1. Olakojo, O.O., F. Bankole and D. Ogunniyan, 2021. Correlation, regression and cluster analyses on yield attributes and popping characteristics of popcorn (Zea mays L. everta) in derived savanna and rainforest agro-ecologies of Nigeria. Acta Agric. Slov., Vol. 117. 10.14720/aas.2021.117.3.1625.
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2. Ogunniyan, D., J. Adetumbi, J. Olasoji and S. Makinde 2021. The Variability of Grain Yield, Seed Morphometric and Vigour Traits of Early Maturing Hybrid Maize. J. Agric. Sci. 66: 105-119.
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3. Ogunniyan, D., J. Adetumbi, J. Olasoji and S. Makinde 2021. The Variability of Grain Yield, Seed Morphometric and Vigour Traits of Early Maturing Hybrid Maize. J. Agric. Sci. 66: 105-119.
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4. Ogu, D.J., O.O. Olakojo, S.T. Akiny and S.A. Makinde, 2021. Analysis of grain yield of early-maturing yellow-endosperm maize hybrids under nitrogen stress and optimal conditions using ammi biplot. Int. J. Plant Breed. Genet., 15: 24-33.
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5. Aderiye, K.O.S., T.O. Kehinde, J.A. Adetumbi, D.J. Ogunniyan and M.A. Adebisi, 2021. Response of groundnut (Arachis hypogaea L.) genotypes to accelerated ageing treatment. Notulae Sci. Biol., Vol. 13. 10.15835/nsb13110833.
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6. Olasoji, J.O. and D.J. Ogunniyan, 2020. Genetic variability in physiological seed quality of maize genotypes of different maturity groups. Int. J. Plant Soil Sci., 10.9734/ijpss/2020/v32i1730381.
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7. Olowolafe, M.O., S.T. Akinyosoye, J.A. Adetumbi, D.J. Ogunniyan, O.F. Owolade, F.B. Anjorin and O.A. Agbeleye, 2019. Genetic evaluation of cowpea (Vigna unguiculata (L.) walp.) using morphological characters. J. Agric., For. Social Sci., 14: 34-50.
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8. Ogunniyan, D.J., S.O. Olakojo and D.K. Ojo, 2019. Genetic variability and inter-relatedness of agronomic traits of single cross hybrid maize in contrasting soil nitrogen-nutritional conditions. Int. J. Plant Soil Sci., 10.9734/ijpss/2019/v29i430147.
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9. Ogunniyan, D.J., O.O. Olakojo, M.O. Olowolafe and O.A. Agbeleye, 2019. Estimation of Combining ability and gene actions in maize for grain yield and selected agronomic traits under contrasting soil nitrogen conditions. J. Exp. Agric. Int., 29: 1-11.
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10. Ogunniyan, D.J., D.K. Ojo, S.A. Olakojo, S.A. Makinde and O.A. Omikunle, 2019. Differential grain yield performance of single cross hybrid maize in varied nitrogen conditions. Afr. Crop Sci. J., 27: 445-461 .
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11. Ogunniyan, D.J., D.K. Ojo, S.A. Olakojo and O.A. Talabi, 2019. Diallel analysis of maize inbred lines for agronomic traits in nitrogen stress and optimal conditions. Ghana J. Agric. Sci., 54: 10-23.
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12. Otegbayo, B.O., D.J. Ogunniyan, B.A. Olunlade, O.O. Oroniran and O.E. Atobatele, 2018. Characterizing genotypic variation in biochemical composition, anti-nutritional and mineral bioavailability of some Nigerian yam (Dioscorea spp.) land races. J. Food Sci. Technol., 55: 205-216.
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13. Ogunniyan, D.J., S.A. Olakojo, G. Olaoye, B. Ogunruku and M. Busari, 2018. Agronomic performances and maturity index of sugarcane (Saccharum officinarum) Forest-Savannah-Transition agro-zone of Nigeria. J. Agric. Sustain., 11: 54-74.
14. Ogunniyan, D.J., S.A. Makinde, F.A. Akinbode and F.O. Oduwaye, 2018. Multivariate analysis of grain yield contributing traits and disease response of inbred lines of maize (Zea mays). Applied Trop. Agric., 23: 79-90.
15. Ogunniyan, D.J., S.A. Makinde and S.O. Omikunle, 2018. Stability analyses of fibres yield of kenaf using multiple biometrical models. Cercetări Agron. Moldova, 51: 51-63.
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16. Ogunniyan, D.J., C.O. Alake and F.A. Anjorin and S.A. Makinde, 2018. Agronomic performance of hybrids of white low-nitrogen maize (Zea mays L.) inbred lines under managed nitrogen environments. Trop. Agric., 95: 18-30.
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17. Anjorin, F.B., S.A. Adejumo, J.A. Adediran, A.K. Adebayo, D.J. Ogunniyan and S.O. Olanipekun, 2018. Influence of different fertilizer application rates on growth and yield components of two maize varieties in a forest-savannah-transition agro-ecology zone. Afr. J. Agric. Technol. Environ., 7: 109-122.
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18. Akinfasoye, J.A., J.A. Fagbayide, E.O. Ajayi and D.J. Ogunniyan, 2018. Comparative effect of organic fertilizers on growth and yield of long cayenne pepper in two agro-ecological zones of Nigeria. J. Agric. Sci., 63: 1-10.
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19. Ogunniyan, D.J., S.A. Makinde and S.O. Omikunle, 2017. Genotypic variability and stability of fibre yield components in kenaf (Hibiscus cannabinus L.). J. Agric. Res. Dev., 16: 22-35.
20. Ogunniyan, D.J., J.O. Olasoji and J.A. Adetumbi, 2017. Effects of heterosis on seed vigour of white kernel maize (Zea mays L.). Seed Technol., 38: 33-48.
21. Anjorin, F.B., S.A. Adeyemo, K.S. Are and D.J. Ogunniyan, 2017. Seedling establishment, biomass yield and water use efficiencies of four maize varieties as influenced by water stress. Cercetari Agron. Moldova, 50: 21-34.
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22. Ogunniyan, D.J., O.N. Adeniyan, O.A. Aluko, S.O. Olanipekun and F.B. Anjorin, 2016. Seasonal performance and traits relationships of kenaf (Hibiscus cannabinus L.) cultivars grown in Forest-savannah-transition agro-ecology. Moor J. Agric. Res., 17: 37-50.
23. Ogunniyan, D.J., B.O. Otegbayo and B. Akinwumi, 2016. Appraisal of genetic diversity and relatedness of some cultivated yam (Dioscorea spp.) genotypes. Niger. J. Genet., 30: 67-77.
24. Ogunniyan, D.J., 2016. Assessment of genetic divergence in kenaf (Hibiscus cannabinus L.) genotypes using agro-botanical characteristics and multivariate analysis. SABRAO J. Breed. Genet., 48: 61-71.
25. Ogunniyan, J.D., O.A. Oduwaye, S.A. Olakojo and D.K. Ojo, 2015. Genetic variability, repeatability, traits relationships and path coefficient analysis in low nitrogen donor white inbred lines of maize (Zea mays L.). Maydica, Vol. 60. .
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26. Ogunniyan, D.J. and S.A. Olakojo, 2015. Genetic variation, heritability, genetic advance and agronomic character association of yellow elite inbred lines of maize (Zea mays L). Niger. J. Genet., 29: 111-121.
27. Ogunniyan, D.J. and F.M. Tairu, 2015. Genotypic and season effects on the adaptability of common okra (Abelmoschus esculentus L. Moech) in super humid agro-ecology. Trop. Agric., 92: 92-101.
28. Otegbayo, B., D. Oguniyan and O. Akinwumi, 2014. Physicochemical and functional characterization of yam starch for potential industrial applications. Starch/Stärke, 66: 225-418.
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29. Ogunniyan, D.J. and S.A. Olakojo, 2014. Genetic variability of agronomic traits of low nitrogen tolerant open-pollinated maize accessions as parents for top-cross hybrids. J. Agric. Sustain., 6: 179-196.
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30. Anjorin, F.B. and D.J. Ogunniyan, 2014. Comparison of growth and yield components of five quality protein maize varieties. Int. J. Agric. For., 4: 1-5.
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31. Akinbode, O.A., D.J. Ogunniyan, J.O. Olasoji, S. Ajijola and F.B. Anjorin et al., 2014. Survey of resurgence of maize diseases in South Western and Kwara States of Nigeria. Int. J. Agric. For., 4: 451-458.
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32. Akinfasoye, J.A., D.J. Ogunniyan and E.O. Ajayi, 2013. Agronomic performance of rain-fed and irrigated commercial tomato hybrids. Int. J. Vegetable Sci., 19: 26-33.
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33. Ogunniyan, D.J., S.A. Olakojo and M.A. Adebayo, 2012. Breeding and Crop Improvement in Nigeria: Prospects and Challenges. In: Challenges in Sustainable Production in Agriculture and Environment, Ijeomah, H.M. and A.A. Aiyeloja (Eds.). University of Port Harcourt, Nigeria, pp: 81-104.
34. Idowu-Agida, O.O., D.J. Ogunniyan and E.O. Ajayi, 2012. Screening long cayenne pepper (Capsicum frutescens L.) accessions collected from Southwest Nigeria for agronomic performance. Afr. J. Plant Sci. Biotechnol., 6: 50-55.
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35. Idowu-Agida, O.O., D.J. Ogunniyan and E.O. Ajayi, 2012. Flowering and fruiting behavior of long cayenne pepper (Capsicum frutescens L.). Int. J. Plant Breed. Genet., 6: 228-237.
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36. Idowu-Agida, O.O., D.J. Ogunniyan and E.O Ajayi, 2011. Seedling emergence and vigour assessment of long cayenne pepper (Capsicum frutescens L.) collected from Southwest Nigeria. Geneconserve, 40: 293-310.
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37. Akindele, J.A., D.J. Ogunniyan and E.O. Ajayi, 2011. Phenotypic relationship among agronomic characters of commercial tomato (Lycopersicum esculentum) hybrids. Am. Eurasian J. Agron., 4: 17-22.
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38. Ogunniyan, D.J. and O.S. Eludoyin, 2009. Evaluation of arable crop seed supply systems in South-West Nigeria. J. Agric. Social Res., 9: 68-77.
39. Ogunniyan, D.J. and J.A. Akinfasoye, 2007. Vegetable seeds supply systems in Osun State, Nigeria. Niger. J. Hortic. Sci., 12: 18-24.
40. Ogunniyan, D.J. and M.O. Akoroda, 2004. On seed-yam production and management in South-western Nigeria. Bowen J. Agric., 1: 117-126.