Abstract
In diagnostic surveys, Curvularia stem blight affected 9, 13, and 38% of cassava fields, respectively, in Benin, Ghana, and Nigeria. Disease incidence (number of plants with visible symptoms per total sampled) ranged between 0 and 80%, and severity (number of lesions) between 2 and 25 lesions per stem. In greenhouse studies, the fungus inhibited shoot growth depending on the degree of bud colonization, such that when buds were completely colonized, they failed to sprout. Partially colonized buds sprouted, but depending on genotype, overall growth was reduced 20 to 50% compared with healthy stems. Shoot growth for all artificially inoculated cultivars was consistently lower than for the respective noninoculated plants, and they suffered up to 50% leaf abscission. In two field localities, shoot sprouting for cultivars TMS 30572 and Odongbo was reduced 4 to 18% and 26 to 58% compared with noninoculated stems.
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Claims 12
Claim · model-written summary
Curvularia stem blight affected 9% of cassava fields in Benin.
- Taxon
- cassava
Manihot esculentat0 - Interactor
- Curvularia
Curvulariat0pathogen - Outcome
- Curvularia stem blighte1
- Value
- 9e1
- Setting
- Benine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e1“In diagnostic surveys, Curvularia stem blight affected 9, 13, and 38% of cassava fields, respectively, in Benin, Ghana, and Nigeria”
Claim · model-written summary
Curvularia stem blight affected 13% of cassava fields in Ghana.
- Taxon
- cassavaManihot esculentat0
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- Curvularia stem blighte1
- Value
- 13e1
- Setting
- Ghanae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e1“In diagnostic surveys, Curvularia stem blight affected 9, 13, and 38% of cassava fields, respectively, in Benin, Ghana, and Nigeria”
Claim · model-written summary
Curvularia stem blight affected 38% of cassava fields in Nigeria.
- Taxon
- cassavaManihot esculentat0
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- Curvularia stem blighte1
- Value
- 38e1
- Setting
- Nigeriae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e1“In diagnostic surveys, Curvularia stem blight affected 9, 13, and 38% of cassava fields, respectively, in Benin, Ghana, and Nigeria”
Claim · model-written summary
Disease incidence of Curvularia stem blight ranged between 0 and 80% of plants.
- Taxon
- cassavaManihot esculentat0
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- Disease incidencee2
- Value
- 0 and 80%e2
- Qualifier
- number of plants with visible symptoms per total samplede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e2“Disease incidence (number of plants with visible symptoms per total sampled) ranged between 0 and 80%”
Claim · model-written summary
Curvularia stem blight severity ranged between 2 and 25 lesions per stem.
- Taxon
- cassavaManihot esculentat0
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- severitye3
- Value
- 2 and 25 lesions per steme3
- Qualifier
- number of lesionse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e3“severity (number of lesions) between 2 and 25 lesions per stem”
Claim · model-written summary
In greenhouse studies, the fungus inhibited cassava shoot growth depending on the degree of bud colonization.
- Taxon
- cassavaManihot esculentat0
- Treatment
- bud colonizatione4
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- shoot growthe4
- Direction
- inhibitede4
- Setting
- greenhouse studiese4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e4“In greenhouse studies, the fungus inhibited shoot growth depending on the degree of bud colonization”
Claim · model-written summary
When buds were completely colonized by Curvularia, they failed to sprout.
- Taxon
- cassavaManihot esculentat0
- Treatment
- buds were completely colonizede5
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- sproute5
- Direction
- failede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e5“such that when buds were completely colonized, they failed to sprout”
Claim · model-written summary
Partially colonized cassava buds sprouted, but overall growth was reduced 20 to 50% compared with healthy stems.
- Taxon
- cassavaManihot esculentat0
- Treatment
- partially colonized budse6
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- overall growthe6
- Direction
- reducede6
- Value
- 20 to 50%e6
- Qualifier
- depending on genotypee6
- Comparator
- healthy stemse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e6“Partially colonized buds sprouted, but depending on genotype, overall growth was reduced 20 to 50% compared with healthy stems”
Claim · model-written summary
Artificially inoculated cassava cultivars showed consistently lower shoot growth than noninoculated plants.
- Taxon
- cassavaManihot esculentat0
- Material
- cultivarse7
- Treatment
- artificially inoculatede7
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- Shoot growthe7
- Direction
- lowere7
- Qualifier
- consistentlye7
- Comparator
- noninoculated plantse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e7“Shoot growth for all artificially inoculated cultivars was consistently lower than for the respective noninoculated plants”
Claim · model-written summary
Inoculated cassava plants suffered up to 50% leaf abscission.
- Taxon
- cassavaManihot esculentat0
- Interactor
- CurvulariaCurvulariat0pathogen
- Outcome
- leaf abscissione2
- Value
- up to 50%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e2“they suffered up to 50% leaf abscission”
Claim · model-written summary
Shoot sprouting of cassava cultivar TMS 30572 was reduced 4 to 18% compared with noninoculated stems in field localities.
- Taxon
- cassavaManihot esculentat0
- Material
- TMS 30572e3
- Outcome
- shoot sproutinge3
- Direction
- reducede3
- Value
- 4 to 18%e3
- Comparator
- noninoculated stemse3
- Setting
- field localitiese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e3“In two field localities, shoot sprouting for cultivars TMS 30572 and Odongbo was reduced 4 to 18% and 26 to 58% compared with noninoculated stems”
Claim · model-written summary
Shoot sprouting of cassava cultivar Odongbo was reduced 26 to 58% compared with noninoculated stems in field localities.
- Taxon
- cassavaManihot esculentat0
- Material
- Odongboe3
- Outcome
- shoot sproutinge3
- Direction
- reducede3
- Value
- 26 to 58%e3
- Comparator
- noninoculated stemse3
- Setting
- field localitiese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Severity of Curvularia Stem Blight Disease of Cassava in West Africa”
e3“In two field localities, shoot sprouting for cultivars TMS 30572 and Odongbo was reduced 4 to 18% and 26 to 58% compared with noninoculated stems”