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Research Article |

Screening of Red Small Common Bean Genotypes for Resistance to Angular Leaf Spot and Cercospora Leaf Spot Disease of Common Bean at Bako Area

Common bean (Phaseolus vulgaris L.) is an important crop worldwide, comprising of both dry beans and snap (green) beans. The crop has significant economic importance both in income and food sources with high nutritional value in developing countries of Africa, Asia and Latin America. Despite the economic and food security importance of these crops, actual smallholder farm yields are by far below the potential production. The effect of diseases may be restricted to certain production systems, locations and cropping seasons. This activity was initiated to screen resistance or moderately resistance Common bean genotypes against to Angular leaf spot and cercospora leaf spot disease of common bean. 121 common genotypes were used in the experimental with arranged in simple lattice design two rows for one genotype. Disease severity was assessed from 8 per-tagged plants as the percentage with regular intervals using a 1-9 scale. The highest final angular leaf spot and cercospora leaf spot disease severity index was recorded G27 (61.7%) and G92 (38.3%) followed by G172 (60%), and G163 (37.7%) respectively. Among genotypes 121 genotypes, none was found immune or resistant, 49 genotypes found to be moderately resistant (10.1-20% severity), 61 genotypes found to be moderately susceptible (21.-50% severity) and 20 genotypes found to be susceptible (50.1-70% severity), for angular leaf spot and 3 genotypes was found immune or resistant (1-10% severity), 32 genotypes found to be moderately resistant (10.1-20% severity), 85 genotypes found to be moderately susceptible (21.-50% severity) and None of genotypes found to be susceptible (50.1-70% severity) to cercospora leaf spot, disease severity index respectively. In the study it was investigated that significant variation observed in angular leaf spot and cercospora leaf spot disease resistance, growth, grain yield and yield components among the 121 genotypes evaluated at Bako.

Screening, Common Bean, Resistance, Disease

APA Style

Guta, A. (2023). Screening of Red Small Common Bean Genotypes for Resistance to Angular Leaf Spot and Cercospora Leaf Spot Disease of Common Bean at Bako Area. Journal of Plant Sciences, 11(6), 182-191.

ACS Style

Guta, A. Screening of Red Small Common Bean Genotypes for Resistance to Angular Leaf Spot and Cercospora Leaf Spot Disease of Common Bean at Bako Area. J. Plant Sci. 2023, 11(6), 182-191. doi: 10.11648/j.jps.20231106.12

AMA Style

Guta A. Screening of Red Small Common Bean Genotypes for Resistance to Angular Leaf Spot and Cercospora Leaf Spot Disease of Common Bean at Bako Area. J Plant Sci. 2023;11(6):182-191. doi: 10.11648/j.jps.20231106.12

Copyright © 2023 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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