Abstract
BACKGROUND: Black-foot and Petri diseases are the main fungal diseases associated with young grapevine decline. Two field experiments were established to evaluate the preventive effect of two potential biocontrol agents (BCAs), that is Streptomyces sp. E1 + R4 and Pythium oligandrum Po37, and three BCA-commercial products containing Trichoderma atroviride SC1, Trichoderma koningii TK7 and Pseudomonas fluorescens + Bacillus atrophaeus on fungal infection in grafted plants and plant growth parameters. RESULTS: The effectiveness of some BCA in reducing the incidence and severity of both diseases was dependent on the plant part analyzed and the plant age. No single BCA application was able to control both diseases. Streptomyces sp. E1 + R4 were able to reduce significantly the infection of the most prevalent black-foot disease fungi while P. oligandrum Po37 and Trichoderma spp. were able to reduce significantly Phaeomoniella chlamydospora and Phaeoacremonium minimum (Petri disease) infection. BCA treatments had no effect on the shoot weight, and root weight was significantly lower in all BCA treatments with respect to the control. CONCLUSIONS: The combination of the disease-suppressive activity of two or more beneficial microbes in a biocontrol preparation is required to prevent infection by black-foot and Petri disease fungi in vineyards.
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Claims 10
Claim · model-written summary
Streptomyces sp. E1 + R4 significantly reduced infection by the most prevalent black-foot disease fungi in field experiments.
- Treatment
- Streptomyces sp. E1 + R4e2
- Interactor
- black-foot disease fungie2pathogen
- Second interactor
- Streptomyces sp. E1 + R4e2biocontrol_agent
- Outcome
- infectione2
- Direction
- reducee2
- Setting
- fielde1
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e1“Two field experiments were established to evaluate the preventive effect of two potential biocontrol agents (BCAs), that is Streptomyces sp. E1 + R4 and Pythium oligandrum Po37”
e2“Streptomyces sp. E1 + R4 were able to reduce significantly the infection of the most prevalent black-foot disease fungi”
Claim · model-written summary
Pythium oligandrum Po37 significantly reduced infection by Phaeomoniella chlamydospora.
- Treatment
- P. oligandrum Po37e3
- Interactor
- Phaeomoniella chlamydosporaPhaeomoniella chlamydosporae3pathogen
- Second interactor
- P. oligandrum Po37
Pythium oligandrume3biocontrol_agent - Outcome
- infectione3
- Direction
- reducee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e3“P. oligandrum Po37 and Trichoderma spp. were able to reduce significantly Phaeomoniella chlamydospora and Phaeoacremonium minimum (Petri disease) infection”
Claim · model-written summary
Pythium oligandrum Po37 significantly reduced infection by Phaeoacremonium minimum (Petri disease).
- Treatment
- P. oligandrum Po37e3
- Interactor
- Phaeoacremonium minimumPhaeoacremonium minimume3pathogen
- Second interactor
- P. oligandrum Po37Pythium oligandrume3biocontrol_agent
- Outcome
- infectione3
- Direction
- reducee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e3“P. oligandrum Po37 and Trichoderma spp. were able to reduce significantly Phaeomoniella chlamydospora and Phaeoacremonium minimum (Petri disease) infection”
Claim · model-written summary
Trichoderma spp. significantly reduced infection by Phaeomoniella chlamydospora.
- Treatment
- Trichoderma spp.e3
- Interactor
- Phaeomoniella chlamydosporaPhaeomoniella chlamydosporae3pathogen
- Second interactor
- Trichoderma spp.
Trichodermae3biocontrol_agent - Outcome
- infectione3
- Direction
- reducee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e3“P. oligandrum Po37 and Trichoderma spp. were able to reduce significantly Phaeomoniella chlamydospora and Phaeoacremonium minimum (Petri disease) infection”
Claim · model-written summary
Trichoderma spp. significantly reduced infection by Phaeoacremonium minimum (Petri disease).
- Treatment
- Trichoderma spp.e3
- Interactor
- Phaeoacremonium minimumPhaeoacremonium minimume3pathogen
- Second interactor
- Trichoderma spp.Trichodermae3biocontrol_agent
- Outcome
- infectione3
- Direction
- reducee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e3“P. oligandrum Po37 and Trichoderma spp. were able to reduce significantly Phaeomoniella chlamydospora and Phaeoacremonium minimum (Petri disease) infection”
Claim · model-written summary
BCA treatments had no effect on grapevine shoot weight.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e4“BCA treatments had no effect on the shoot weight”
Claim · model-written summary
Root weight was significantly lower in all BCA treatments than in the control.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e5“root weight was significantly lower in all BCA treatments with respect to the control”
Claim · model-written summary
The effectiveness of some BCA in reducing disease incidence and severity depended on the plant part analyzed and the plant age.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e6“The effectiveness of some BCA in reducing the incidence and severity of both diseases was dependent on the plant part analyzed and the plant age”
Claim · model-written summary
No single BCA application was able to control both black-foot and Petri diseases in grapevine.
- Outcome
- control both diseasese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e7“No single BCA application was able to control both diseases”
Claim · model-written summary
A biocontrol preparation needs a combination of two or more disease-suppressive beneficial microbes to prevent black-foot and Petri disease fungal infection in vineyards.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“associated with young grapevine decline”
e6“The combination of the disease-suppressive activity of two or more beneficial microbes in a biocontrol preparation is required to prevent infection by black-foot and Petri disease fungi in vineyards”
The same questions in other papers
Streptomyces · disease · VitisResults agree
1 paper in the same direction as this paper
- positive
Pythium oligandrum · Phaeomoniella chlamydospora · VitisResults agree
1 paper in the same direction as this paper
- positive
Trichoderma · Phaeomoniella chlamydospora · VitisResults agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 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.