Abstract
The objective of this work was to verify if the induced resistance mechanism is responsible for the capacity of a phylloplane resident bacteria (Bacillus cereus), isolated from healthy tomato plants, to control several diseases of this crop. A strain of Pseudomonas syringae pv. tomato was used as the challenging pathogen. The absence of direct antibiosis of the antagonist against the pathogen, the significant increase in peroxidases activity in tomato plants exposed to the antagonist and then inoculated with the challenging pathogen, as well as the character of the protection, are evidences wich suggest that biocontrol efficiency presented by the antagonist in previous works might be due to induced systemic resistance (ISR).
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Claims 3
Claim · model-written summary
The Bacillus cereus antagonist showed no direct antibiosis against the Pseudomonas syringae pv. tomato pathogen.
- Taxon
- tomato
Solanum lycopersicumt0 - Interactor
- Pseudomonas syringae pv. tomato
Pseudomonas syringae pv. tomatoe0pathogen - Second interactor
- Bacillus cereus
Bacillus cereuse2biocontrol_agent - Outcome
- direct antibiosise1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A strain of Pseudomonas syringae pv. tomato was used as the challenging pathogen”
e1“The absence of direct antibiosis of the antagonist against the pathogen”
e2“Bacillus cereus”
t0“tomato”
Claim · model-written summary
Peroxidase activity increased significantly in tomato plants exposed to the antagonist and then inoculated with the challenging pathogen.
- Taxon
- tomatoSolanum lycopersicume3
- Treatment
- exposed to the antagonist and then inoculated with the challenging pathogene3
- Interactor
- Pseudomonas syringae pv. tomatoPseudomonas syringae pv. tomatoe0pathogen
- Second interactor
- Bacillus cereusBacillus cereuse2biocontrol_agent
- Outcome
- peroxidases activitye3
- Direction
- increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A strain of Pseudomonas syringae pv. tomato was used as the challenging pathogen”
e3“the significant increase in peroxidases activity in tomato plants exposed to the antagonist and then inoculated with the challenging pathogen”
e2“Bacillus cereus”
Claim · model-written summary
The authors suggest that the biocontrol efficiency of the antagonist might be due to induced systemic resistance.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- Bacillus cereusBacillus cereuse2biocontrol_agent
- Outcome
- biocontrol efficiencye4
- Qualifier
- induced systemic resistance (ISR)e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“biocontrol efficiency presented by the antagonist in previous works might be due to induced systemic resistance (ISR)”
t0“tomato”
e2“Bacillus cereus”
The same questions in other papers
inoculation · Pseudomonas syringae pv. tomato · Solanum lycopersicum (tomato)Positive and negative results
10 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- negative
10 papers more in this group
See all 14 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.