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International Journal of Plant Pathology
  Year: 2022 | Volume: 13 | Issue: 1 | Page No.: 1-8
DOI: 10.3923/ijpp.2022.1.8
 
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Gidami Coffea arabica Collections Against Coffee Berry Disease (Colletotrichum kahawae), Western Ethiopia

Zenebe Wubshet Hordofa , Daniel Teshome Lopisso and Weyessa Garedew Terefe

Abstract:
Background and Objective: Ethiopia is the centre of origin and diversity of Arabica coffee which serves as a driving force for the country’s economy. However, fungal pathogens especially C. kahawae induce coffee berry disease challenges coffee production widely. Hence, the objective/s/ of this study was to evaluate the reaction of local C. arabica accessions against coffee berry disease under field and laboratory conditions. Materials and Methods: CBD was assessed on a total of 100 coffee accessions (92 accessions plus 8 checks) under field condition visually (0-100% disease scale) and further evaluation was undertaken on the best performed promising accessions via attached (field) and detached berry test (lab.) conditions. Results: the result indicated significant differences (p<0.001) among treatments at both conditions. Six accessions namely G63, G65, G57, G72, G15 and G70 revealed the lowest disease severity score (<10%) at field ABT and G65, G63 and G15 showed 24-28% infection percentage in the lab DBT, hence, relatively resistant for CBD. While, four coffee accessions i.e. G50, G89, G92 and G67 showed a susceptible reaction (>25% berry infection). Here, the present study not only directed the impact of CBD rather demonstrates the role of host resistance in combating this disease. Conclusion: Therefore, future research should focus on the evaluation of these promising coffee accessions across multi-location field trials several years, diversity/identity verification of C. kahawae isolates using more other methods and further studies on the resistance mechanism of CBD as a priority research topic for full understanding about C. arabica-C. kahawae pathosystem.
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How to cite this article:

Zenebe Wubshet Hordofa, Daniel Teshome Lopisso and Weyessa Garedew Terefe, 2022. Gidami Coffea arabica Collections Against Coffee Berry Disease (Colletotrichum kahawae), Western Ethiopia. International Journal of Plant Pathology, 13: 1-8.

DOI: 10.3923/ijpp.2022.1.8

URL: https://scialert.net/abstract/?doi=ijpp.2022.1.8

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