profESSOR johnson adedayo adetumbi
research professor
area of specialization: seed science
Email: jaadetumbi@yahoo.com, jaadetumbi@iart.gov.ng.
Phone Number: +2347060490215
RELEVANT PUBLICATIONS:
1. Adetumbi J.A. (2019): Influence of Micro-Environment of Storage Materials on Kenaf Seed Quality Under Ambient Storage Conditions. Moor Journal of Agricultural Research. 20 (2): 117 – 127.
2. Adetumbi J.A., Manga M, Jallow D., Akintoye N. A. and Omodele T. (2020): Assessment of Agro-Ecological Influence on the Seed Quality of Groundnut (Arachis hypogea) in The Gambia. Ghana Journal of Agricultural Sciences 55 (2): 59 – 69.
3. Adetumbi J.A, Akinyosoye S.T., Oduwaye O.F., Kareem K.T., Olakojo S.A., Kehinde T.O., Adekoya M.A., Adeniji O.T. and Fayeun L.S. (2022): Registration of ‘ARTPEA/BBT/72/B’ and ‘ARTPEA/BBT/22/W’ Brown Blotch-Tolerant and Early-Maturing Cowpea Cultivars for Humid Ecologies of Nigeria. Journal of Plant Registrations 16 (2): 1-7.
4. Kareem K. T., Oduwaye O F, Adediji A. O., Akinyosoye S.T, and Adetumbi J.A. (2023): Effect of bean common mosaic virus on seed germination and yield of cowpea (Vigna unguiculata [L.] Walp.) breeding lines and characterisation of virus strains. Virus Disease.
5. Adedugba A A, Adeyemo O A, Adetumbi J.A., Ilesanmi O.J., and Ogunkanmi L.A. (2023). Genetic diversity and population structure of some Nigerian and four African countries’ sorghum landraces [Sorghum bicolor (L.) Moench] using Genotyping-By-Sequencing (GBS) SNP markers. South African Journal of Botany. 162: 495-504.
6. Akinyosoye S.T, Oladipo M.S., Fafemi T.O., Sheu H.T., Adetumbi J.A. and Mshelmbula B.P. (2025). Genetic estimates of winged bean [Psophocarpus tetragonolobus (L.) DC] genotypes for agronomic traits. Journal of Underutilized Legumes. 7 (1): 57 – 66.
7. Olukotun A.S., Amusat A.S. and Adetumbi J.A. (2025). Impact of climate change on food security in Nigeria: The perspective of agricultural experts. Journal of Research in Agriculture and Food Sciences, 2 (3): 241-251.
8. Akinyosoye S.T, Anjorin F.B., Fafemi T.O., Olarewaju S.T., Olasoji J.O., Akintoye N.A., Adetumbi J.A. (2025). Genetic Analysis of Seed Size, Maturity Class and Seed Coat Colour in Tropical Maize Inbred Lines for Yield Improvement. Acta Hort Regiotec, 28, (1): 45–57.
9. Kehinde T. O., Atanda T. D, Adetumbi J. A, Shittu M. M., Adebisi M. A., Alawode Y. O, Azeez W and Salawu A. A. (2025) Biochemical Composition of Kenaf (L ) Seeds as Influenced by Storage Condition. Journal of Natural Science, Engineering and Technology, 24: 288-297.
10. Oduwaye O. F., Kareem KT. Adetumbi J.A., Oyeniyi O.S., Ogunfunmilayo A.O, Dada A.O., Kazeem S.A. (2025). Identification and characterisation of seedborne Mycopathogens associated with Sunflower (Helianthus annuus) accessions. Journal of Research in Agriculture and Food Sciences, 2 (2): 187-197.
On-Going Research Project
I: Development of Sunflower Technologies for Enhanced Nutrition and Income
II: Development of Roselle Technologies for Enhanced Nutrition and Income Generation
Research Gate Address: www.researchgate.net/profile/Adedayo-Adetumbi
Google Scholar Id: jaadetumbi
ORCID: 0000-0001-9278-2385

