Abstract
Rytter, J. L., Lukezic, F. L., Craig, R., and Moorman, G. W. 1989. Biological control of geranium rust by Bacillus subtilis. Phytopathology 79:367-370. Twelve strains of Bacillus were isolated from the leaves of geranium area, followed by the washed bacterial cell treatment. Nutrients affected the cultivars and tested for their effect on spore germination of Puccinia pathogen/antagonist interaction. Cells cultured and applied to leaves in pelargonii-zonalis, the causal agent of geranium rust. Of these, strain 3 of B. nutrient broth were more effective in reducing rust development compared subtilis, isolated from a rust-infected geranium leaf, inhibited spore with a culture filtrate. Eugon broth as a culture medium enhanced the germination and reduced the incidence of rust pustules on inoculated leaves antagonistic effect compared with cultures produced in nutrient broth. in the greenhouse. The inhibitory agent(s) was present in the culture filtrate When bacteria were applied for different periods before inoculation with of strain 3 and was retained in or on washed bacterial cells. The culture rust spores, the antagonistic effect persisted for at least 4 days after filtrate was most inhibitory in decreasing the amount of pustules per leaf application.
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Claims 5
Claim · model-written summary
Bacillus strain 3 inhibited rust spore germination.
- Treatment
- subtilise0
- Interactor
- Rustt0pathogen
- Second interactor
- subtilise0biocontrol_agent
- Outcome
- sporee0
- Direction
- inhibitede0
GeraniumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“subtilis, isolated from a rust-infected geranium leaf, inhibited spore with a culture filtrate. Eugon broth as a culture medium enhanced the germination”
t0“Geranium Rust byBacillus subtilis”
Claim · model-written summary
Bacillus application reduced rust pustule incidence on inoculated geranium leaves in a greenhouse.
- Treatment
- Bacillus subtilist0
- Interactor
- Rustt0pathogen
- Second interactor
- Bacillus subtilis
Bacillus subtilist0biocontrol_agent - Outcome
- incidence of rust pustulese0
- Direction
- reducede0
- Setting
- greenhousee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced the incidence of rust pustules on inoculated leaves”
e1“in the greenhouse”
t0“Geranium Rust byBacillus subtilis”
Claim · model-written summary
The culture filtrate was more inhibitory than washed bacterial cells in reducing pustules.
- Treatment
- culture filtratee1
- Interactor
- Rustt0pathogen
- Second interactor
- Bacillus subtilisBacillus subtilist0biocontrol_agent
- Outcome
- amount of pustules per leafe2
- Direction
- decreasinge2
- Comparator
- washed bacterial cell treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“washed bacterial cell treatment”
e1“with a culture filtrate”
e2“filtrate was most inhibitory in decreasing the amount of pustules per leaf application.”
t0“Geranium Rust byBacillus subtilis”
Claim · model-written summary
Eugon broth enhanced antagonistic effect compared with nutrient broth.
- Treatment
- Eugon brothe0
- Interactor
- Rustt0pathogen
- Second interactor
- Bacillus subtilisBacillus subtilist0biocontrol_agent
- Outcome
- antagonistic effecte1
- Direction
- enhancede0
- Comparator
- nutrient brothe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Eugon broth as a culture medium enhanced”
e1“antagonistic effect compared with cultures produced in nutrient broth.”
t0“Geranium Rust byBacillus subtilis”
Claim · model-written summary
The antagonistic effect persisted for at least four days after application.
- Interactor
- Rustt0pathogen
- Second interactor
- Bacillus subtilisBacillus subtilist0biocontrol_agent
- Outcome
- antagonistic effecte0
- Value
- at least 4 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the antagonistic effect persisted for at least 4 days after filtrate was most inhibitory in decreasing the amount of pustules per leaf application.”
t0“Geranium Rust byBacillus subtilis”
The same questions in other papers
Bacillus subtilis · disease · GeraniumResults agree
1 paper in the same direction as this paper
- positive
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.