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PROF. ISABEL NYOKABI WAGARA

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PERSONAL DETAILS
Designation
ASSOCIATE PROFESSOR
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Job Category
Teaching
Division / Faculty
Faculty of Science
Directorate / Dept
DEPT. OF BIOLOGICAL SCIENCES
Section
Main Campus - Njoro
Address
P.O BOX 536-20115 Egerton
SUMMARY

Isabel Wagara is Associate Professor of Plant Pathology in the Department of Biological Sciences, Egerton University, Kenya. She holds a Bachelor of Science Degree (Botany and Zoology) from Egerton University, and Masters and PhD. degrees in Plant Pathology from the University of Nairobi. She has over 33 years of university teaching experience, research and community outreach. Her research interests are: integrated plant disease management, host-pathogen interactions, bioprospecting for antimicrobials and biopesticides from plants and their associated endophytes, management of mycotoxigenic fungi, innovative mushroom production technologies, and sustainable utilization of natural resources. She has published widely and supervised over 30 graduate students.

ORCID
https://orcid.org/0000-0002-0691-022X
ACADEMIA
https://independent.academia.edu/IsabelWagara
LinkedIn
https://www.linkedin.com/in/isabel-wagara-9a496037a/
Researchgate
https://www.researchgate.net/profile/Isabel-Wagara?ev=prf_overview
Google Scholar
https://scholar.google.com/citations?user=CUsFRgoAAAAJ&hl=en
ACADEMIC QUALIFICATIONS

2005: Doctor of Philosophy (PhD) degree in Plant Pathology - University of Nairobi
1996: Master of Science (MSc.) degree in Plant Pathology - University of Nairobi
1991: Bachelor of Science (BSc.) degree (Botany and Zoology) - Egerton University

FIELDS OF SPECIALIZATION
  • Plant Pathology
  • Integrated Plant Disease Management
  • Mushroom production
PROFESSIONAL QUALIFICATIONS
  • 27th June 2025: Training on Competency Based Education, Egerton University.
  • Postgraduate students training workshop on thesis/dissertation preparation and examination, Egerton University (21st March, 2025
  • 23rd -26th January 2024: Training on Competency Based Curriculum, Egerton University
  • 5th October 2023: Antiplagarism Turnitin Training, Egerton University.
  • 16th - 18th August 2023: Training on Competency Based Curriculum, Egerton University.
  • 10th - 14th August 2015: Ethics Teachers' Training Course, Egerton University.
  • October- November 2019: Certificate Course in Research Ethics for Institutional Ethics Review Committees, Egerton University.
  • January 2018: Biosafety Communication Training Course for African Women for Biosciences, Nairobi, Kenya.
  • December 2017: Capacity building workshop for International Research Ethics Committees (IRECs), Egerton University. 
  • 25th -27th July 2012: DAAD/NCST Research Proposal Writing Training. Kabarak University, Kenya. 
  • 3rd - 7th May 2011: E-learning Capacity building Course on developing and publishing teaching and learning Materials. 
  • 11th -15th January 2010: Staff Retooling and E-content Development Workshop, Egerton University.
  • 4th – 25th September 2009: Retooling course on Phytosanitary Systems, Nakuru, Kenya. 

  • 9th – 19th June 2009: IFS/AWARD/CGIAR Course on Proposal writing and policy development in Agricultural Research, Livingstone, Zambia. 

  • 18th February, 2009: University Academic Advising training. Egerton University, Kenya.

  • 15th - 19th December, 2008: IFS Workshop on Research and management skills for women in agricultural and natural sciences. Egerton University, Kenya. 

  • 7th - 13th December, 2008: AWARD Women’s Leadership Training Course. Mombasa Kenya. 

  • September. 2002: Biotechnology, Breeding and Seed Systems for African Crops training. Bellagio, Italy.

  • April 2002: International Foundation for Science (IFS)/MISTRAtraining workshop on “Plant Pathology, Biocontrol and Biopreservation”. Agadir, Morocco.
  • July 2001: Course on Molecular characterisation/diagnosis of Plant Pathogens. CIAT, Kawanda Agricultural Research Institute, Kampala, Uganda.
  • 1999: Intensive course in Microbiology and Plant Physiology; Konstanz University, Germany.
  • 1998:  Course in identification of parasitic fungi; Konstanz University, Germany.
  • 1998:  Course on Theory and Practice of Integrated Pest Management; Überlingen, Germany
  • 1998:  Advanced course in Phytopathology; Konstanz University, Germany.
  • 1998:  Intensive German language course; Language Institute, Konstanz University, Germany
  • 1998:  German language course; Goethe Institute Freiburg, Germany
  • 1996:  Postgraduate course on Legumes in Cropping Systems of the Tropics and Subtropics; Hohenheim University, Germany
WORK EXPERIENCE
  • January 2020 to 24th February, 2020): Acting Director for Research and Extension, Egerton University.
  • 9th October 2013 to 10th May 2022: 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

 

       Positions of Responsibility at the University:

  • Member, Committee to review the Egerton University Communication Policy (16th February, 2021)
  • Chairperson, Egerton University Committee on Staff Outstanding Imprest (April 2019 to June, 2020).
  • Member, Ad hoc Committee to asses and value computer and accessories items for disposal (18th July, 2019)
  • Member, Egerton University Disposal Committee (23rd October 2018 to May 2022)
  • Member, Local Organizing Committee for the 41st WEDC Conference (15th January to July, 2018).
  • Member, Tegemeo Capacity Development and Implementation Plan (CDIP) Sub Committee on Programme Management (27th April 2017 to November 2018).
  • Member, Egerton University Ethics Review Committee (April 2016 to May 2022)
  • Member, Egerton Univerity Tender Processing Committees (October 2015, August 2017, September 2017, August 2018, February 2019, February 2024, November, 2024)
  • Member of team working on development of Fund Raising Strategy for Egerton University (29th January, 2015 to 2016)
  • Member, Egerton University Staff Training, Development and Welfare Committee ( October 2013 to May, 2022)
  • Chairperson, Office Space Allocation Committee, Egerton University (May 2013 to June 2019).
  • Chairperson, Faculty of Science Quality Assurance Committee, Egerton University (January 2012 to 2014). 
  • Co-opted Member, Agro Based Science Park Committee (January 2012 to May 2022).
  • Faculty of Science Representative to the Board of Quality Assurance, Egerton University (January 2007 to 2014).
  • Member, Bioethics Centre Management Committee, Egerton University (August 2006,  31st March, 2014 to date).
KEY PROJECTS
  • 2024: Climate-Smart Integrated Agri-Aquaculture System for Food Security and Poverty Reduction in Kenya (Principal Investigator for Kenya). Funded by USAID through Mississippi State University USA, Fish Innovation Lab (FIL).
  • 2022 - 2024: Partnership Program in Integrated Agri-Aquaculture Systems for Food Security and Poverty Reduction in East Africa. (Principal Investigator). Funded by Austria´s Agency for Education and Internationalisation - OeAD-GmbH.
  •  2021 - 2024: Development of natural medicinal products for mitigation of COVID-19 pandemic. (Co-Investigator). Funded by National Research Fund, Kenya.
  • 2018 - 2021: Development of Biopesticides from Medicinal Plants and their Microbial Endophytes for the Control of Maize and Bean Pathogens. (Collaborator). Funded by National Research Fund, Kenya.
  • 2014 - 2018: Antibiotics and Anti-quorum Sensing Compounds from African Fungal Endophytes Inhabiting Medicinal Plants and Cultures of Macromycetes (ASAFEM). (Collaborator). Funded by European Union and Kenya Government through ERAFRICA – EU – Africa Joint Funding.
  • 2013 - 2015: Isolation of Bioactive Secondary Metabolites for the Control of Plant Pathogens in Maize and Beans. (Collaborator). Funded by The Humboldt Foundation.
  • 2008 - 2013: Outdoor Organic Cultivation of Kenyan Indigenous Mushrooms for Improved Food Security. (Principal Investigator). Funded by The Mushroom Initiative Limited, Hong Kong.
  • 2010 - 2013: Use of Mycorrhizae to Enhance Reforestation of Mau Water Catchment in Kenya. (Collaborator). 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. (Collaborator). 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. (Principal Investigator). Funded by Egerton University.
  • 2006 - 2009: Field Evaluation of Micronutrient-rich Beans for Resistance/Tolerance to Diseases and Pests. (Collaborator). 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. (Principal Investigator). Funded by International Foundation for Science (IFS).
  • 2000 - 2003: Molecular and Virulence Characterization of Phaeoisariopsis griseola and Reaction of Bean Germplasm to Races of the Angular Leaf Spot Pathogen. (Principal Investigator). Funded by The Rockefeller Foundation (Grant 2001 FS 030) and DAAD.
RESEARCH INTERESTS
  • Integrated Climate-Smart Management of Plant Diseases
  • Bioprospecting for Antimicrobials and Biopesticides 
  • Development of Innovative Technologies for Mushroom Production.
  • Host-pathogen interactions
  • Management of mycotoxigenic fungi
LIST OF PUBLICATIONS
  1. Omambia, L, Amadi, J., Wabuyele, E., Onyambu, M., Orwa, J., Mwafaida, J., Magu, M., Wagara, I. and Kirira, P. (2024). Abundance and Threats to Medicinal Plants used in Managing Respiratory Illnesses in Migori County, Kenya: A need for increased local sensitization. Biological and Environmental Sciences Journal for the Tropics, 21(3), 180 – 191. DOIhttps://dx.doi.org/10.4314/bestj.v21i3.16

  2. Marie Chantal Mutimawurugo, Isabel Nyokabi Wagara, Joshua Otieno Ogweno and Samuel Nyalala (2023). Effective application frequency of selected plant extracts on potato growth and yield parameters. Italus Hortus 2023, 30(3): 59-69.Vol. 30 (2023): doi: 10.26353/j.itahort/2023.3.5969.

  3. Marie Chantal Mutimawurugo, Joshua Otieno Ogweno, Nyokabi Isabel Wagara, Jean Baptiste Muhinyuza, Sylvestre Habimana and Alphonsine Mukamuhirwa (2023). Biological Control of Potato Bacterial Wilt (Ralstonia solanacearum) using selected plant extracts. Journal of Horticultural Research, 31(2).  DOI: 10.2478/johr-2023-0031.

  4. Ruth W. Mwangi, Mohammed Mustafa, K. Charles, Isabel W. Wagara and Noemi Kappel (2023). Selected emerging and reemerging plant pathogens affecting the food basket: A threat to food security. Journal of Agriculture and Food Research, 14 (2023) 100827. https://doi.org/10.1016/j.jafr.2023.100827. 

  5. John M. Macharia, Timea Varjas, Ruth W. Mwangi, Zsolt Káposztás, Nóra Rozmann, Márton Pintér, Isabel N. Wagara and Bence L. Raposa (2023). Modulatory properties of Aloe secundiflora's methanolic extracts on targeted genes in colorectal cancer management. Cancers (Basel), 15(20):5002. https://doi.org/10.3390/cancers 15205002.

  6. Omambia Levy, Amadi Jacinter, Wabuyele Emily, Onyambu Meshack, Orwa Jennifer, Mwafaida Joseph, Magu Martin, Wagara Isabel and Kirira Peter (2023). Diversity and utilization of medicinal plants used in managing respiratory illnesses in Migori County, Kenya. Journal of Medicinal Plants Studies, 11(4): 115-121. DOI: https://doi.org/10.22271/ plants.2023.v11.i4b.1577.

  7. Hellen Gathiru Kariuki, Isabel Nyokabi Wagara, Beatrice Were, Waudo Walyambillah and Josphat Clement Matasyoh (2023). Screening extracts of fungal endophytes isolated from Allophylus abyssinicus (Hochst. Radlk.) for control of bean anthracnose. African Journal of Biotechnology, 22(10): 235-246. DOI: 10.5897/AJB2023.17566.

  8. P.W. Njeru, I.N. Wagara, S.T. Kariuki and S.N. Muchiri (2023). Production of indigenous mushroom spawn using crop residues as substrates. African Crop Science Journal, 31 (1): 31-39. ISSN 1021-9730/2023. www.ajol.info/ and www.bioline.org.br/cs. DOI: https://dx.doi.org/10.4314/acsj.v31i1.3.

  9. Teresia Wangui Nduati, Isabel Nyokabi Wagara, Waudo Walyambillah, Beatrice Were and Josphat Clement Matasyoh (2023). Bioactive compounds from Juniperus procera (Cupressaceae) with activity against common bean bacterial pathogens. African Journal of Biotechnology, 22(6): 106-113. DOI: 10.5897/AJB2023.17552, Article Number: CF0E0B670849, ISSN: 1684-5315.

  10. Isabel Nyokabi Wagara, Waudo Walyambillah, Beatrice Were, David Muthama, Hellen Gathiru and Josphat Clement Matasyoh (2023). Bioactive compounds from Hagenia abyssinica with activity against bean pathogenic bacteria. African Journal of Biotechnology, 22(5): 80-84. DOI: 10.5897/AJB2022.17468, Article Number: 0EC3CA570733, ISSN: 1684-5315. 

  11. John M. Macharia a, Ruth W. Mwangi, Nora Rozmann, Isabel N. Wagara, Zsolt Kaposztas,Tímea Varjas a, John Mathenge c, Raposa L. Bence (2022). A systematic review of selected plants and their metabolites with anticolorectal cancer effects. Phytomedicine Plus 2 (4), November 2022, 100332. https://doi.org/10.1016/j.phyplu.2022.100332

  12. John M. Macharia, Ruth W. Mwangi, Nora Rozmann, Kaposztas Zsolt, Tímea Varjas, Paschal O. Uchechukwu, Isabel N. Wagara and Bence L. Raposa (2022). Medicinal plants with anti-colorectal cancer bioactive compounds: Potential game-changers in colorectal cancer management. Biomedicine & Pharmacotherapy, 153: 1-14. https://doi.org/10.1016/j.biopha.2022.113383

  13. Ruth W. Mwangi, John M. Macharia, Isabel N. Wagara and Raposa L. Bence (2022). The antioxidant potential of different edible and medicinal mushrooms. Biomedicine & Pharmacotherapy, 147: 1-15. https://doi.org/10.1016/j.biopha.2022.112621.

  14. Ruth W. Mwangi, John M. Macharia, Isabel N. Wagara and Raposa L. Bence (2021). The medicinal properties of Cassia fistula L: A review. Biomedicine & Pharmacotherapy, 144: 1-14. https://doi.org/10.1016/j.biopha.2021.112240.

  15. Mwangi R W., Wagara I N. and Kariuki S T. (2021). Substitution of Plastics with Organic Pots in Tree Seedlings Production for Sustainable Environmental Conservation. East African Journal of Science, Technology and Innovation, 2 (3) 1-13. DOI: https://doi.org/10.37425/eajsti.v2i3.207

  16. Cony A. Decock, Isabel Wagara, Alphonse Balezi and Prudence Yombiyeni (2021). Haploporus (Basidiomycota, Polyporales) in sub-Saharan Africa: Poria eichelbaumii, a long-forgotten name, is reinstated in Haploporus and H. grandisporus sp. nov. is proposed. Mycological Progress (2021), 20:149–168. https://doi.org/10.1007/s11557-020-01660-x.

  17. Mwancha S. N. Okioma, Eliud Mugu Gathuru, Isabel Nyokabi Wagara, Paul Njenga Waithaka and Benson Muriuki Githaiga (2020). Post-harvest Practices of Maize Farmers in Selected Counties in Kenya and Isolation of Mycotoxin Producing Fungi from Maize Samples. Indian Journal of Pure & Applied Biosciences 8(5): 20-30. SSN: 2582 – 2845. DOI: http://dx.doi.org/10.18782/2582-2845.8355.

  18. Mutimawurugo, M.C., J.O. Ogweno, J.B. Muhinyuza and I.N. Wagara (2019). In vitro antibacterial activity of selected plant extracts against potato bacterial wilt (Ralstonia solanacearum Smith) in Rwanda. Journal of Applied Horticulture. ISSN: 0972 – 1045.DOI: https://doi.org/10.37855/jah.2020.v22i03.36    
  19. Mutimawurugo, M.C., I.N. Wagara, J.B. Muhinyuza and J.O. Ogweno (2019). Virulence and characterization of isolates of potato bacterial wilt caused by Ralstonia solanacearum (Smith) in Rwanda. African Journal of Agricultural Research, 14(6): 311-320.. DOI: 10.5897/AJAR2018.13686     
  20. Winnie Cherotich Maritim, Isabel Nyokabi Wagara and Josphat Clement Matasyoh (2019). Antibacterial saponins from the leaves of Polyscias fulva (Araliaceae). African Journal of Biotechnology, 18(19): 390-398. https://doi.org/10.5897/AJB2018.16484
  21. Regina Chepkorir, Josphat Clement Matasyoh and Isabel N. Wagara (2018). Two withanolides from Withania somnifera (Solanaceae) and activity of methanolic extracts against fungal and bacterial pathogens that affect food crops. African Journal of Food Science, 12(5) 115-125, DOI: 10.5897/AJFS2016.1503, ISSN 1996-0794.
  22. Velma Wekesa Nasimiyu, Isabel Nyokabi Wagara, Meshack Amos Obonyo and Josphat Clement Matasyoh (2018). Isolation, identification and bioactivity of fungal endophytes from selected Kenyan medicinal plants. African Journal of Microbiology Research 12(17): 405-412. ISSN 1996-0808. DOI: 10.5897/AJMR2017.8544
  23. Lucy Aketch Wanga, Isabel Nyokabi Wagara, Ramadhan Mwakubambanya and Josphat Clement Matasyoh (2018). Antimicrobial activity of metabolites extracted from Zanthoxylum gilletii, Markhamia lutea and their endophytic fungi against common bean bacterial pathogens. African Journal of Biotechnology, 17(27): 870-879. ISSN 1684-5315. https://doi.org/10.5897/AJB2018.16463
  24. Nyamboki DK, Matasyoh JC and Wagara IN (2017). Characterization of Secondary Metabolites from Endophytic Colletotrichum sp. Isolated from Tragia insuavi. Journal of Plant Chemistry and Ecophysiology 2(2): 1018. file:///C:/Users/User/Downloads/jpce-v2-id1018.pdf. 
  25. Mwangi R. W., Kariuki S. T. and Wagara I. N. (2017). Biocontrol of green mould disease of Oyster mushroom (Pleurotus ostreatus) using Bacillus amyloliquefaciens. Journal of Biology, Agriculture and Healthcare, 7(10): 25-30. ISSN 2224-3208 (Paper) ISSN 2225-093X (Online).https://www.iiste.org/Journals/index.php/JBAH/article/view/36954
  26. Mwangi R. W., Kariuki S. T. and Wagara I. N. (2017). Effect of inoculation with mycorrhizae on growth parameters of Dombeya torrida, Leucaena leucophala and Tephrosia vogelii. Journal of Natural Sciences Research, 7(10): 40-48. ISSN 2224-3186 (Paper) ISSN 2225-0921 (Online).                                   file:///C:/Users/User/Downloads/37174-40226-1-PB.pdf
  27. Mwaniki, P. K., Wagara, I. N., Birech, R., Kinyua, Z. M., Schulte-Geldermann E. and Freyer B. (2017). Impact of crop rotation sequences on potato in fields inoculated with bacterial wilt caused by Ralstonia solanacearum. African Journal of Agricultural Research, 12: 1226-1235.DOI: 10.5897/AJAR2016.11769
  28. Mwangi R. W., Kariuki S. T. and Wagara I. N. (2017). Phytochemicals present in Engleromyces goetzi and antimicrobial activity against phytopathogenic bacteria. Journal of Biology, Agriculture and Healthcare, 7(4): 78-86. ISSN 2224-3208 (Paper) ISSN 2225-093X (Online).
  29. Mwaniki, P. K., Birech, R., Wagara, I. N., Kinyua, Z. M, Schulte-Geldermann, E., and Freyer (2016). Distribution, prevalence and incidence of potato bacterial wilt in Nakuru County, Kenya. International Journal of Innovative Research and Development, 5:435-442.
  30. Mwangi R. W., Wagara I. N. and Kariuki S. T. (2016). Biocontrol of mushroom fungal pathogens and contaminants using Bacillus amyloliquefaciens. Egerton Journal of Science & Technology, 15: 19-108. ISSN No. 2073-8277.
  31. Phoebe Kirigo Mwaniki, Mathew Musumbale Abang, Isabel Nyokabi Wagara, Joseph Ngwela Wolukau and Schroers Hans-Josef (2016). Response of African eggplants to Fusarium spp. and identification of sources of resistance. African Journal of Biotechnology, AJB/20.07.15/14874. ISSN 1684-5315.
  32. Jesca Lukanga Nakavuma, Josphat Clement Matasyoh, Isabel Nyokabi Wagara, John Kalema and Lordrick Alinaitwe (2016). Toxicity Studies on Anti-fungal Essential Oils Extracted from Selected Aromatic Plants from Mabira and Kakamega Forests, East Africa. European Journal of Medicinal Plants, 14(2): 1-14. Article no. EJMP.25185, ISSN: 2231-0894, NLM ID: 101583475. DOI: 10.9734/EJMP/2016/25185.
  33. S. O. Ochola, J. O. Ogendo, I. N. Wagara, J. O. Ogweno, J. G. Nyaanga and K. O. Ogayo (2015). Antifungal activity of methanol extracts of Leonotis nepetifolia L. and Ocimum gratissimum L. against Ascochyta blight (Phoma exiqua) on French bean. Asian Journal of Plant Pathology, 9(1): 27-32. ISSN 1819-1541/DOI: 10.3923/ajppaj.2015.
  34. Kennedy O. Ogayo, Joshua O. Ogweno, Jane G. Nyaanga, Joshua O. Ogendo, Isabel N. Wagara and Sylvans O. Ochola (2015). Bioactivity of Leonotis nepetifolia and Ocimum gratissimum extracts in management of Tetranychus urticae Koch on French beans. Global Journal of Bioscience and Biotechnology, 4 (3): 282-286.
  35. P.C. Sitienei, I.N. Wagara, S.T. Kariuki, J.M. Jefwa, and E.M Kibiro (2015). Occurrence and biodiversity of arbuscular mycorrhizae fungi associated with indigenous trees in Eastern Mau Forest, Kenya. Science Journal of Microbiology, Volume 2015, Article ID sjmb-125, 19 Pages, 2015. Doi: 10.7237/sjmb/125. ISSN: 2276-626X.
  36. Yegon K. Philemon, Josphat C. Matasyoh, and Isabel N. Wagara (2015). Chemical composition and antifungal activity of the essential oil from Lippia javanica (Verbenaceae). International Journal of Biotechnology and Food Science. 4(1): 1- 6. ISSN: 2384-7344

  37. Munyua, C.N. and Wagara, I.N. (2015). Utilization of pesticidal plants in pest management among smallholder vegetable farmers in Bahati Division, Nakuru, Kenya. Ethiopian Journal of Environmental Studies & Management, 8(3): 242 – 251. ISSN:1998-0507 doi: http://dx.doi.org/10.4314/ejesm.v8i3.

  38. Catherine N. Munyua and Isabel N. Wagara (2015). Diversification and a multidisciplinary approach for raising agriculture production and attaining food security in smallholder farming systems of Sub-Saharan Africa. Asian Journal of Agriculture and Rural Development, 5(10), 218-224. ISSN(P):2304-1455/ISSN(E):2224-4433, DOI: 10.18488/journal.1005/2015.5.10/1005.10.218.224.

  39. Chepkirui Clara, Josphat C. Matasyoh, Isabel N. Wagara and Jesca Nakavuma (2014). Antifungal activity of flavonoids isolated from Monanthotaxis littoralis against mycotoxigenic fungi from maize. American Journal of Chemistry and Application, 1(4): 54-60. file:///C:/Users/User/Downloads/9050753-2.pdf
  40. I. N. Wagara, J. C. Matasyoh and J. L. Nakavuma (2014). Isolation of mycotoxigenic moulds contaminating maize and groundnuts in selected districts of Kenya. Research Journal of Microbiology, 9: 177-188. DOI: 10.3923/jm.2014.177.188 URL: http://scialert.net/abstract/doi=jm.2014.177.188
  41. Odhiambo, B.O., Murage, H. and Wagara, I.N. (2014). Screening for atoxigenic Aspergillus species and evaluating their inhibitory potential against growth and sporulation of aflatoxigenic Aspergillus species. Egerton Journal of Science & Technology, 14:61-80. ISSN No. 2073 – 8277.
  42. Regina M. Rono, I. Wagara and W. Otieno (2013). Determination of storage stability of Trichoderma harzianum in different formulations through in vitro vegetative interactions with Armillaria. Tea Journal, 34 (2): 79 – 87.
  43. Josphat C. Matasyoh, Isabel N. Wagara, Jesca L. Nakuvuma and Regina Chepkorir (2013). Chemical composition and antifungal activity of Piper capense oil against mycotoxigenic Aspergillus, Fusarium and Penicillium species. International Journal of Biological and Chemical Sciences 7(4): 1441-1451. DOI: http://dx.doi.org/10.4314/ijbcs.v7i4.2.
  44. Chepkirui Clara, Josphat C. Matasyoh, Isabel N. Wagara and Jesca Nakuvuma (2013). Antifungal activity of Monathotaxis littoralis essential oil against mycotoxigenic fungi isolated from maize. International Journal of Microbiology Research and Reviews, 2 (6), 103-109. ISSN: 2329-9800.
  45. 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, 7(34): 4379-4388. DOI: 10.5897/AJMR2013.5846 ISSN 1996-0808 ©2013 Academic Journals http://www.academicjournals.org/AJMR.
  46. 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, 13: 1-10.
  47. 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.
  48. 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, 19 (4): 119 – 131.
  49. Josphat C. Matasyoh, Isabel N. Wagara, Jesca L. Nakavuma and Anderson M. Kiburai (2011). Chemical composition of Cymbopogon citratus essential oil and its effect on mycotoxigenic Aspergillus species. African Journal of Food Science, 5(3): 138-142.
  50. 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, 4(1&2): 16 – 30.
  51. 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.
  52. 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, 19 (2): 135 – 147.
  53. Odhiambo, O.J.; Ndiritu, F.G. and Wagara, I. N. (2008). Effect of AC Electromagnetic Field on germination of Rosecoco beans (Phaseolus vulgaris L.). Egerton Journal of Science and Technology, 8: 186 - 200.
  54. 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, 6(3):235-241.
  55. 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, 3(2):3-12.
  56. 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, 11:23-31.
  57. 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, 152: 1-8.
  58. Kimani P.M., I. Wagara and M. Blair. (2004). Selection of climbing bean lines tolerant to common bacterial blight, bean common mosaic virus and web blight. Bean Improvement Cooperative 47: 309-310.
  59. 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, 7 (4): 523-530.
  60. Wagara, I.N.; Mwang’ombe, A.W. and Siboe, G.M. (1997). The occurrence and extent of pathogenic variation in Phaeoisariopsis griseola Sacc. in Kenya. East African Agricultural and Forestry Journal, 61: No.3.
CONFERENCES & INVITED PRESENTATIONS

  1. Wagara I., Otachi E., Charimbu M., Amwoga P., Yieke F., Obwanga B., Mohammed A., Bekeko Z., Waiswa D., Melcher A., Lemke S., Slezak G., Bauer A. and Arbo Feyisa A. Integrated Agri-aquaculture Systems for Food Security, Poverty Reduction and Resilience in Eastern Africa. Tropentag 2024 Annual International Conference, University of Natural Resources and Life Sciences, Vienna (BOKU), Austria.  10th to 15th September, 2024.

  2. Wagara I., Otachi E., Charimbu M., Amwoga P., Yieke F., Obwanga B., Mohammed A., Bekeko Z., Waiswa D., Melcher A., Lemke S., Slezak G., Bauer A. and Hauser M. Partnership Program in Integrated Agri-Aquaculture Systems for Food Security and Poverty Reduction in East Africa (Agri-Aqua). 3rd Africa UniNet General Assembly, Austrian Academy of Sciences (OeAW), Vienna. 13th to 15th September 2023. 13th -15th September, 2023.

  3. Wagara I. N, Wekesa V. N., Kwamboka D. N., Wanga L. and Matasyoh J. Antimicrobial Activity of Fungal Endophytes Inhabiting Kenyan Medicinal Plants. The 5th Alexander von Humboldt Conference (Kolleg). 19th to 21st June, 2018. 

  4. Maritim C. W., J. C. Matasyoh and N. Wagara. Characterization of secondary metabolites isolated from the leaves extract of Polyscias fulva (Araliaceae) and its antibacterial activities. Egerton University 12th Research Week and International Conference. 27th – 29th March, 2018.
  5. Wanga L. A., Matasyoh J. C., Wagara I. N. and Mwakubambanya R. Antimicrobial activity of secondary metabolites from Zanthoxylum gilletii, Markhamia lutea and their endophytic fungi against common bean bacterial pathogens. Egerton University 12th Research Week and International Conference. 27th – 29th March, 2018.
  6. Chepkorir R., Matasyoh J. C. and Wagara N. I. Chemical composition and antibacterial and antifungal activity of essential oils from fresh leaves of Hagenia abyssinica (Rosaceae). Egerton University 12th Research Week and International Conference. 27th – 29th March, 2018.
  7. Regina Chepkorir, Matasyoh J. and Wagara I. N. Investigation of secondary metabolites from Withania somnifera and Hagenia abyssinica for the control of maize and bean pathogens. Egerton University 11th Research Week and International Conference. 29th – 31st March, 2017.
  8. Nyamboki D. K. Matasyoh J. and Wagara I. N. Isolation and characterization of antibacterial secondary metabolites from Tragia insuavis (Euphorbiaceae) and its endophytic fungi. Egerton University 11th Research Week and International Conference. 29th – 31st March, 2017.
  9. Nasimiyu V. W, Wagara I. N. and Matasyoh J. Antimicrobial Activity of Fungal Endophytes Inhabiting Kenyan Medicinal Plants. Egerton University 11th Research Week and International Conference. 29th – 31st March, 2017.
  10. Wagara I. N., Matasyoh J. and Nasimiyu V. W. Isolation and Antimicrobial Activity of Fungal Endophytes inhabiting African Medicinal Plants. Alexander von Humboldt Kolleg Conference on “Research and Networking: Laying the Foundation for the Sustainable Development Goals”. Sweet Lake Resort, Naivasha, Kenya. 6th – 8th April, 2016.
  11. Wagara I. N., Matasyoh J. and Nasimiyu V. W. Isolation and Antimicrobial Activity of Fungal Endophytes inhabiting African Medicinal Plants. 5th HIPS Symposium on Pharmaceutical Research devoted to Infection Research, Saarbrücken, Germany. July 2, 2015.
  12. Hassan, K. N., Wagara, I. N., Matasyoh, J. C. Isolation, molecular characterization and screening of tropical fungi as biocontrol agents. Egerton University 9th Research Week and International Conference. 25th – 27th March, 2015.
  13. Mwangi, R. W., Wagara, I. N. and Kariuki, S. T. Biocontrol of mushroom fungal pathogens and contaminants using Bacillus subtilis. Egerton University 9th Research Week and International Conference. 25th – 27th March, 2015.
  14. Njeru P. W., Wagara I. N., Kariuki S. T. and Muchiri S. N. Cultivation of indigenous oyster mushrooms using agricultural wastes. Egerton University 9th Research Week and International Conference. 25th – 27th March, 2015.

  15. Wagara I. N., Kariuki S. T, Njeru P. W., Karwitha M. C., Muchiri S. N  and Amwoga P. Spawn production, domestication and eco-friendly cultivation of edible indigenous Oyster mushrooms using agricultural substrates. Fourth African Conference on Edible and Medicinal Mushrooms (ACEMM4). Masinde Muliro University of Science and Technology (MMUST), Kakamega. 25th –  29th May, 2014.

  16. P. K. Mwaniki, M.M. Abang, I.N. Wagara, J.N. Wolukau & H.J. Schroers. (2011). Morphology, pathogenicity and molecular identification of Fusarium spp. from wilting eggplants in Tanzania. African Crop Science Conference Proceedings, Vol. 10:217 – 221.
  17.  M. K. Charimbu, I.N. Wagara and D.O. Otaye. (2009). Antifungal activity of various crude plant extracts against Phaeoisariopsis griseola pathogenic on common bean. African Crop Science Conference Proceedings, Vol. 9: 683 – 685.
  18. DAAD Alumni Conference on “Knowledge and Research for Development in East Africa”. Grand Regency Hotel, Nairobi Kenya. 23rd – 25th October, 2008.
  19. Wagara, I. N. and Kimani P. M. (2007). Resistance of nutrient-rich bean varieties to major biotic constraints in Kenya. African Crop Science Conference Proceedings, Vol 8:2087 - 2090.
  20. Wagara I. N. and P.M. Kimani.(2007). Field evaluation of micronutrient rich beans for resistance to biotic stresses. Eastern and Central Africa Bean Research Network Review and Planning Workshop, 12th – 16th March, 2007, Arusha, Tanzania.
  21. 8th African Crop Science Conference. El-Minia University, Egypt. 27th – 31st October, 2007.
  22. Kenya DAAD Scholars Association Conference. ARC Hotel, Egerton University, Kenya 18th – 19th October, 2007.
  23. Integration of Scientific and Technological Approaches for Community Development in the Lake Victoria Basin”. Kisumu Hotel – Maseno University, Kenya. (11th – 12th October, 2007).
  24. Second Research Week and International Conference. ARC Hotel, Egerton University, Kenya. 16th – 20th July, 2007.
  25. The First Kenya DAAD Scholars Association (KDSA) Regional Conference. University of Nairobi, Kenya. 29th – 1st Dec. 2006.
  26. First African Conference on Edible and Medicinal Mushrooms. Makerere University, Uganda. 25th – 29th 2006.
  27. Wagara, I. N. and P. M. Kimani. (2006). Field evaluation of micronutrient dense bean lines for resistance to biotic stresses. Biofortification Workshop, 3rd – 6th March, 2006, Mukono, Uganda.
  28. 7th African Crop Science Conference. Imperial Botanical Beach Hotel, Entebbe, Uganda. 5th – 9th 2005.
  29. The 2nd Kenya DAAD Scholars Association (KDSA) Conference on “Universities and Communities: Enhancing collaboration to build a Working Nation”. AICAD Building, JKUAT, Kenya. 28th – 30th, 2004. 
  30. Wagara, I. N.; Mwang’ombe, A.W.; Kimenju, J.W.; Buruchara, R.A and Kimani P.M. (2003). Pathogenic variability in Phaeoisariopsis griseola and response of bean germplasm to different races of the pathogen. African Crop Science Conference Proceedings, Vol. 6: 352-357.
  31. Musoni, A., Kimani, P.M., R. A. Buruchara, R.D. Narla and N. Wagara. (2003). Breeding marketable climbing beans resistant to angular leafspot, Pythium root rot, anthranose and Fusarium wilt. African Crop Science Conference, 12th – 17th October, 2003, Nairobi, Kenya.
  32. 6th African Crop Science Society Conference. Hilton Nairobi Hotel, Kenya. 12th – 17th, 2003.
  33. Conference on Biotechnology, Breeding and Seed systems for African Crops: “Research and Product Development that reaches Farmers”. Royal Botanical Beach Hotel, Entebbe, Uganda. 3rd – 8th Nov., 2002.
HONORS, PRIZE AND AWARDS
  1. Round 1 AWARD Fellow - African Women in Agricultural Research and Development (2008-2010)
  2. Round 1 Junior Mentee in Gender and Diversity Rockefeller Fellowship Program to Enhance Careers of women Crop Scientists in East Africa. (2006-2007).
TEACHING AREAS

BOTA 101 - General Botany 

BOTA 131 - General Microbiology

BOTA 251 - Introduction to Plant Pathology 

BOTA 352 - Crop Protection 

BOTA 334 - Techniques of Mushroom Production 

BOTA 453 - Plant Pathology

BOTA 482 - Research Projects 

BOTA 702 - Advanced Plant Pathology

BOTA 706 - Research Methods and Seminars in Plant Pathology 

POSTGRADUATE SUPERVISION
MASTERS LEVEL :

Completed:

1.Kariuki H. G. “Evaluation of antifungal secondary metabolites from Allophylus abyssinicus and its endophytes for control of bean anthracnose”. (Graduated 2024).

2.Nduati T. W. “Isolation of secondary metabolites from Juniperus procera with activity against selected maize and bean pathogens”. (Graduated 2024).

3.Wanga L. A. “Use of Zanthoxylum gilletii and Markhamia lutea and their endophytes to control the bacterial pathogens of Phaseoulus vulgaris L.” (Graduated 2018).  

4.Regina Chepkorir. “Investigation of secondary metabolites from Withania somnifera and Hagenia abyssinica for the control of maize and bean pathogens”. (Graduated 2018).  

5.Maritim W. C. “Isolation and characterization of antimicrobial secondary metabolites from Polyscias fulva (Araliaceae) and its endophytic fungi”. (Graduated 2018).  

6.Nyamboki D. K. “Antibacterial secondary metabolites from Tragia Insuavis (Euphorbiaceae) and its endophytic fungi”. (Graduated 2018).  

7.Yegon K. P. “Isolation of antifungal secondary metabolites from Phytolloca dodecandra, Basella alba and Lippia javanica against maize fungal pathogens”. (Graduated 2017).

8.Nasimiyu Velma W. “Characterization of antimicrobial compounds from selected medicinal plants, endophytes and cultures of macromycetes” (Graduated 2017).

9.Khadija N. H. “Isolation, characterization and screening of selected antagonistic microorganisms against major maize and bean pathogens”. (Graduated 2016).

10.Mwangi R. W. “Biocontrol of selected oyster mushroom diseases and contaminants using endophytic fungi and antagonistic bacteria”. Faculty of Science, Egerton University. (Graduated 2016).

11. Njeru P. W. “Evaluation of different substrates for indigenous oyster mushroom production and control of mushroom contaminants using plant extracts”. Faculty of Science, Egerton University. (Graduated 2016).

12. Kirui K. R. “Evaluation of chickpea (Cicer Arietinum L.) genotypes for Fusarium wilt resistance and its’ management using fungicides”. Faculty of Agriculture, Egerton University. (Graduated 2016).

13. Sitienei P. C. “Integrated Control of Armillaria Root Rot of Selected Indigenous Trees of Mau Forest Complex using Mycorrhizae and Trichoderma Harzianum (T4)”. Faculty of Science, Egerton University. (Graduated 2015).

14.Ochola S. O. “Biopesticidal potential of Leonotis nepetifolia and Ocimum gratissimum in controlling french bean anthracnose: A case of smallholder farmers in Kenya. Faculty of Agriculture, Egerton University”. (Graduated 2015).  

15. Mutai R. C. “Formulation of Trichoderma harzianum and its comparative storage stability in different substrates for the management of Armillaria root rot of tea”. Faculty of Science, Egerton University. (Graduated 2015).

16.Odhiambo B. O. “Use of bioagents to control growth of aflatoxigenic fungi and the associated aflatoxins in maize in selected districts of Kenya”. Faculty of Science, Egerton University. (Graduated, 2013).

17.Chepkirui Clara. “Antifungal secondary metabolites from Monanthotaxis littoralis with activity against mycotoxigenic fungi from maize”. (Graduated, 2013).

18.Nyukuri J. N. “Characterization of moulds associated with maize in Kuria, Kitale and Kakamega Districts and screening essential oils for antimould activities”. Faculty of Science, Egerton University. (Graduated 2012).

19.Gichue S. I. “Physiological Races of Wheat Stem Rust (Puccinia graminis Pers. f.sp. tritici Eriks & E. Henn) in Uasin Gishu Kenya and their Control using Tebuconazole 250 G/L + Tridimenol 125 G/L (Silvacur 375 G/L)”. Faculty of Agriculture, Egerton University (Graduated 2012).

20.Mwaniki P. K. “Morphological and cultural characterization of the predominant wilt pathogen of eggplant (Solanum aethiopicum, Solanum dasyphyllum, Solanum anguivi, Solanum macrocarpon} and identification of wilt-resistant eggplant accessions”. Faculty of Agriculture, Egerton University. (Graduated 2012).

21,Wasilwa A.J.W. “Management of angular leaf spot of common bean through use of resistant varieties and varietal mixtures”. Faculty of Agriculture Egerton University. (Graduated 2012).

22.Wakhungu J.N. “Evaluation of growth, grain yield and blast severity of finger millet (Eleusine coracana L. Gaerth) as influenced by levels of soil fertility and plant population in the highlands of Kisii”. Kenya Methodist University (Graduated 2010).

23.Thuranira J.G. “Management of pests and diseases of snow peas using biopesticides in Ngusishi location of Imenti north district, Kenya”. Kenya Methodist University. (Graduated 2010).  

24.Charimbu M. K., “Managing angular leaf spot of common bean (Phaseolus vulgaris L.) through host resistance, antifungal plant extracts and cultural practices”. Faculty of Science, Egerton University. (Graduated, 2009).

25.Odhiambo O. P. J., “Effects of varied magnetic intensities and exposure time on germination and growth of Rosecoco beans (Phaseolus vulgaris L.). Faculty of Science, Egerton University (Graduated 2008).  

 

Ongoing:

1.Manyengo F. “Exploiting genetic variations in the rice germplasm to outsmart blast pathogen (Magnaporthe oryzae)”. (Commenced 2023).

2.Taabu E. A. “Assessment of Herbal Remedies for Managing Covid-19 and Related Precautionary Practices in Njoro Sub-County, Kenya”. (Commenced 2023). 

PhD. LEVEL :

Completed:

1. Mutimawurugo M. C. “Evaluation of efficacy of selected plant extracts for management of potato bacterial wilt (Ralstonia solanacearum Smith) in Rwanda”.  (Graduated 18th June, 2021).

2. Mwaniki P. K. “Distribution, diversity and development of control strategies of potato bacterial wilt in Nakuru District, Kenya”. Faculty of Science, Egerton University. (Graduated 21st June, 2019). 

 

Ongoing:

1. Ruth Kerubo Kebati. “Quantification of aflatoxigenic fungi and associated aflatoxins and their management in maize production chain in Trans-Nzoia County, Kenya”. (Commenced 2020).

2. Sitienei P. K. “Characterization of Trichoderma species and evaluation for management of Aspergillus species of groundnut (Arachis hypogaea L.)”. (Commenced 2019).

OTHER SOCIETIES

(1).Kenya DAAD Scholars Association (KDSA) 

(2). African Crop Science Society (ACSS)

(3) Pesticidal Plant Technologies Network (PEPTEN)

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