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 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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Format: | Journal Article biblioteca |
Language: | English |
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2011
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Subjects: | common bean, fusarium root rot, resistance, irrigation frequency, screening technique, soil composition, |
Online Access: | https://hdl.handle.net/10568/42536 http://academicjournals.org/article/article1379944799_Mukankusi%20et%20al.pdf |
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dig-cgspace-10568-425362023-02-15T05:12:05Z A screening technique for resistance to Fusarium root for of common bean Mukankusi, Clare Mugisha Melis, R Derera, J. Buruchara, Robin A. 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 1996-0824 https://hdl.handle.net/10568/42536 http://academicjournals.org/article/article1379944799_Mukankusi%20et%20al.pdf en Open Access African Journal of Plant Science |
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common bean fusarium root rot resistance irrigation frequency screening technique soil composition common bean fusarium root rot resistance irrigation frequency screening technique soil composition |
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common bean fusarium root rot resistance irrigation frequency screening technique soil composition common bean fusarium root rot resistance irrigation frequency screening technique soil composition Mukankusi, Clare Mugisha Melis, R Derera, J. Buruchara, Robin A. Mark, D A screening technique for resistance to Fusarium root for of common bean |
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. |
format |
Journal Article |
topic_facet |
common bean fusarium root rot resistance irrigation frequency screening technique soil composition |
author |
Mukankusi, Clare Mugisha Melis, R Derera, J. Buruchara, Robin A. Mark, D |
author_facet |
Mukankusi, Clare Mugisha Melis, R Derera, J. Buruchara, Robin A. Mark, D |
author_sort |
Mukankusi, Clare Mugisha |
title |
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_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_sort |
screening technique for resistance to fusarium root for of common bean |
publishDate |
2011 |
url |
https://hdl.handle.net/10568/42536 http://academicjournals.org/article/article1379944799_Mukankusi%20et%20al.pdf |
work_keys_str_mv |
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1779051319785422848 |