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The Potential of Fungi as Bio-Control Agents in Managing Colletotrichum Kahawae In Kenya

Happiness Nyambuge Msenya*1, Steven Runo2, Douglas Watuku Miano3, Mary Wanjiku Gikungu4, Elijah Kathurima Gichuru1, Cecilia Wagikondi Kathurima1 and Getrude Okutoyi Alworah1

1 Kenya Agricultural and Livestock Research Organization-Coffee Research Institute, Ruiru-Kenya.

2 Kenyatta University, Department of Biochemistry and Biotechnology, Nairobi, Kenya.

3 The University of Nairobi, Department of Plant Science and Crop Protection, Kangemi, Kenya.

4 National Museums of Kenya, Department of Zoology, Nairobi, Kenya.

Corresponding Author's Email: happinessmsenya@yahoo.com

DOI : http://dx.doi.org/10.12944/CARJ.9.3.04

Article Publishing History

Received: 04 Sep 2021
Accepted: 20 Dec 2021
Published Online: 27 DEC 2021

Review Details

Reviewed by: Prof. Shah Alam Khan Pakistan
Second Review by: Prof. Fatiha Hakimi Morocco
Final Approval by: Dr. Andrea Sciarretta

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Abstract:

Colletotrichum kahawae is a causative fungal agent of Coffee Berry Disease (CBD) that negatively affects coffee production. Its control relies on use of resistant varieties and chemical control. Fungicides used in control of CBD are costly and pose a risk to environment and health. The study was aimed at assessing the possible antagonistic potential of fungal isolates against Colletotrichum kahawae in in vitro conditions. Five isolates were used; one isolate was collected from berries while the rest were collected from soil. Testing for antagonism against Colletorichum kahawae was done by co-culturing the isolates on Potato Dextrose Agar. The degree of antagonism was determined by measuring and comparing the radial growth of pathogen with the bio-agent against the control. Out of the five isolates tested against C. kahawae, three isolates Fusarium proliferetum, Penicillium and Fusarium ceraneasum significantly inhibited test pathogen growth at 60%, 55% and 45.45%, respectively. The other isolates, Fumigatus aspergillus and Chaetomium perithecia showed inhibition of growth at 40% and 18.18% respectively. It was concluded that there is potential of using fungi as bio control of the coffee berry disease.

Keywords:

Antagonist; Bio-Control; Coffee Berry Disease; Colletotrichum Kahawae

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Msenya H. N, Runo S, Miano D. W, Gikungu M. W, Gichuru E. K, Kathurima C. W, Alworah G. O. The Potential of Fungi as Bio-Control Agents in Managing Colletotrichum Kahawae In Kenya. Curr Agri Res 2021; 9(3).. doi : http://dx.doi.org/10.12944/CARJ.9.3.04

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Msenya H. N, Runo S, Miano D. W, Gikungu M. W, Gichuru E. K, Kathurima C. W, Alworah G. O. The Potential of Fungi as Bio-Control Agents in Managing Colletotrichum Kahawae In Kenya. Curr Agri Res 2021; 9(3). Available from: https://bit.ly/3pMV4BX

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