A screening technique for resistance to Fusarium root for of common bean

Resistance to Fusarium root rot (FRR) in common bean is documented as a quantitative trait and as such is greatly influenced by several environmental factors. A reproducible disease screening technique that considers the selection environment is therefore important in selecting resistant lines. A...

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Autores principales: Mukankusi, Clare Mugisha, Melis, R, Derera, J., Buruchara, Robin Arani, Mark, D.
Formato: Journal Article
Lenguaje:Inglés
Publicado: 2011
Materias:
Acceso en línea:https://hdl.handle.net/10568/42536
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author Mukankusi, Clare Mugisha
Melis, R
Derera, J.
Buruchara, Robin Arani
Mark, D.
author_browse Buruchara, Robin Arani
Derera, J.
Mark, D.
Melis, R
Mukankusi, Clare Mugisha
author_facet Mukankusi, Clare Mugisha
Melis, R
Derera, J.
Buruchara, Robin Arani
Mark, D.
author_sort Mukankusi, Clare Mugisha
collection Repository of Agricultural Research Outputs (CGSpace)
description Resistance to Fusarium root rot (FRR) in common bean is documented as a quantitative trait and as such is greatly influenced by several environmental factors. A reproducible disease screening technique that considers the selection environment is therefore important in selecting resistant lines. A study was conducted to evaluate soil composition and irrigation frequency on the severity of FRR, using a predominant pathogenic isolate from SW Uganda at the International Centre for Tropical Agriculture (CIAT) in Uganda. Five soil compositions (i) 80% lake sand:20% forest soil, ii) 50% lake sand:50% forest soil, iii) 80% swamp soil:20% forest soil, iv) 50% swamp soil:50% forest soil and v) forest soil alone), and five irrigation frequency levels (once a week, twice a week, three times a week, four times a week, and daily) were evaluated on six common bean varieties with varying levels of resistance to FRR. Forest soil and 50% swamp soil: 50% forest soil (soil composition); daily irrigation and irrigation once a week (irrigation frequency) differentiated test varieties most distinctly, according to their reaction to FRR. In conclusion, a combination of forest soil and daily watering using a pathogenic isolate FSP-3 provided adequate FRR disease levels for disease evaluation and differentiation of bean varieties and was adopted for genetic studies on FRR resistance in beans.
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spelling CGSpace425362025-03-11T12:14:31Z A screening technique for resistance to Fusarium root for of common bean Mukankusi, Clare Mugisha Melis, R Derera, J. Buruchara, Robin Arani Mark, D. common bean fusarium root rot resistance irrigation frequency screening technique soil composition Resistance to Fusarium root rot (FRR) in common bean is documented as a quantitative trait and as such is greatly influenced by several environmental factors. A reproducible disease screening technique that considers the selection environment is therefore important in selecting resistant lines. A study was conducted to evaluate soil composition and irrigation frequency on the severity of FRR, using a predominant pathogenic isolate from SW Uganda at the International Centre for Tropical Agriculture (CIAT) in Uganda. Five soil compositions (i) 80% lake sand:20% forest soil, ii) 50% lake sand:50% forest soil, iii) 80% swamp soil:20% forest soil, iv) 50% swamp soil:50% forest soil and v) forest soil alone), and five irrigation frequency levels (once a week, twice a week, three times a week, four times a week, and daily) were evaluated on six common bean varieties with varying levels of resistance to FRR. Forest soil and 50% swamp soil: 50% forest soil (soil composition); daily irrigation and irrigation once a week (irrigation frequency) differentiated test varieties most distinctly, according to their reaction to FRR. In conclusion, a combination of forest soil and daily watering using a pathogenic isolate FSP-3 provided adequate FRR disease levels for disease evaluation and differentiation of bean varieties and was adopted for genetic studies on FRR resistance in beans. 2011 2014-09-24T07:58:10Z 2014-09-24T07:58:10Z Journal Article https://hdl.handle.net/10568/42536 en Open Access
spellingShingle common bean
fusarium root rot
resistance
irrigation frequency
screening technique
soil composition
Mukankusi, Clare Mugisha
Melis, R
Derera, J.
Buruchara, Robin Arani
Mark, D.
A screening technique for resistance to Fusarium root for of common bean
title A screening technique for resistance to Fusarium root for of common bean
title_full A screening technique for resistance to Fusarium root for of common bean
title_fullStr A screening technique for resistance to Fusarium root for of common bean
title_full_unstemmed A screening technique for resistance to Fusarium root for of common bean
title_short A screening technique for resistance to Fusarium root for of common bean
title_sort screening technique for resistance to fusarium root for of common bean
topic common bean
fusarium root rot
resistance
irrigation frequency
screening technique
soil composition
url https://hdl.handle.net/10568/42536
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