Birgen J.K, Siboe G.M 1982 Leaf- blotch and fruit rot of pomegranate Plant protection bulletin FAO
Kimaru S.K, Birgen J.K, Waudo S.W E. Monda 2004 Effects on Neem Kernel cake powder (NKCP) on Fusarium wilt of tomato when used as soil amendment Journal of Agricultural and Rural Development in the tropics and subtropics
Elizabeth Awuor Ouna, J Birgen, S Ekesi 2011 Entomopathogenicity of hyphomycete fungi to fruit fly Bactrocera invadens (Diptera Tephridae) and their potential biological control on mango RUFORUM
Ngundo, G.W. Kariuki, G.M. Kariuki, F.W. Birgen, J.K. 2012 Evaluation of Root- knot Nematode Management Strategies Based on their Distribution in Tomato Fields in Mwea, Kenya RUFORUM
Wendot, P.K. Kariuki, G.M. Kariuki, F.W. Birgen, J.K. Njue, A. Ngundo, G.W 2012 Towards Development of Site-Specific Technologies for Identification of Fields Infested with Root-knot Nematodes (RKN) under Tomato Cropping System in Mwea, Kenya RUFORUM
AK Machocho, CP Rugumamu, JK Birgen, O Amuka, E Asiimwe, JA Orwa, C Mbakaya, J Obua, S Okoth 2012 The status of green gram production, pest and disease management in parts of Lake Victoria basin Inter-University Council for East Africa Lake Victoria Research Initiative
JW Kibunja, JK Birgen, GM Kariuki, DL Coyne 2014 The use of Trichoderma spp. Alongside resistant tomato varieties for root-knot nematode management under field conditions in coastal Kenya Journal of Nematology,
Birgen, J.K. 2017 Effects of stages of maturity on the susceptibility of tomato fruits to postharvest fungal pathogens International Journal of Plant and Animal Sciences
Birgen, J.K. Mugo, D.N. 2017 Inhibitory effects of Fungicides and Neem Kernel Cake Powder extract on mycelial growth of Fusarium oxysporum f. sp lycopersici Inhibitory effects of Fungicides and Neem Kernel Cake Powder extract on mycelial growth of Fusarium oxysporum f. sp lycopersici Inhibitory effects of Fungicides and Neem Kernel Cake Powder on mycelial growth of Fusarium oxysporum. sp. Lycopersici International Journal of Plant and Animal Sciences
Birgen, J.K. 2020 Postharvest fungi and diseases of tomato fruits in selected markets in Kenya International Journal of Plant and Animal Sciences
Ndivo MF , Njeru ME and Birgen JK 2018 Efficacy of Neem, Garlic and Aloe Extracts in the Management of Postharvest Potato Soft Rot Caused by Erwinia carotovora Asian Journal of Research in Crop Science
Kaguchia SM, Gitahi SM, Thoruwa CL, Birgen JK, Hassanali A 2018 Bioefficacy of Selected Plant Extracts against Sitophilus zeamais on Post-Harvest Management of Zea mays Journal of Phytopharmacology
Akwa TE, Maingi JM, Birgen JK 2020 Susceptibility of Common Bean (Phaseolus vulgaris L) Cultivars Grown in Menoua Division, West Region of Cameroon to Storage Fungi Pathogens Journal of Horticultural Science Research
Akwa TE, Maingi JM, Birgen JK 2020 Assessing the incidence of common bean (Phaseolus vulgaris L.) infection by fungi during harvest and storage in Cameroon Studies in Fungi
Birgen JK, Cheruiyot RC, Akwa TE 2020Mycotoxin Contamination of Stored Maize in Kenya and the Associated Fungi Journal of Plant Pathology Research
Akwa TE, Maingi JM, Birgen JK 2020 Characterisation of Fungi of Stored Common Bean Cultivars Grown in the Menoua Division Journal of Plant Physiology and Pathology
Njagi A, Nyamwang MM, Mugendi EM, Birgen JK 2021 Antibacterial effect of Artemisia and ginger extracts in controlling Agrobacterium tumefaciens in roses Journal of Floriculture and Landscaping
