Dr. Ojo David  Kolawole
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Dr. Ojo David Kolawole

Professor
University of Agriculture, Nigeria


Highest Degree
Ph.D. in Plant Breeding and Genetics from University of Agriculture, Nigeria

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Area of Interest:

Plant and Soil Sciences
100%
Soil Science
62%
Seed Technology
90%
Plant Breeding
75%
Genetics
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Ayo-Vaughan, M.A., O.J. Ariyo, D.K. Ojo, C.O. Alake and O.A. Oduwaye, 2010. Random Amplified Polymorphic DNA(RAPD) characterization of some Nigerian cowpea genotypes. Niger. J. Genet., 23/24: 102-112.
  2. Atungwu, J.J., K.I. Animashun, A.R. Popoola and D.K. Ojo, 2010. Field report of sources of resistance in cotton to Meloidogyn incognita in Nigeria. Int. J. Nematology, 20: 230-235.
  3. Alake, C.O., D.K. Ojo, M.A. Adebisi and M.A. Ayo-Vaughan, 2010. Selection criteria for Nigerian sesame (Sesamum indicum L.) genotypes. J. Trop. Agric., 48: 49-51.
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  4. Sanni, K.A., O.J. Ariyo, D.K. Ojo, G. Gregorio, E.A. Somado, I. Sanchez, M. Sie, K. Futakuchi, S.A. Ogunbayo, R.G. Guei and M.C.S. Wopereis, 2009. Additive main effects and multiplicative interactions analysis of grain yield performances in rice genotypes across environments. Asian J. Plant Sci., 8: 48-53.
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  5. Sanni, K.A., D.K. Ojo, M.A. Adebisi, E.A. Somado and O.J. Ariyo et al., 2009. Ratooning potential of interspecific NERICA rice varieties (Oryza glaberrimax, Oryza sativa). Int. J. Bot., 5: 112-115.
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  6. Ojo, D.K., S.A. Ogunbayo, K.A. Sanni and R.G. Guei, 2009. The determination of diversity and relationships among forty rice (Oryza sativa L.) accessions by comparative analysis of morphological and RAPD data. Trop. Agric., 86: 40-51.
  7. Sanni, K.A., O.J. Ariyo, D.K. Ojo, G.B. Gregorio and E.A. Somado et al., 2008. Evaluation of variability among upland NERICA rice varieties and their parents using SSR markers. Proceedings of the 21st Annual Conference of the Biotechnology Society of Nigeria, July 16-19, 2008, Abeokuta -.
  8. Sanni, K.A., I. Fawole, R.G. Guei, D.K. Ojo and E.A. Somado et al., 2008. Geographical patterns of phenotypic diversity in Oryza sativa landraces of Cote d' Ivoire. Euphytica, 160: 389-400.
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  9. Ojo, D.K., S.A. Ogunbayo, A.F. Akinwale, O.A. Oduwaye and E.O. Idehen, 2008. Genetic evaluation of phosphorus utilization in tropical cowpea (Vigna unguiculata (L) Walp). Bostwana J. Agric. Applied Sci., 4: 90-98.
  10. Alake, C.O., D.K. Ojo, O.A. Oduwaye and M.A. Adekoya, 2008. Genetic variability and correlation studies in yield-related characters of tropical maize (Zea mays L.). ASSET J. Ser. A., 24: 48-58.
  11. Olatunde, G.O., I.A. Biobaku, D.K. Ojo, O.O.R. Pitan and E.A. Adegbite, 2007. Inheritance of resistance in cowpea (Vigna unguiculata) to the pod-sucking bug Clavigralla tomentosicollis (Hemiptera: Coreidae). Trop. Sci., 47: 128-133.
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  12. Ojo, D.K., J.O. Amira and O.A. Oduwaye, 2007. Genetic variability for biological nitrogen fixation traits in tropical soybeans (Glycine max (L) Merr). Nat. Sci., 5: 69-74.
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  13. Ogunbayo, S.A., D.K. Ojo, A.R. Popoola, O.J. Ariyo and M. Sie et al., 2007. Genetic comparisons of landrace rice accessions by morphological and RAPDs techniques. Asian J. Plant Sci., 6: 653-666.
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  14. Ojo, D.K., O.A. Omikunle, O.A. Oduwaye, M.O. Ajala and S.S. Ogunbayo, 2006. Heritability, character correlation and path coefficient analysis among six inbred lines of maize (Zee mays L.). World J. Agric. Sci., 2: 352-358.
  15. Ojo, D.K., M.S. Oduola and O.A. Oduwaye, 2006. Graphical assessment of yield stability and adaptation in cowpeas (Vigna unguiculata (L.) Walp). Niger. J. Genet., 20: 22-32.
  16. Oduwaye, O.A., D.K. Ojo and C.O. Alake, 2006. Prediction of tuber yield through heritability and genetic advance of tuber yield-related characters in cassava (Manihot esculenta Crantz). Niger. J. Sci., 40: 92-99.
  17. Daniel, I.O., O.T. Adeniji, H.T. Oloyede, D.K. Ojo and A.E. Adegbite et al., 2006. Genetic analysis of earliness and yield in elite parental lines and hybrids of tropical maize (Zea mays L.). J. Genet. Breed,, 60: 289-296.
  18. Aremu, C.O., O.J. Ariyo and D.K. Ojo, 2006. Genetic variability studies of some traits in Soybean (Glycine max ( L) Merr) in Savanna and Humid environments. ASSET Ser. A, 6: 359-366.
  19. Aremu, C.O., D.K. Ojo, O.A. Oduwaye and J.O. Amira, 2006. Comparison of joint regression analysis (JRA) and additive main effect and multiplicative interaction (AMMI) model in the study of G x E interaction in soybean across two agro ecological zones in Nigeria. Niger. J. Genet., 20: 98-110.
  20. Adeniyi, T.A., O.J. Ariyo, M.A. Adebisi, D.K. Ojo and O.J. Amira, 2006. Yield components in soybean using path coefficient and stepwise regression analyses. Proceedings of the 31st Annual Conference of Genetic Society of Nigeria, November 6-9, 2006, Ibadan, pp: 67-71.
  21. Ojo, D.K., 2005. Inheritance pattern and genetics of seed coat colour and seed size in a tropical soybean Glycine max (L) Merr. Cross. J. Genet. Breed., 59: 173-178.
  22. Ojo, D.K. and J.O. Amira, 2005. Genetics of seed size in tropical soybean. Niger. J. Genet., 19: 82-91.
  23. Adebisi, M.A., M.O. Ajala, D.K. Ojo and A.W. Salau, 2005. Influence of population density and season on seed yield and yield components in Nigerian sesame genotypes. J. Trop. Agric., 43: 13-18.
  24. Ojo, D.K., J.O. Amira, F.O. Akinwale and K.T. Akinsipe, 2004. Inheritance of seed yield and related characters in Cowpea. Proceedings of the 29th Annual Conference of the Genetic Society of Nigeria, October 11-14, 2004, University of Agriculture, Abeokuta, pp: 197-200.
  25. Ojo, D.K., 2004. Genetics of seed size in tropical soybean (Glycine max (L) Merr). Proceedings of the 29th Annual Conference of the Genetic Society of Nigeria, October 11-14, 2004, University of Agriculture, Abeokuta, pp: 159-161.
  26. Osho, S.M. and D.K. Ojo, 2003. Effect of house level heat treatments on tripsin inhibitor activity in tropical soybeans. Trop. Oilseeds J., 8: 92-100.
  27. Ojo, D.K., J.O. Amira, R. Abegunde and S.M. Osho, 2003. Variations in agronomic characters and their contributions to grain yield in three maturity groups of tropical soybean. Trop. Oilseeds J., 8: 18-31.
  28. Ojo, D.K., 2003. Seasonal variability, correlation, genetic determination and contribution of nine agronomic traits to seed yield in selected tropical soybean. ASSET Ser. A., 3: 127-136.
  29. Ojo, D.K., 2003. Heritability and combining ability of seedling emergence, grain yield and related characters in six tropical soybean genotypes. Niger. J. Genet., 18: 22-28.
  30. Ojo, D.K. and M.A. Adebisi, 2003. Influence of environment on protein and oil contents of soybean seeds. Trop. Oilseed J., 8: 32-39.
  31. Ogunsunmi, I.O., J.O. Saka, C.A. Afolami, D.K. Ojo and E.O. Fakoya, 2003. Effect of dowry mildew resistance maize technology on farmers yield and income in downy mildew endemic area of Nigeria. ASSET Ser. A, 3: 15-22.
  32. Ajala, M.O., N.O. Adedipe and D.K. Ojo, 2003. The effect of zinc on the viability and seedling growth of deteriorated Soybean and rice. Niger. J. Ecol., 5: 34-38.
  33. Ajala, M.O., M.A. Adebisi and D.K. Ojo, 2003. Effect of moisture content, genotype and storage period on seed quality of thiram-treated maize seeds. Niger. J. Ecol., 5: 21-27.
  34. Ojo, D.K., 2002. Food legume for health and wealth: Achievements and challenges in soybean breeding. Proceedings of the 5th Annual Conference of the Alumni Association, January 12, 2002, University of Agriculture, Abeokuta, Nigeria -.
  35. Ojo, D.K. and E.K. Dashiell, 2002. Gene action of seed longevity, plant height and yield characters in a soybean cross. ASSET Ser. A, 2: 151-156.
  36. Fakoya, E.O., D.K. Ojo and D.B. Oyesola, 2002. Categorization of farmers in relation to use of sustainable land management practices in Ondo State, Nigeria. ASSEST Ser. B., 2: 29-36.
  37. Akintobi, D.C.A., M.A. Adebisi and D.K. Ojo, 2002. Multivariate analysis of phenetic similarity among cowpea (Vigna unguiculata) genotypes and different agro-ecological zones Nigerian. Niger. J. Ecol., 4: 18-23.
  38. Ojo, D.K., R.H. Ellis, R.J. Summerfield and C.A. Akintobi, 2001. Seed quality and maintenance in soybean genotypes sown under irrigated and rainfed tropical field conditions. ASSET Series A, 1: 15-26.
  39. Ojo, D.K., R.H. Ellis and M.O. Ajala, 2001. Effect of time of harvest on seed germination and capacity for seedling emergence in tropical soybean genotypes. Moor J. Agric. Res., 2: 8-14.
  40. Ojo, D.K., O.J. Ariyo, M.A. Adebisi and O.B. Kehinde, 2001. Inheritance of seed longevity in soybeans (Glycine max (L) Merr.). Niger. J. Ecol., 3: 19-23.
  41. Ojo, D.K., O.J. Ariyo and J.O. Amira, 2001. Maternal and Cytoplasmic effects on seed protein content in tropical soybeans (Glycine max (L) Merr). Afr. Crop Sci. Conf. Proc., 5: 117-121.
  42. Ojo, D.K., 2001. Maturity effects on genotype x environment interaction in tropical soybeans (Glycine max (L.) Merril). Proceedings of the 35th Annual Conference of the Agricultural Society of Nigeria, September, 16-21, 2001 University of Agriculture, Abeokuta, Nigeria, -.
  43. Ojo, D.K. and C.O. Amanze, 2001. Prediction of grain yield through heritability and genetic advance of yield parameters in soybeans (Glycine max (L.) Merr.). Niger. J. Ecol., 3: 10-13.
  44. Adebisi, M.A. and D.K. Ojo, 2001. Effects of genotypes on seed quality development under West African rain-fed conditions. Pertanika J. Trop. Agric. Sci., 24: 79-85.
  45. Ojo, D.K., 2000. Genotype x environment analyses and selection for yield stability and adaptation in tropical soybean genotypes. Niger. J. Ecol., 2: 49-55.
  46. Ojo, D.K. and O.J. Ariyo, 2000. Assessment of seed quality of soybean genotypes sown in three contrasting tropical field ecologies using the regression and rank-sum approaches. Moor J. Agric. Res., 1: 16-21.
  47. Ojo, D.K. and O.J. Ariyo, 1999. Inheritance of resistance to the soybean leaf defoliator (Spodoptera litoralis Boisd). J. Genet. Breed., 53: 25-30.
  48. Dashiell, K.E., O.J. Ariyo and D.K. Ojo, 1994. Genotype x environment interaction and simultaneous selection for high yield and stability in soybeans (Glycine maz (L.) Merr). Annal. Applied Biol., 124: 133-139.
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  49. Fakorede, M.A.B. and D.K. Ojo, 1981. Variability for seedling vigor in maize. Exp. Agric., 17: 195-201.
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