Abstract
Summary Bacteria and yeasts, selected by an attachment assay for their ability to adhere to Botrytis cinerea hyphae or conidia, were evaluated for biocontrol potential against B. cinerea on excised tomato stems. Eight of the 12 bacteria and seven of the eight yeast isolates conferred 90% to 100% biocontrol activity when antagonist populations were applied at three to 80 times the pathogen inoculum density. Biocontrol was maintained at similar levels when biocontrol agent (BCA) application was delayed up to 48 h after pathogen challenge. Scanning electron microscopy showed extensive colonisation of B. cinerea mycelium or conidia by many of these isolates and also evidence of pathogen degradation. The biocontrol efficacy and potential for the assay are discussed with respect to cell‐to‐cell adhesion as a vehicle to deliver antagonistic mechanisms to highly specific pathogen sites.
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Claims 5
Claim · model-written summary
Eight of 12 bacterial isolates gave 90% to 100% biocontrol activity on tomato stems.
- Taxon
- tomato
Solanum lycopersicume1 - Treatment
- bacteriae0
- Interactor
- B. cinerea
Botrytis cinereae1pathogen - Outcome
- biocontrol activitye0
- Direction
- conferrede0
- Value
- 90% to 100%e0
- Qualifier
- three to 80 times the pathogen inoculum densitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Eight of the 12 bacteria and seven of the eight yeast isolates conferred 90% to 100% biocontrol activity when antagonist populations were applied at three to 80 times the pathogen inoculum density.”
e1“B. cinerea on excised tomato stems”
Claim · model-written summary
Seven of eight yeast isolates gave 90% to 100% biocontrol activity on tomato stems.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- yeast isolatese0
- Interactor
- B. cinereaBotrytis cinereae1pathogen
- Second interactor
- yeast isolatese0biocontrol_agent
- Outcome
- biocontrol activitye0
- Direction
- conferrede0
- Value
- 90% to 100%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Eight of the 12 bacteria and seven of the eight yeast isolates conferred 90% to 100% biocontrol activity when antagonist populations were applied at three to 80 times the pathogen inoculum density.”
e1“B. cinerea on excised tomato stems”
Claim · model-written summary
Biocontrol remained similar when antagonist application was delayed as much as 48 h.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- BCA) application was delayed up to 48 he0
- Interactor
- B. cinereaBotrytis cinereae1pathogen
- Outcome
- Biocontrole0
- Direction
- maintained at similar levelse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Biocontrol was maintained at similar levels when biocontrol agent (BCA) application was delayed up to 48 h after pathogen challenge.”
e1“B. cinerea on excised tomato stems”
Claim · model-written summary
Many isolates extensively colonized Botrytis mycelium or conidia.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- B. cinereaBotrytis cinereae0pathogen
- Outcome
- colonisation of B. cinerea mycelium or conidiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“extensive colonisation of B. cinerea mycelium or conidia by many of these isolates”
e1“B. cinerea on excised tomato stems”
Claim · model-written summary
Scanning electron microscopy showed evidence of pathogen degradation.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- B. cinereaBotrytis cinereae1pathogen
- Outcome
- pathogen degradatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“evidence of pathogen degradation”
e1“B. cinerea on excised tomato stems”
The same questions in other papers
biocontrol · Botrytis cinerea · Solanum lycopersicum (tomato)Positive and negative results
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- negative
- positive
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See all 7 papers →inoculation · Botrytis cinerea · Solanum lycopersicum (tomato)Positive and negative results
20 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- no effect
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See all 25 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.