Abstract
Early blight is an economically important foliar disease of potato in the United States. Because of the lack of resistant potato cultivars, fungicides are applied extensively to obtain adequate control. To manage early blight, standard protectant fungicides and single-site mode-of-action "specialty" fungicides are applied either alone or incorporated into a fungicide rotation program. Control efficacy at two crop growth stages (tuber initiation/early bulking and late bulking/tuber maturation) and the overall tuber yield response to standard and specialty fungicides were assessed using network metaanalytic models. Control efficacy of fungicides ranged from moderate to very high (>30 to 75%) compared with the nontreated control. For both potato growth stages, specialty fungicides performed better than standard protectant fungicides. Furthermore, control efficacy of both fungicides was higher (3 to 9%) at late bulking and tuber maturation when compared with early bulking crop growth stage. Specialty fungicide programs increased overall tuber yields by 4 and 9% over standard fungicides and nontreated control, respectively. Based on the results, more precise fungicide use recommendations and fungicide programs can be developed for early blight management.
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Claims 5
Claim · model-written summary
Fungicides controlled potato early blight by more than 30 to 75% against untreated control.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- fungicidese0
- Outcome
- Control efficacye0
- Value
- >30 to 75%e0
- Comparator
- nontreated controle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Control efficacy of fungicides ranged from moderate to very high (>30 to 75%) compared with the nontreated control”
t0“Potato Early Blight Management”
Claim · model-written summary
Specialty fungicides controlled potato early blight better than standard protectant fungicides at both growth stages.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- specialty fungicidese0
- Outcome
- performed bettere0
- Direction
- bettere0
- Qualifier
- both potato growth stagese0
- Comparator
- standard protectant fungicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For both potato growth stages, specialty fungicides performed better than standard protectant fungicides”
Claim · model-written summary
Fungicide control efficacy was 3 to 9% higher during late bulking and tuber maturation than early bulking.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- late bulking and tuber maturatione0
- Treatment
- both fungicidese0
- Outcome
- control efficacye0
- Direction
- highere0
- Value
- 3 to 9%e0
- Comparator
- early bulking crop growth stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“control efficacy of both fungicides was higher (3 to 9%) at late bulking and tuber maturation when compared with early bulking crop growth stage”
t0“Potato Early Blight Management”
Claim · model-written summary
Specialty fungicide programs increased potato tuber yields by 4% over standard fungicides.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Specialty fungicide programse0
- Outcome
- overall tuber yieldse0
- Direction
- increasede0
- Value
- 4e0
- Comparator
- standard fungicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Specialty fungicide programs increased overall tuber yields by 4 and 9% over standard fungicides and nontreated control, respectively”
t0“Potato Early Blight Management”
Claim · model-written summary
Specialty fungicide programs increased potato tuber yields by 9% over untreated control.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Specialty fungicide programse0
- Outcome
- overall tuber yieldse0
- Direction
- increasede0
- Value
- 9%e0
- Comparator
- nontreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Specialty fungicide programs increased overall tuber yields by 4 and 9% over standard fungicides and nontreated control, respectively”
t0“Potato Early Blight Management”
The same questions in other papers
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- no effect
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60 papers in the same direction as this paper · 2 in the opposite direction · 2 reporting no difference from an alternative
- negative
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See all 65 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.