alexa Resistance Levels to Root Rot and Angular Leaf Spot Dis
ISSN: 2329-8863

Advances in Crop Science and Technology
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Research Article

Resistance Levels to Root Rot and Angular Leaf Spot Diseases in Selected High Iron Bean Genotypes

Mukamuhirwa F1,2*, Mukankusi MC3, Tusiime G1, Butar L2, Musoni A2, Ngaboyisonga C2, Gahakwa D2, Gibson P1 and Kelly K1

1Department of Agricultural production, Makerere University, Kampala, Uganda

2Rwanda Agriculture Board, Kigali, Rwanda

3CIAT Africa, National Agricultural Research laboratories-Kawanda, Kampala, Uganda

*Corresponding Author:
Floride Mukamuhirwa
Department of Agricultural production
MakerereUniversity, PO Box-7062, Kampala, Uganda
Tel: +250788633110
E-mail: [email protected]

Received date: April 04, 2017; Accepted date: April 20, 2017; Published date: April 27, 2017

Citation: Mukamuhirwa F, Mukankusi MC, Tusiime G, Butar L, Musoni A, et al.(2017) Resistance Levels to Root Rot and Angular Leaf Spot Diseases in Selected High Iron Bean Genotypes. Adv Crop Sci Tech 5:274. doi: 10.4172/2329-8863.1000274

Copyright: © 2017 Mukamuhirwa F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Common bean production is constrained by different diseases the major ones being, Angular Leaf Spot (ALS), bean root rot, anthracnose, Common Bright Bacteria (CBB), Bean Common Cosaic Virus (BCMV) and Bean Common Mosaic Necrotic Virus, (BCMNV). The aim of this study was to identify new and better sources of broad resistance to both bean ALS and Root Rot diseases among nutritional bean varieties. Fifty seven varieties were planted in the screen house of CIAT Africa based at Kawanda Agricultural Research Laboratories Institute (KARL). Virulent inocula actually used at CIAT were used to test these genotypes. Different varieties were resistant to specific isolates but interestingly, only ACC 714 contained broad resistance to both Andean and MesoAmerican isolates of bean Angular Leaf Spot as well as Fusarium root rot and Pythium root rot at mean, median and mode basis. Since different nutritional bean varieties have varying levels of resistance to different pathogens, it may be possible to pyramid these resistance genes into appropriate background so as to provide durable resistance in biofortified bean genotypes higher in iron and zinc content.


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