Prof. Isabel Nyokabi Wagara

Prof. Isabel Nyokabi Wagara, PhD

Associate Professor

Egerton University

Faculty of Science

Department of Biological Sciences

P.O. Box 536-20115 EGERTON, KENYA

+254 722 845563 (cell Phone)

Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it





Doctor of Philosophy (PhD) degree in Plant Pathology

University of Nairobi


Master of Science (Msc) degree in Plant Pathology

University of Nairobi


Bachelor of Science (Bsc) degree (Botany and Zoology)

Egerton University




Plant Pathology and Crop Protection




9th October 2013 to present

Deputy Director for Research, Egerton University

4th April 2013 to present

Associate Professor, Egerton University

January 2010 - October 2010

Visiting Researcher, International Centre for Tropical Agriculture (CIAT), Cali, Colombia

October 2007 - 3rd April 2013

Senior Lecturer, Egerton University

June 2004 - September 2007

Lecturer, Egerton University

April 1995 - May 2004

Assistant Lecturer, Egerton University

Oct. 1991- March 1995

Teaching Assistant, Egerton University




2008 - 2013

Outdoor Organic Cultivation of Kenyan Indigenous Mushrooms for Improved Food Security. Funded by The Mushroom Initiative Limited, Hong Kong.

2010 - 2013

Use of Mycorrhizae to Enhance Reforestation of Mau Water Catchment in Kenya. Funded by The Mushroom Initiative Limited, Hong Kong.

2009 - 2013

Control of moulds and associated mycotoxins in foods using essential oils from target aromatic plants in Lake Victoria Basin. Funded by Lake Victoria Basin Research Initiative (VicRes).

2007- 2009

Spawn Production and Cultivation of Edible and Medicinal Indigenous Mushrooms for Improved Health and Increased Food Security. Funded by Egerton University.

2006 - 2009

Field evaluation of micronutrient-rich beans for resistance/tolerance to diseases and pests. Funded by East and Central Africa Bean Research Network (ECABREN).

2001- 2007

Managing angular leaf spot of common bean (Phaseolus vulgaris L.) through host resistance, antimicrobial plant extracts and cultural practices. Funded by International Foundation for Science (IFS).





Benard Omondi Odhiambo, Hunja Murage and Isabel Nyokabi Wagara (2013). Isolation and characterisation of aflatoxigenic Aspergillus species from maize and soil samples from selected counties of Kenya. African Journal of Microbiology Research Vol. 7(34): 4379-4388. DOI: 10.5897/AJMR2013.5846 ISSN 1996-0808 ©2013 Academic Journals


Nyukuri N. J., Wagara N. I., Matasyoh C. J. and Nakavuma L. J. (2013). Inhibitory action of some essential oils on growth of various moulds isolated from dried maize grains. Egerton Journal of Science and Technology Vol. 13: 1-10.


Chepkirui Clara, Josphat C. Matasyoh, Isabel N. Wagara (2013). Antifungal Activity of Monathotaxis littoralis essential oil against mycotoxigenic fungi isolated from maize. International Journal of Microbiology Research and Reviews ISSN: 2329-9800. Vol. 2 (6): 103-109.


S. G. Ismail, M. G. Kinyua, A. M. Kibe and I. N. Wagara (2012). Wheat stem rust severity and physiological races in North Rift region of Kenya. Asian Journal of Plant Pathology, 1-8. ISSN 1819-1541/DOI: 10.3923/ajppaj.2012.


I. N. Wagara, A.W. Mwang’ombe, J. W. Kimenju, R. A. Buruchara and P. M. Kimani (2011). Reaction of selected common bean genotypes to physiological races of Phaeoisariopsis griseola occurring in Kenya. African Crop Science Journal, Vol. 19 (4): 119 – 131.


Josphat C. Matasyoh, Isabel N. Wagara, Jesca L. Nakavuma and Anderson M. Kiburai (2011). Chemical composition of Cymbopogon citrates essential oil and its effect on mycotoxigenic Aspergillus species. African Journal of Food Science, Vol. 5(3): 138-142.


Odhiambo O. Jared, Ndiritu G. Francis and Wagara N. Isabel. (2011). Effects of AC Helmholtz magnetic field on the mass of Rosecoco beans. Journal of Science Technology Education and Management Vol. 4(1&2): 16 – 30.


Odhiambo O. Jared, Ndiritu G. Francis and Wagara N. Isabel. (2009). The influence of AC Electromagnetic fields on the initial radicle growth rate of Phaseolus vulgaris L. Journal of Applied Biosciences 22: 1350 – 1358.


J. O. Odhiambo, F. G. Ndiritu and I. N. Wagara (2009). Effects of static Electromagnetic fields at 24 hours incubation on the germination of Rosecoco beans (Phaseolus vulgaris). Romanian Journal of Biophysics Vol. 19 (2) 135 – 147.



Mwang’ombe A.W., Wagara I.N., Kimenju J.W. and Buruchara R.A. (2007). Occurrence and severity of angular leaf spot of common bean in Kenya as influenced by geographical location, altitude and agroecological zones. Plant Pathology Journal, Vol. 6(3):235-241.


Wagara I.N., Mwang’ombe A.W., Kimenju J.W. and Buruchara R.A. (2007). Variation in aggressiveness of Phaeoisariopsis griseola and angular leaf spot development in common bean. Journal of Tropical Microbiology and Biotechnology, Vol. 3(2):3-12.


Wagara I.N. Mwang’ombe A.W., Kimenju J.W. and Buruchara R.A. (2005). Virulence, variability and physiological races of the angular leaf spot pathogen, Phaeoisariopsis griseola in Kenya. African Plant Protection Journal, Vol. 11:23-31.


Wagara I.N., Mwang’ombe A.W., Kimenju J.W., Buruchara R.A., Jamnadass R. and Majiwa, P.A.O. (2004). Genetic diversity of Phaeoisariopsis griseola in Kenya as revealed by AFLP and group-specific primers. Journal of Phytopathology, Vol. 152: 1-8.


Wagara, I.N.; Mwang’ombe, A.W. and Siboe, G.M. (1999). Colonization of resistant and susceptible bean (Phaseolus vulgaris L.) tissues by Phaeoisariopsis griseola (Sacc) Ferr. African Crop Science Journal, Vol. 7 (4): 523-530.




Integrated management of plant diseases, control of mycotoxigenic fungi in foods and development of appropriate technologies for indigenous mushroom and spawn production.