Abstract
Endophytic and epiphytic bacteria have been reported as agents of bio-control of diseases and plant growth promotors. Here, in vitro and greenhouse experiments were conducted to evaluate the action of two microbial strains; Aureobasidium pullulans and Pantoea agglomerans, on biocontrol of bacterial canker and growth promotion of tomato (Lycopersicon esculentum cv. Campbell 33). Two frequencies of treatment were used to assess their potential effect (15 and 30 days between two subsequent treatments). The two strains were able to inhibit, in vitro, the growth of Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker. Also, their antagonistic effects were confirmed in greenhouse conditions. Indeed, bacterial canker incidence in tomato plants treated with A. pullulans and P. agglomerans separately or in mixture was significantly less severe (16%) compared to the positive control (83%). The treatment frequency (intervals of 15 or 30 days) and the choice of strains to inoculate (separated or combined strains) appear to be essential for obtaining significant results. Consequently, both A. pullulans and P. agglomerans strains highly reduced incidence of bacterial canker particularly when tomato plants were treated at a frequency of fifteen days
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Claims 8
Claim · model-written summary
Aureobasidium pullulans inhibited Clavibacter growth in vitro.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- Aureobasidium pullulanse1
- Interactor
- Clavibacter michiganensis subsp. michiganensis
Clavibacter michiganensis subsp. michiganensise0pathogene2 - Second interactor
- Aureobasidium pullulans
Aureobasidium pullulanse1biocontrol_agente2 - Outcome
- growth of Clavibacter michiganensis subsp. michiganensise0
- Direction
- inhibite0
- Setting
- in vitroe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The two strains were able to inhibit, in vitro, the growth of Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”
e1“Aureobasidium pullulans and Pantoea agglomerans”
e2“biocontrol of bacterial canker and growth promotion of tomato (Lycopersicon esculentum cv. Campbell 33)”
Claim · model-written summary
Pantoea agglomerans inhibited Clavibacter growth in vitro.
- Taxon
- tomatoSolanum lycopersicume2
- Treatment
- Pantoea agglomeranse1
- Interactor
- Clavibacter michiganensis subsp. michiganensisClavibacter michiganensis subsp. michiganensise0pathogene2
- Second interactor
- Pantoea agglomerans
Pantoea agglomeranse1biocontrol_agente2 - Outcome
- growth of Clavibacter michiganensis subsp. michiganensise0
- Direction
- inhibite0
- Setting
- in vitroe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The two strains were able to inhibit, in vitro, the growth of Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”
e1“Aureobasidium pullulans and Pantoea agglomerans”
e2“biocontrol of bacterial canker and growth promotion of tomato (Lycopersicon esculentum cv. Campbell 33)”
Claim · model-written summary
Aureobasidium pullulans treatment reduced tomato bacterial canker severity relative to control.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- A. pullulanse0
- Interactor
- Clavibacter michiganensis subsp. michiganensisClavibacter michiganensis subsp. michiganensise1pathogen
- Second interactor
- A. pullulansAureobasidium pullulanse0biocontrol_agente1
- Outcome
- bacterial canker incidencee0
- Direction
- less severee0
- Value
- 16%e0
- Qualifier
- 83%e0
- Comparator
- positive controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bacterial canker incidence in tomato plants treated with A. pullulans and P. agglomerans separately or in mixture was significantly less severe (16%) compared to the positive control (83%)”
e1“Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”
Claim · model-written summary
Pantoea agglomerans treatment reduced tomato bacterial canker severity relative to control.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- P. agglomeranse0
- Interactor
- Clavibacter michiganensis subsp. michiganensisClavibacter michiganensis subsp. michiganensise1pathogen
- Second interactor
- P. agglomeransPantoea agglomeranse0biocontrol_agente1
- Outcome
- bacterial canker incidencee0
- Direction
- less severee0
- Value
- 16%e0
- Qualifier
- 83%e0
- Comparator
- positive controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bacterial canker incidence in tomato plants treated with A. pullulans and P. agglomerans separately or in mixture was significantly less severe (16%) compared to the positive control (83%)”
e1“Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”
Claim · model-written summary
The mixture reduced tomato bacterial canker severity relative to control.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- A. pullulans and P. agglomerans separately or in mixturee0
- Interactor
- Clavibacter michiganensis subsp. michiganensisClavibacter michiganensis subsp. michiganensise1pathogen
- Second interactor
- A. pullulans and P. agglomeransPantoea agglomeransAureobasidium pullulanse0biocontrol_agente1
- Outcome
- bacterial canker incidencee0
- Direction
- less severee0
- Value
- 16%e0
- Qualifier
- 83%e0
- Comparator
- positive controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bacterial canker incidence in tomato plants treated with A. pullulans and P. agglomerans separately or in mixture was significantly less severe (16%) compared to the positive control (83%)”
e1“Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”
Claim · model-written summary
Treatment frequency and strain choice appear important for significant canker control.
- Taxon
- Lycopersicon esculentumSolanum lycopersicumt0
- Outcome
- significant resultse0
- Qualifier
- intervals of 15 or 30 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment frequency (intervals of 15 or 30 days) and the choice of strains to inoculate (separated or combined strains) appear to be essential for obtaining significant results”
t0“Lycopersicon esculentum L. cv. Campbell 33”
Claim · model-written summary
Fifteen-day treatment particularly reduced bacterial canker incidence.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- A. pullulanse0
- Interactor
- Clavibacter michiganensis subsp. michiganensisClavibacter michiganensis subsp. michiganensise1pathogen
- Second interactor
- A. pullulansAureobasidium pullulanse0biocontrol_agente1
- Outcome
- incidence of bacterial cankere0
- Direction
- reducede0
- Qualifier
- frequency of fifteen dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both A. pullulans and P. agglomerans strains highly reduced incidence of bacterial canker particularly when tomato plants were treated at a frequency of fifteen days”
e1“Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”
Claim · model-written summary
Fifteen-day Pantoea treatment particularly reduced bacterial canker incidence.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- P. agglomeranse0
- Interactor
- Clavibacter michiganensis subsp. michiganensisClavibacter michiganensis subsp. michiganensise1pathogen
- Second interactor
- P. agglomeransPantoea agglomeranse0biocontrol_agente1
- Outcome
- incidence of bacterial cankere0
- Direction
- reducede0
- Qualifier
- frequency of fifteen dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both A. pullulans and P. agglomerans strains highly reduced incidence of bacterial canker particularly when tomato plants were treated at a frequency of fifteen days”
e1“Clavibacter michiganensis subsp. michiganensis the causative agent of tomato canker”