Abstract
ABSTRACT Evolution has been reported for the reduction in Phakopsora pachyrhizi sensitivity to the mixtures of the three site-specific mechanisms of action (DMIs, QoIs and SDHIs) used in its control. The aim of this study was to quantify the current contribution of QoIs, alone or in mixture with triazoles, in the control of Asian soybean rust. In an experiment carried out in the field, the efficacy of quinone outside inhibitors (QoIs), or strobilurins, was compared for Asian soybean rust control. The isolated effects of four doses of azoxystrobin, picoxystrobin, pyraclostrobin and trifloxystrobin were evaluated, as well as of four applications during the crop cycle. Control by commercial mixtures of these QoIs with triazoles was also compared. Severity was evaluated in four phenological stages, and control was calculated based on final severity data, area under rust progress curve, defoliation, one-thousand-grain mass, grain yield and damage caused by the disease. The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively. Such efficacy is not enough to cover the fungicide application cost, although there was a positive effect of treatments on disease control and grain yield.
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Claims 11
Claim · model-written summary
azoxystrobin had lowest mean rust control efficacy by final severity, 15.8.
- Taxon
- soybean
Glycine maxt0 - Treatment
- azoxystrobine0
- Outcome
- rust control efficacye0
- Direction
- loweste0
- Value
- 15.8e0
- Qualifier
- final severitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
azoxystrobin had lowest mean rust control efficacy by AUDPC, 11.19%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- azoxystrobine0
- Outcome
- rust control efficacye0
- Direction
- loweste0
- Value
- 11.19%e0
- Qualifier
- AUDPCe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
pyraclostrobin had lowest mean rust control efficacy by final severity, 15.4.
- Taxon
- soybeanGlycine maxt0
- Treatment
- pyraclostrobine0
- Outcome
- rust control efficacye0
- Direction
- loweste0
- Value
- 15.4e0
- Qualifier
- final severitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
pyraclostrobin had lowest mean rust control efficacy by AUDPC, 16.76%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- pyraclostrobine0
- Outcome
- rust control efficacye0
- Direction
- loweste0
- Value
- 16.76%e0
- Qualifier
- AUDPCe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
picoxystrobin had highest mean rust control efficacy by final severity, 54.1.
- Taxon
- soybeanGlycine maxt0
- Treatment
- picoxystrobine0
- Outcome
- rust control efficacye0
- Direction
- higheste0
- Value
- 54.1e0
- Qualifier
- final severitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
picoxystrobin had highest mean rust control efficacy by AUDPC, 54.35 %.
- Taxon
- soybeanGlycine maxt0
- Treatment
- picoxystrobine0
- Outcome
- rust control efficacye0
- Direction
- higheste0
- Value
- 54.35 %e0
- Qualifier
- AUDPCe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
trifloxystrobin had highest mean rust control efficacy by final severity, 69.7.
- Taxon
- soybeanGlycine maxt0
- Treatment
- trifloxystrobine0
- Outcome
- rust control efficacye0
- Direction
- higheste0
- Value
- 69.7e0
- Qualifier
- final severitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
trifloxystrobin had highest mean rust control efficacy by AUDPC, 64.46%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- trifloxystrobine0
- Outcome
- rust control efficacye0
- Direction
- higheste0
- Value
- 64.46%e0
- Qualifier
- AUDPCe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest mean of rust control efficacy resulted from applications of azoxystrobin (15.8 and 11.19%) and pyraclostrobin (15.4 and 16.76%) and the highest mean was found for picoxystrobin (54.1 and 54.35 %) and trifloxystrobin (69.7 and 64.46%), calculated based on final severity and AUDPC, respectively.”
t0“soybean”
Claim · model-written summary
Fungicide treatments had a positive effect on disease control.
- Taxon
- soybeanGlycine maxt0
- Treatment
- treatmentse0
- Outcome
- disease controle0
- Direction
- positive effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Such efficacy is not enough to cover the fungicide application cost, although there was a positive effect of treatments on disease control and grain yield.”
t0“soybean”
Claim · model-written summary
Fungicide treatments had a positive effect on grain yield.
- Taxon
- soybeanGlycine maxt0
- Treatment
- treatmentse0
- Outcome
- grain yielde0
- Direction
- positive effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Such efficacy is not enough to cover the fungicide application cost, although there was a positive effect of treatments on disease control and grain yield.”
t0“soybean”
Claim · model-written summary
The authors judged rust control insufficient to cover application costs.
- Taxon
- soybeanGlycine maxt0
- Outcome
- not enough to cover the fungicide application coste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Such efficacy is not enough to cover the fungicide application cost, although there was a positive effect of treatments on disease control and grain yield.”
t0“soybean”
The same questions in other papers
azoxystrobin · disease · Glycine max (soybean)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
pyraclostrobin · disease · Glycine max (soybean)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
3 papers more in this group
See all 7 papers →trifloxystrobin · disease · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- positive
picoxystrobin · disease · Glycine max (soybean)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.