Isabel Nyokabi Wagara, PhD

Isabel Nyokabi Wagara, PhD

Associate Professor of Plant Pathology

Department of Biological Sciences

Egerton University

P.O. Box 536, 20115 – Egerton


+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


4th April 2013 to date

Associate Professor - Egerton University

January 2010 to October 2010

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

October 2007 to 3rd April 2013

Senior Lecturer - Egerton University

June 2004 to Sept. 2007

Lecturer - Egerton University

April 1995 to May 2004

Assistant Lecturer - Egerton University

Oct. 1991- March 1995

Teaching Assistant, Department of Botany, 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.


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).

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).



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.


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