Abstract
In the laboratory, a dual culture primary screen using wheat straw agar (WSA) showed that 64 out of 152 selected fungi inhibited the in vitro growth of Pseudocercosporella herpotrichoides by 50% or more. An ‘asymmetric’ species of Penicillium isolated from wheat stubble was the most effective, inhibiting growth of the pathogen by 70%. The results were similar using both W‐type and R‐type isolates of P. herpotrichoides. Other fungi showing in vitro antagonism included: Trichoderma viride, T. koningii, T. harzianum, Chaetomium globosum, Acremonium persicum, Botryotrichum piluliferum, Sordaria alcina, Microdochium bolleyi, Rhizoctonia cerealis and Laetisaria arvalis. In a glasshouse secondary screen, the 64 fungi showing antagonism in vitro were assessed further for their ability to reduce eyespot disease symptoms of wheat seedlings using a straw collar co‐inoculation technique. Of them, 13 fungi reduced disease symptoms significantly: a Chaetomium sp. from stubble, two Fusarium spp., a F. culmorum isolate T. viride, T. koningii, T. harzianum, B. piluliferum, M. bolleyi, L. arvalis, the ‘asymmetric’ Penicillium sp. and two unidentified fungi from stubble. A F. culmorum isolate was the most effective antagonist on average, giving disease reductions of 54 and 58% for the W‐type and R‐type of P. herpotrichoides respectively. M. bolleyi, T. harzianum and the F. culmorum isolate were the most effective antagonists of the W‐type, all three reducing disease by 54%. T. viride was most effective against the R‐type, reducing disease by 64%.
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Claims 9
Claim · model-written summary
Sixty-four of 152 fungi inhibited in vitro growth of the eyespot pathogen by at least 50%.
- Taxon
- wheat
Triticum aestivumt0 - Interactor
- Pseudocercosporella herpotrichoides
Oculimacula yallundaee0pathogen - Outcome
- in vitro growth of Pseudocercosporella herpotrichoidese0
- Direction
- inhibitede0
- Value
- 64 out of 152e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“64 out of 152 selected fungi inhibited the in vitro growth of Pseudocercosporella herpotrichoides by 50% or more.”
t0“wheat seedlings”
Claim · model-written summary
An asymmetric Penicillium isolate inhibited pathogen growth by 70%.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- pathogene0pathogen
- Second interactor
- Penicillium
Penicilliume0biocontrol_agent - Outcome
- growth of the pathogene0
- Direction
- inhibitinge0
- Value
- 70%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An ‘asymmetric’ species of Penicillium isolated from wheat stubble was the most effective, inhibiting growth of the pathogen by 70%.”
t0“wheat seedlings”
Claim · model-written summary
The in vitro screen gave similar results for W-type and R-type pathogen isolates.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- P. herpotrichoidesOculimacula yallundaee0pathogen
- Outcome
- results were similare0
- Direction
- similare0
- Comparator
- W‐type and R‐type isolatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results were similar using both W‐type and R‐type isolates of P. herpotrichoides.”
t0“wheat seedlings”
Claim · model-written summary
Thirteen fungi significantly reduced eyespot symptoms of wheat seedlings.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 13 fungie0
- Outcome
- disease symptomse0
- Direction
- reducede0
- Value
- 13 fungie0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Of them, 13 fungi reduced disease symptoms significantly:”
t0“wheat seedlings”
Claim · model-written summary
The Fusarium culmorum isolate reduced W-type eyespot disease by 54%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- F. culmorum isolatee0
- Interactor
- P. herpotrichoidesOculimacula yallundaee0pathogen
- Second interactor
- F. culmorum
.jpg?width=60)
Fusarium culmorume0biocontrol_agent - Outcome
- disease reductionse0
- Direction
- reductionse0
- Value
- 54e0
- Qualifier
- W‐typee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“A F. culmorum isolate was the most effective antagonist on average, giving disease reductions of 54 and 58% for the W‐type and R‐type of P. herpotrichoides respectively.”
t0“wheat seedlings”
Claim · model-written summary
The Fusarium culmorum isolate reduced R-type eyespot disease by 58%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- F. culmorum isolatee0
- Interactor
- P. herpotrichoidesOculimacula yallundaee0pathogen
- Second interactor
- F. culmorumFusarium culmorume0biocontrol_agent
- Outcome
- disease reductionse0
- Direction
- reductionse0
- Value
- 58%e0
- Qualifier
- R‐typee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A F. culmorum isolate was the most effective antagonist on average, giving disease reductions of 54 and 58% for the W‐type and R‐type of P. herpotrichoides respectively.”
t0“wheat seedlings”
Claim · model-written summary
Microdochium bolleyi reduced W-type disease by 54%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- M. bolleyie0
- Interactor
- W‐typee0pathogen
- Second interactor
- M. bolleyiMicrodochium bolleyie0biocontrol_agent
- Outcome
- diseasee0
- Direction
- reducinge0
- Value
- 54%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“M. bolleyi, T. harzianum and the F. culmorum isolate were the most effective antagonists of the W‐type, all three reducing disease by 54%.”
t0“wheat seedlings”
Claim · model-written summary
Trichoderma harzianum reduced W-type disease by 54%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- T. harzianume0
- Interactor
- W‐typee0pathogen
- Second interactor
- T. harzianum
Trichoderma harzianume0biocontrol_agent - Outcome
- diseasee0
- Direction
- reducinge0
- Value
- 54%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“M. bolleyi, T. harzianum and the F. culmorum isolate were the most effective antagonists of the W‐type, all three reducing disease by 54%.”
t0“wheat seedlings”
Claim · model-written summary
Trichoderma viride reduced R-type disease by 64%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- T. viridee0
- Interactor
- R‐typee0pathogen
- Second interactor
- T. viride
Trichoderma viridee0biocontrol_agent - Outcome
- diseasee0
- Direction
- reducinge0
- Value
- 64%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. viride was most effective against the R‐type, reducing disease by 64%.”
t0“wheat seedlings”
The same questions in other papers
Trichoderma viride · disease · Triticum aestivum (wheat)Positive and negative results
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- negative
- positive
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1 paper more in this group
See all 5 papers →Trichoderma harzianum · disease · Triticum aestivum (wheat)Results agree
13 papers in the same direction as this paper
- positive
- positive
- positive
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.