Abstract
Chocolate spot (Botrytis fabae Sard.) is a disease that wreaks havoc on the world's faba bean crop production. The main purpose of this study was to assess the progress of chocolate spot disease on the faba bean variety under field conditions and to compare the performance of disease measurement methods [area under disease progress curve (AUDPC) and area under disease progress stairs (AUDPS)] with their relative and standard forms. The study was conducted at Shambu and Guduru in Western Oromia, Ethiopia, and 15 faba bean varieties were assessed with different disease measurement methods during the 2016 and 2017 cropping seasons. A disease and yield components were found to be statistically significant differences (p < 0.05) between the varieties. The Gora variety was well performed in both yield and disease resistance, but the Mesay variety was shown as susceptible. All disease assessment methods were well performed by fitting statistical evaluation, but the relative area under disease progress curve (rAUDPS) was not significant and fitted to measure the disease progression in the faba bean varieties. Different factors, such as the virulence of the pathogen Botrytis fabae, environmental variation, quantitative resistance genes in faba bean varieties, and physical barriers of the crop against the disease, may be determined by the variation of how different varieties react to the disease. The disease resistance in faba bean varieties proved considerable using the best-performing disease assessment methodologies such as relative area under disease progress curve, standardised area under disease progress curve, standardised area under disease progress stairs, area under disease progress curve and area under disease progress stairs.
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We thank Wollega University Shambu Campus for financing the study.
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Fikiru Wakoya was responsible for the manuscript's conceptualization, data analysis, and interpretation of the data and writing; Tola Abdissa was responsible for the manuscript's conceptualization, data analysis, interpretation, and technical editing. All authors have read and agreed to the published version of the manuscript.
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Wakoya, F., Abdissa, T. Assessment of chocolate spot (Botrytis fabae Sard.) disease progression on Faba bean (Vicia faba L.) at western Oromia, Ethiopia. Indian Phytopathology 75, 1031–1041 (2022). https://doi.org/10.1007/s42360-022-00537-1
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DOI: https://doi.org/10.1007/s42360-022-00537-1