Abstract
A bacterial blight of sweet spanish onions (Allium cepa) was observed for the first time in the winter and spring of 1990 and again in 1991 in the Vidalia region of Georgia. A fluorescent bacterium, the colonies of which initially were white but turned yellow with age on King's medium B agar, was isolated consistently from necrotic streaks and oval, water-soaked lesions on upper portions of leaves, rotted areas at the base of leaves, and from one or more discolored inner scales of bulbs. Many strains of the onion pathogen were copper-tolerant
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Claims 3
Claim · model-written summary
Bacterial blight of sweet spanish onions was observed in Vidalia in 1990 and 1991.
- Taxon
- sweet spanish onionse0
- Interactor
- Pseudomonas viridiflava
Pseudomonas viridiflavat0pathogen - Outcome
- bacterial blighte0
- Setting
- Vidalia region of Georgiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A bacterial blight of sweet spanish onions (Allium cepa) was observed for the first time in the winter and spring of 1990 and again in 1991 in the Vidalia region of Georgia”
t0“Pseudomonas viridiflava”
Claim · model-written summary
A fluorescent bacterium was consistently isolated from onion lesions and bulb tissues.
- Taxon
- Pseudomonas viridiflavaPseudomonas viridiflavat0
- Outcome
- isolated consistently from necrotic streaks and oval, water-soaked lesionse0
Not reportedInteractor
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A fluorescent bacterium, the colonies of which initially were white but turned yellow with age on King's medium B agar, was isolated consistently from necrotic streaks and oval, water-soaked lesions on upper portions of leaves, rotted areas at the base of leaves, and from one or more discolored inner scales of bulbs”
t0“Pseudomonas viridiflava”
Claim · model-written summary
Many onion pathogen strains were copper-tolerant.
- Taxon
- Pseudomonas viridiflavaPseudomonas viridiflavat0
- Outcome
- copper-tolerante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Many strains of the onion pathogen were copper-tolerant”
t0“Pseudomonas viridiflava”