Adesegun, Aderonke Esther


Principal Research Officer

Area of specialization:

Plant Pathology

Official Email:


M.SC (Environmental MICROBIOLOGY)

Brief Profile

Results-driven professional with outstanding skills in conducting sustainable research with focus on Integrated Pest Management (IPM). A highly motivated individual whose expertise is focused on the study of plant pathology, symptoms and possible treatments; can handle various researches on plant susceptibility to certain diseases, can work under pressure and strict supervision; may be engaged in teaching of plant pathology subject to students of tertiary institutions.


Conference Proceedings

  1. Oyewole, B. O., Adesegun, E. A., Pitan, A. A., Elum, G. C and Oso, O. O. (2018and 2019. Bioassay of three plant materials in the management of Colletotrichum gleosperoides on tomato (Lycopersicon esculentum). Proceedings of 37th Annual Conference of the Horticultural Society of Nigeria (HORTSON) Owo.
  2. Adesegun, E. A., Oyewole, B. O., Pitan, A. A., Oso, O. O. and Elum, G. C. (2018) Variable inhibitory Activity of some Botanicals on the mycelial growth of Sclerotium rolfsii Causal agent of Southern blight Disease of tomato (Lycopersici esculentum Mill). Proceedings of 36th Annual Conference of the Horticultural Society of Nigeria (HORTSON), Lafia.
  3. Adesegun E.A., Adesegun D. A., Pitan A. A. and Akintokun A.O. (2017). Activity of aethiopica (Dunal.) and A. melegueta (K. schum) extracts on sclerotial germination of sclerotium rolfsii (Sac.) and tomato yield.
  4. *E.A. Adesegun, O.S. Adebayo, A.K. Akintokun (2012) Antifungal activity of spices extracts against Sclerotium rolfsii. XXVIIIth IHC – IS on Organic Horticulture: Productivity and Sustainability Eds.: Acta Horticulturae. 933, 415-420
  5. Adesegun E.A., Adebayo O.S. and Fajinmi, O.B. (2011) Colletotrichum Capsici (SYDOW), causal agent of Anthracnose on pepper: Effect of source of plant Extracts and Extraction solvent on inhibition of growth. Proceedings of the 29th Annual Conference of Horticultural Society of Nigeria (HORTSON) Makurdi, 24th-29th July, 2011. Pp. 255-258.
  6. S. Adebayo, *E.A. Adesegun, J.W. Kloepper, H.Y. Fadamiro (2010) Efficacy of plant growth promoting Rhizobacteria for control of bacterial wilt of tomato in Southwestern. ISHS Acta Horticulturae 911:231-234
  7. Oyedeji, E.O. Enikuomehin, O.A. and *Adesegun, E.A. (2009). Pathogenicity of fungal pathogens associated with tomato (Lycopersicon esculentum Mil.) fruits rots.  Proceedings of the 27th Conference of Horticultural Society of Nigeria (HORTSON) Kano, 11th – 16th  Pp.  107 -109.
  8. Akinpelu, C.A., Adeoye, I.B., *Adesegun, E.A. Aminu-Taiwo, B.R, and Akinrinola, A.O. (2009). Survey on usage and consumption pattern of spices in Ibadan, Oyo State, Nigeria.  Proceedings of the 27th Conference of HORTSON, Kano, 11th – 16th, October 2009.  403-406.
  9. Adebayo O.S., *Adesegun E.A., Adeoye I.B. and Kintomo A.A. (2007). Biocontrol of selected soil borne diseases of tomato in southwestern Nigeria. Proceedings of the 25th annual Conference of Horticultural Society of Nigeria (HORTSON) Ibadan, 4th – 8th November, 2007. 163 -166.


  1. Akinyemi S.O. S., Adebayo O. S., Adesegun E. A., Ajayi E.O. (2014) Influence of inorganic fertilizer and spacing on the performance of ginger Zingiber officinale Rose Journal of Biological and chemical Research, Vol. 30 (2) 730-739.
  2. A. Adesegun, A.O. Akintokun , O.S. Adebayo and M.O. Bankole (2013). In vitro effect of fermented maize slurry and ethanol extracts of five plants against Sclerotium rolfsii Sacc. of tomato (Lycopersicon esculentum Mill.). Archives of Phytopathology and Plant Protection. Vol. 46, No. 10, 1182-1188.
  3. A. Adesegun, A. K, Akintokun, E.O. Ajayi, O. S. Adebayo and O.A.  Enikuomehin, (2013) Sclerotium rolfsii management in Tomato using Aframomum melegueta, Ocimum gratissimum and Cymbopogon citratus.  Archives of Phytopathology and Plant Protection. Vol. 46, Issue 6, Pp. 732-740.
  4. A. Adesegun, E.O. Ajayi, O.S. Adebayo, A.K. Akintokun and O.A. Enikuomehin (2012) Effect of Ocimum gratissimum (L) and Aframomum melegueta (K.Schum.) Extracts on the Growth of Sclerotium rolfsii (Sacc.) International Journal of Plant Pathology 3 (2): 74-81.
  1. Esther A. Adesegun* Oyeboade S. Adebayo, • Aderonke K. Akintokun (2012). Effect of Ocimum gratissimum and Cymbopogon citrates extracts on Sclerotium rolfsii Sacc of Tomato (Lycopersicon esculentum Mill.) Medicinal and Aromatic Plant Science and Biotechnology 6 (1), 68-71.
  2. Oyeboade Adebayo, Rukkayah Aminu-Taiwo, Esther Adesegun. (2012). Growth, essential oil content and antimicrobial activity of basil influenced by Nitrogen fertiltiser and Plant density. (2012). Medicinal and Aromatic Plant Science and biotechnology Volume (Special issue 1) 123-126.
  1. *Adesegun Esther Aderonke, Adebayo Oyeboade Sikeola, Fajinmi Omolara B. (2011) Evaluation of spices extracts for antifungal properties. Archives of Applied Science Research 3 (5):486-490.


  1. *Alaba T. Fariyike, Oyeboade S. Adebayo, Gbenga S. Akinwumi, Olufemi T. Ademoyegun, Catherine A. Akinpelu,٭Esther A. Adesegun. (2011). Evaluation of Growth and Yield of (Capsicum annum) var ‘Nsukka Yellow’ under Different Fertilizer Regimes in Ibadan. African Journal of Plant Science and Biotechnology. 5 (1), 46-49.
  2. Akinpelu C.A., Adebayo O.S., Adelaja B.A., Adesegun E.A. Aminu-Taiwo B.R. and Adeoye I.B. (2011). Economic analysis of spices marketing in three selected states of Nigeria. Research on Crops 12, No 3.Pp. 817-821.
  1. Oke, O.A, Adesegun, E.A and Illokhoria, R.O. (2009) Potential of Momordica charantia (L). (Bitter Gourd) (Cucurbitaceae) and Garlic-pepper spray Extracts for the control of Myzus persicae (sulzer) and Cercospora Leaf spot on pepper, Capsicum annum (L). Nigerian Journal of Entomology 26.  Pp.102-104