana.
14. Kumah, P. (2006). Strengthening the Capacity of GhIH for Social Development Priorities. A Project completion report on AIC/CIDA International Twinning Partnership Project (ITPP) –Ghana submitted to the Agricultural Institute of Canada (AIC).
15. Ellis W.O., Atuah L., Kumah P., Bakang J. A. (2004). Survey of the floriculture industry in Ghana – A report submitted to the Council for scientific and industrial research, Agricultural Service Sub-sector Investment Project, Ghana.