Abstract
Sudden death syndrome (SDS) of soybean was observed in a field in Brasilia DF, Brazil in the 1992 growing season, which was cool and wet. Initial symptoms consitsted of chlorotic spots which became necrotic or developed into chlorotic streaks, and the leaflet veins remained green, Fusarium solani with blue pigment was isolated from the diseased plants at a high percentage. Inoculation of the pathogen resulted in the development of typical interveinal chlorotic spots on the leaves and the fungus was reisolated from the diseased roots. Koch’s postulates were fulfilled. Common bean was more susceptible than soybean in artificial inoculation test. This is the first report of SDS of soybean in Brazil and first observation in South America. Discipline: Plant disease Additional key words: Fusarium solani, Glycine max, common bean, pathogenicity
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Claims 7
Claim · model-written summary
Soybean sudden death syndrome occurred in a cool, wet field season in Brasilia, Brazil.
- Taxon
- soybean
Glycine maxe0 - Outcome
- Sudden death syndrome (SDS)e0
- Qualifier
- 1992 growing season, which was cool and wete0
- Setting
- Brasilia DF, Brazile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sudden death syndrome (SDS) of soybean was observed in a field in Brasilia DF, Brazil in the 1992 growing season, which was cool and wet”
Claim · model-written summary
Affected soybean leaflets developed chlorotic spots, necrosis or chlorotic streaks while veins remained green.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- leaflete0
- Outcome
- chlorotic spots which became necrotic or developed into chlorotic streaks, and the leaflet veins remained greene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Initial symptoms consitsted of chlorotic spots which became necrotic or developed into chlorotic streaks, and the leaflet veins remained green”
t0“Soybean”
Claim · model-written summary
Fusarium solani with blue pigment was frequently isolated from diseased soybean plants.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- Fusarium solani
_Sacc._5393379.jpg?width=60)
Fusarium solanie0pathogen - Outcome
- Fusarium solani with blue pigment was isolated from the diseased plants at a high percentagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Sacc._5393379.jpg?width=500)
Verbatim
e0“Fusarium solani with blue pigment was isolated from the diseased plants at a high percentage”
t0“Soybean”
Claim · model-written summary
Pathogen inoculation produced typical interveinal chlorotic spots on soybean leaves and the fungus was reisolated from roots.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Inoculation of the pathogene0
- Interactor
- Fusarium solaniFusarium solanie1pathogen
- Outcome
- typical interveinal chlorotic spots on the leavese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of the pathogen resulted in the development of typical interveinal chlorotic spots on the leaves and the fungus was reisolated from the diseased roots”
t0“Soybean”
e1“Fusarium solani with blue pigment was isolated from the diseased plants at a high percentage”
Claim · model-written summary
The fungus was reisolated from diseased soybean roots after inoculation.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- Fusarium solaniFusarium solanie1pathogen
- Outcome
- fungus was reisolated from the diseased rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the fungus was reisolated from the diseased roots”
e1“Fusarium solani with blue pigment was isolated from the diseased plants at a high percentage”
t0“Soybean”
Claim · model-written summary
Common bean was more susceptible than soybean in an artificial inoculation test.
- Taxon
- Common bean
Phaseolus vulgarise0 - Treatment
- artificial inoculatione0
- Outcome
- susceptiblee0
- Direction
- moree0
- Comparator
- soybeane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common bean was more susceptible than soybean in artificial inoculation test”
Claim · model-written summary
This was the first report of soybean sudden death syndrome in Brazil and South America.
- Taxon
- soybeanGlycine maxe0
- Outcome
- first report of SDS of soybeane0
- Setting
- Brazile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This is the first report of SDS of soybean in Brazil and first observation in South America”
The same questions in other papers
inoculation · disease · Phaseolus vulgaris (common bean)Positive and negative results
39 papers in the same direction as this paper · 28 in the opposite direction
- positive
- positive
- positive
64 papers more in this group
See all 68 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.