Abstract
The biocontrol effect of C lonostachys rosea (strains 016 and 1457) on F usarium graminearum , F . avenaceum , F . verticillioides , F . langsethiae , F . poae , F . sporotrichioides , F . culmorum and M icrodochium nivale was evaluated on naturally infected wheat stalks exposed to field conditions for 180 days. Experiments were conducted at two locations in A rgentina, M arcos J uarez and R ío C uarto. Antagonists were applied as conidial suspensions at two inoculum levels. Pathogens were quantified by T aq M an real‐time q PCR . During the first year at M arcos J uarez, biocontrol was observed in one antagonist treatment for F . graminearum after 90 days (73% reduction) but after 180 days, the pathogen decreased to undetectable levels. During the second year, biocontrol was observed in three antagonist treatments for F . graminearum and F . avenaceum (68·3% and 98·9% DNA reduction, respectively, after 90 days). Fusarium verticillioides was not controlled at M arcos J uarez. At R ío C uarto, biocontrol effects were observed in several treatments at different intervals, with a mean DNA reduction of 88·7% for F . graminearum and F . avenaceum , and 100% reduction for F . verticillioides in two treatments after 180 days. Populations of F . avenaceum and F . verticillioides were stable; meanwhile, F . graminearum population levels varied during the first 90 days, and low levels were observed after 180 days. The other pathogens were not detected. The study showed that wheat stalks were important reservoirs for F . avenaceum and F . verticillioides populations but less favourable for F . graminearum survival. Clonostachys rosea (strain 1457) showed potential to reduce the F usarium spp. on wheat stalks.
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Claims 16
Claim · model-written summary
One antagonist treatment reduced F. graminearum by 73% after 90 days in the first year.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- antagonist treatmente0
- Interactor
- F . graminearum
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=60)
Fusarium graminearume0pathogen - Outcome
- F . graminearume0
- Direction
- reductione0
- Value
- 73%e0
- Setting
- M arcos J uareze0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=500)
Verbatim
e0“During the first year at M arcos J uarez, biocontrol was observed in one antagonist treatment for F . graminearum after 90 days (73% reduction)”
t0“wheat stubble”
Claim · model-written summary
The pathogen reached undetectable levels after 180 days.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- the pathogene0
- Direction
- decreasede0
- Qualifier
- undetectable levelse0
Not reportedInteractorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after 180 days, the pathogen decreased to undetectable levels”
t0“wheat stubble”
Claim · model-written summary
Three antagonist treatments reduced F. graminearum DNA by 68·3% after 90 days in year two.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- antagonist treatmentse0
- Interactor
- F . graminearumFusarium graminearume0pathogen
- Outcome
- F . graminearume0
- Direction
- reductione0
- Value
- 68·3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the second year, biocontrol was observed in three antagonist treatments for F . graminearum and F . avenaceum (68·3% and 98·9% DNA reduction, respectively, after 90 days)”
t0“wheat stubble”
Claim · model-written summary
Three antagonist treatments reduced F. avenaceum DNA by 98·9% after 90 days in year two.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- antagonist treatmentse0
- Interactor
- F . avenaceum
Fusarium avenaceume0pathogen - Outcome
- F . avenaceume0
- Direction
- reductione0
- Value
- 98·9%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the second year, biocontrol was observed in three antagonist treatments for F . graminearum and F . avenaceum (68·3% and 98·9% DNA reduction, respectively, after 90 days)”
t0“wheat stubble”
Claim · model-written summary
Fusarium verticillioides was not controlled at Marcos Juarez.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- Fusarium verticillioides
Fusarium verticillioidese0pathogen - Outcome
- Fusarium verticillioidese0
- Direction
- not controllede0
- Setting
- M arcos J uareze0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fusarium verticillioides was not controlled at M arcos J uarez”
t0“wheat stubble”
Claim · model-written summary
Biocontrol reduced F. graminearum DNA by a mean 88·7% at Rio Cuarto.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- several treatmentse0
- Interactor
- F . graminearumFusarium graminearume0pathogen
- Outcome
- F . graminearume0
- Direction
- reductione0
- Value
- 88·7%e0
- Setting
- R ío C uartoe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At R ío C uarto, biocontrol effects were observed in several treatments at different intervals, with a mean DNA reduction of 88·7% for F . graminearum and F . avenaceum”
t0“wheat stubble”
Claim · model-written summary
Biocontrol reduced F. avenaceum DNA by a mean 88·7% at Rio Cuarto.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- several treatmentse0
- Interactor
- F . avenaceumFusarium avenaceume0pathogen
- Outcome
- F . avenaceume0
- Direction
- reductione0
- Value
- 88·7%e0
- Setting
- R ío C uartoe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At R ío C uarto, biocontrol effects were observed in several treatments at different intervals, with a mean DNA reduction of 88·7% for F . graminearum and F . avenaceum”
t0“wheat stubble”
Claim · model-written summary
Two treatments reduced F. verticillioides DNA by 100% after 180 days.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- two treatmentse0
- Interactor
- F . verticillioidesFusarium verticillioidese0pathogen
- Outcome
- F . verticillioidese0
- Direction
- reductione0
- Value
- 100%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“100% reduction for F . verticillioides in two treatments after 180 days”
t0“wheat stubble”
Claim · model-written summary
F. avenaceum populations were stable.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- F . avenaceumFusarium avenaceume0pathogen
- Outcome
- Populations of F . avenaceume0
- Direction
- stablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Populations of F . avenaceum and F . verticillioides were stable”
t0“wheat stubble”
Claim · model-written summary
F. verticillioides populations were stable.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- F . verticillioidesFusarium verticillioidese0pathogen
- Outcome
- F . verticillioidese0
- Direction
- stablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Populations of F . avenaceum and F . verticillioides were stable”
t0“wheat stubble”
Claim · model-written summary
F. graminearum populations varied during 90 days and were low by 180 days.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- F . graminearumFusarium graminearume0pathogen
- Outcome
- F . graminearum population levelse0
- Direction
- low levelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“F . graminearum population levels varied during the first 90 days, and low levels were observed after 180 days”
t0“wheat stubble”
Claim · model-written summary
Other pathogens were not detected.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- other pathogens were not detectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The other pathogens were not detected”
t0“wheat stubble”
Claim · model-written summary
Wheat stalks were important reservoirs for F. avenaceum.
- Taxon
- wheatTriticum aestivume0
- Interactor
- F . avenaceumFusarium avenaceume0pathogen
- Outcome
- important reservoirs for F . avenaceume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat stalks were important reservoirs for F . avenaceum and F . verticillioides populations”
Claim · model-written summary
Wheat stalks were important reservoirs for F. verticillioides.
- Taxon
- wheatTriticum aestivume0
- Interactor
- F . verticillioidesFusarium verticillioidese0pathogen
- Outcome
- important reservoirs for F . avenaceum and F . verticillioides populationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat stalks were important reservoirs for F . avenaceum and F . verticillioides populations”
Claim · model-written summary
Wheat stalks were less favourable for F. graminearum survival.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- F . graminearumFusarium graminearume0pathogen
- Outcome
- F . graminearum survivale0
- Direction
- less favourablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but less favourable for F . graminearum survival”
t0“wheat stubble”
Claim · model-written summary
C. rosea strain 1457 showed potential to reduce Fusarium on wheat stalks.
- Taxon
- wheatTriticum aestivume0
- Interactor
- F usarium spp.e0pathogen
- Second interactor
- Clonostachys rosea
Clonostachys roseae0biocontrol_agent - Outcome
- F usarium spp. on wheat stalkse0
- Direction
- reducee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clonostachys rosea (strain 1457) showed potential to reduce the F usarium spp. on wheat stalks”
The same questions in other papers
biocontrol · Fusarium graminearum · Triticum aestivum (wheat)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.