Abstract
ABSTRACT Damage to wheat crop is associated with leaf rust (Puccinia triticina) and powdery mildew (Blumeria graminis f. sp. tritici). The present study aimed to evaluate the effect of potassium phosphite and acibenzolar-S-methyl alone or associated with the fungicide epoxiconazole + pyraclostrobin on powdery mildew and leaf rust control, as well as on grain yield. The experiments were designed as randomized blocks with four replicates consisting of plots with 17 planting rows spaced at 0.17 m, with dimensions of 2.89 x 5.0 m each. Severity of powdery mildew and leaf rust was assessed in ten flag leaves and ten whole plants all over the crop season; yield was also evaluated. Severity data were used to calculate the area under the disease progress curve. There was no effect of phosphite applied alone or associated with the fungicide epoxiconazole + pyraclostrobin at different times on mildew. Acibenzolar-S-methyl controlled, on average, 70% powdery mildew. Phosphites applied alone and/or associated with the fungicide had an effect on leaf rust, reducing the severity by 59 and 62%, compared to control. Applications of phosphites alone did not affect the yield components.
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Claims 5
Claim · model-written summary
Phosphite alone or with fungicide had no effect on wheat powdery mildew.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- phosphite applied alone or associated with the fungicide epoxiconazole + pyraclostrobine0
- Outcome
- mildewe0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no effect of phosphite applied alone or associated with the fungicide epoxiconazole + pyraclostrobin at different times on mildew”
t0“biotrophic pathogens of wheat”
Claim · model-written summary
Acibenzolar-S-methyl controlled an average 70% of wheat powdery mildew.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Acibenzolar-S-methyle0
- Outcome
- powdery mildewe0
- Direction
- controllede0
- Value
- 70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acibenzolar-S-methyl controlled, on average, 70% powdery mildew”
t0“biotrophic pathogens of wheat”
Claim · model-written summary
Phosphites alone reduced leaf rust severity 59% compared with control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Phosphites applied alonee0
- Outcome
- leaf ruste0
- Direction
- reducinge0
- Value
- 59e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphites applied alone and/or associated with the fungicide had an effect on leaf rust, reducing the severity by 59 and 62%, compared to control”
t0“biotrophic pathogens of wheat”
Claim · model-written summary
Phosphites with fungicide reduced leaf rust severity 62% compared with control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Phosphites applied alone and/or associated with the fungicidee0
- Outcome
- leaf ruste0
- Direction
- reducinge0
- Value
- 62%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphites applied alone and/or associated with the fungicide had an effect on leaf rust, reducing the severity by 59 and 62%, compared to control”
t0“biotrophic pathogens of wheat”
Claim · model-written summary
Phosphites alone did not affect wheat yield components.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- phosphites alonee0
- Outcome
- yield componentse0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applications of phosphites alone did not affect the yield components”
t0“biotrophic pathogens of wheat”
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