Dr. Julian Onyewuonyeoma  Osuji

Dr. Julian Onyewuonyeoma Osuji

University of Port Harcourt, Nigeria

Highest Degree
PostDoc. in Biotechnology, Molecular Genetics from John Innes Centre, England

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Area of Interest:

Plant and Soil Sciences
Plant Taxonomy
Molecular Genetics




John Innes Centre, England

Biotechnology, Molecular Genetics



University of Port Harcourt, Nigeria

Biosystematics, Plant Taxonomy



University of Port Harcourt, Nigeria

Biosystematics, Plant Taxonomy



University of Port Harcourt, Nigeria


Selected Publications

  1. Osuji, J.O. and S.D. Jr. Owei, 2010. Mitotic index studies on Treculia africana decne. in Nigeria. Aust. J. Agric. Eng., 1: 25-28.
    Direct Link  |  

  2. Osuji, J.O. and J.U. Agogbua, 2010. Arrangement of Calcium oxalate structures in the root apex confers a meristem-protection function in yam (Dioscorea rotundata poir). Scientia Afr., 9: 166-175.

  3. Osuji, J.O. and I.J. Nsaka, 2009. Histochemical localization and probable functions of calcium oxalate crystals in Nigerian cocoyams. Niger. J. Plant Protect., 26: 91-98.

  4. Okoli, B.E. and J.O. Osuji, 2008. The status of research on the cytogenetics of Nigerian fruit crops. Nig. J. Botany, 21: 358-372.

  5. Nwachukwu, E.O. and J.O. Osuji, 2008. Evaluation of plant extracts for antifungal activity against Sclerotium rolfsii causing cocoyam cormel rot in storage. Res. J. Agric. Biol. Sci., 4: 784-787.

  6. Nyananyo, B.L. and J.O. Osuji, 2007. Biosystematic characterization of Sphenostylis stenocarpa (Hochst ex A. Rich.) harms. Nig. J. Botany, 20: 411-419.

  7. Nwachukwu, E.O. and J.O. Osuji, 2007. Bioremedial degradation of some herbicides by indigenous white rot fungus, Lentinus subnudus. J. Plant Sci., 2: 619-624.
    CrossRef  |  Direct Link  |  

  8. Osuji, J.O., B.E. Okoli and J.S. Heslop-Harrison, 2006. Cytology and molecular cytogenetics of Cucumeropsis mannii Naudin: Implications for breeding and germplasm characterization. Int. J. Bot., 2: 187-192.
    CrossRef  |  Direct Link  |  

  9. Osuji, J.O., B.E. Okoli and H.O. Edeoga, 2006. Karyotypes of the A and B genomes of Musa L. Cytologia, 71: 21-23.
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  10. Osuji, J.O., 2006. Microstructural characters of the inflorescence bracts distinquish between Musa sapientum L. and M. paradisiacal L. Int. J. Botany, 2: 11-16.

  11. Osuji, J.O. and E.O. Nwachukwu, 2006. Investigations of the occurrence of some heavy metals in the corms of some Nigerian aroid cultivars in the Niger delta region of Southern Nigeria. J. Nig. Environ. Soc., 5: 53-57.

  12. Onyeachusim, H.D., J.O. Osuji and B.E. Okoli, 2006. Distribution and habitats of some endangered rare Nigerian tree species. J. Nig. Environ. Soc., 5: 242-248.

  13. Ekanem, A.M. and J.O. Osuji, 2006. Mitotic index studies on edible cocoyams (Xanthosoma and Colocasia spp.). Afr. J. Biotechnol., 5: 846-849.
    Direct Link  |  

  14. Osuji, J.O. and R.O. Eke, 2005. Energy pollution and the corrosion of the biosphere and biodiversity. Nig. J. Corrosion, 3: 73-77.

  15. Osuji, J.O. and H.O. Edeoga, 2005. Karyological studies on Vigna subterranea (L.) Verdc. from Nigeria. Cytologia, 70: 167-169.
    CrossRef  |  Direct Link  |  

  16. Osuji, J.O. and B.C. Ndukwu, 2005. Probable functions and remobilisation of calcium oxalates in Musa L. Afr. J. Biotechnol., 4: 1139-1141.
    Direct Link  |  

  17. Anyanwu, D.I. and J.O. Osuji, 2002. Effect of light attenuation on the chlorophyll content of four varieties of Vigna unguiculata (L.) Walp. Afr. J. Applied Zool. Environ. Biol., 4: 12-16.

  18. Osuji, J.O. and B.E. Okoli, 2001. Enhancing research on plantain, Musa paradisiacal L. through molecular cytogenetics. Nig. J. Genet., 16: 1-9.
    CrossRef  |  Direct Link  |  

  19. Anyanwu, D.I. and J.O. Osuji, 2001. An evaluation of the agroforestry capability of Vigna unguiculata (L.) Walp. under attenuated light conditions. J. Innovations Life Sci., 6: 17-24.

  20. Osuji, J.O., B.E. Okoli and R. Ortiz, 2000. Taxonomic value of calcium oxalate crystals in Musa germplasm. Acta Hort., 540: 137-146.
    Direct Link  |  

  21. Harper, G., J.O. Osuji, J.S. Heslop-Harrison and R. Hull, 1999. Integration of banana streak badnavirus into the Musa genome: Molecular and cytogenetic evidence. Virology, 255: 207-213.
    CrossRef  |  PubMed  |  Direct Link  |  

  22. Osuji, J.O., J. Crouch, G. Harrison and J.S. Heslop-Harrison, 1998. Molecular cytogenetics of Musa species, cultivars and hybrids: Location of 18S-5.8S-25S and 5S rDNA and telomere-like sequences. Ann. Botany, 82: 243-248.
    Direct Link  |  

  23. Osuji, J.O., E.N. Onyeike and A.S. Nwachukwu, 1998. Histochemical localization of tannins in ripe and unripe fruits of Musa L. (Musaceae). J. Innovations Life Sci., 3: 42-47.

  24. Osuji, J.O., 1998. Chromosomal investigations of infra-specific taxa in Musa paradisiacal L. (Plantain: Musa spp. AAB group). J. Innovations Life Sci., 3: 87-92.

  25. Osuji, J.O., R. Ortiz and D. Vuylsteke, 1997. Ploidy variation in hybrids from interploid 3x X 2x crosses in Musa. Tropicultura, 15: 37-39.
    Direct Link  |  

  26. Osuji, J.O., G. Harrison, J. Crouch and J.S. Heslop-Harrison, 1997. Identification of the genomic constitution of Musa L. lines (bananas, plantains and hybrids) using molecular cytogenetics. Ann. Bot., 80: 787-793.
    CrossRef  |  Direct Link  |  

  27. Osuji, J.O., B.E. Okoli, D. Vuylsteke and R. Ortiz, 1997. Multivariate pattern of quantitative trait variation in triploid banana and plantain cultivars. Scientia Hortic., 71: 197-202.
    CrossRef  |  Direct Link  |  

  28. Osuji, J.O., B.E. Okoli and R. Ortiz, 1997. Histochemical localization of calcium oxalate crystals in fruits of plantain and banana cultivars. Fruits, 52: 5-10.

  29. Osuji, J.O., B.E. Okoli and R. Ortiz, 1996. Cytological evaluation of plantains, bananas and their hybrids: Technique for mitotic study. Nig. J. Genet., 10: 1-7.

  30. Osuji, J.O., B.E. Okoli and R. Ortiz, 1996. Conservation and characterization of Musa genetic resources. Nig. J. Genet., 10: 8-13.

  31. Osuji, J., B.E. Okoli and R. Ortiz, 1996. An improved procedure for mitotic studies of the Eumusa section of the genus Musa L. (Musaceae). Infomusa, 5: 12-14.