Abstract
Management of Fusarium graminearum-associated mycotoxins in wheat grain has been extensively evaluated, but little is known about management of mycotoxins in straw. Two research trials were conducted at four locations from 2011 to 2014. The objective of the first trial was to determine the efficacy of fungicides, and the objective of the second trial was to evaluate the use of integrated disease management strategies, for the control of Fusarium head blight (FHB) and reducing the concentration of the Fusarium mycotoxins deoxynivalenol, 3-acetyl-deoxynivalenol, and 15-acetyl-deoxynivalenol in straw. In the first trial, it was determined that demethylation inhibitor (DMI) fungicides did not offer significant (P ≤ 0.05) reductions of mycotoxin concentrations in the straw compared with a no-fungicide control treatment, but significant (P ≤ 0.05) reductions in mycotoxin concentration were observed in the control when compared with treatments with the application of quinone outside inhibitor (QoI)-containing fungicides. In the second trial, mycotoxin concentrations in the straw were significantly (P ≤ 0.05) reduced in the moderately resistant cultivar compared with the susceptible cultivar, but were not affected by the use of a fungicide. The practices typically used to manage Fusarium mycotoxins in wheat grain, especially the selection of resistant cultivars and not using a QoI fungicide, may be an effective means to reduce mycotoxin concentrations in the straw.
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Claims 5
Claim · model-written summary
DMI fungicides did not significantly reduce mycotoxin concentrations in wheat straw compared with a no-fungicide control.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- demethylation inhibitor (DMI) fungicidese1
- Outcome
- mycotoxin concentrations in the strawe1
- Direction
- did not offer significante1
- Comparator
- no-fungicide control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mycotoxin Contamination of Wheat Straw”
e1“demethylation inhibitor (DMI) fungicides did not offer significant (P ≤ 0.05) reductions of mycotoxin concentrations in the straw compared with a no-fungicide control treatment”
Claim · model-written summary
QoI-containing fungicides were associated with higher wheat straw mycotoxin concentrations than the control.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- application of quinone outside inhibitor (QoI)-containing fungicidese2
- Outcome
- mycotoxin concentratione2
- Direction
- higherinferrede2
- Comparator
- the controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mycotoxin Contamination of Wheat Straw”
e2“significant (P ≤ 0.05) reductions in mycotoxin concentration were observed in the control when compared with treatments with the application of quinone outside inhibitor (QoI)-containing fungicides”
Claim · model-written summary
Moderately resistant wheat cultivar had lower straw mycotoxin concentrations than the susceptible cultivar.
- Taxon
- wheatTriticum aestivumt0
- Material
- moderately resistant cultivare3
- Outcome
- mycotoxin concentrations in the strawe3
- Direction
- reducede3
- Comparator
- susceptible cultivare3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mycotoxin Contamination of Wheat Straw”
e3“In the second trial, mycotoxin concentrations in the straw were significantly (P ≤ 0.05) reduced in the moderately resistant cultivar compared with the susceptible cultivar, but were not affected by the use of a fungicide”
Claim · model-written summary
Fungicide use did not affect mycotoxin concentrations in wheat straw.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- use of a fungicidee3
- Outcome
- mycotoxin concentrations in the strawe3
- Direction
- not affectede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Mycotoxin Contamination of Wheat Straw”
e3“In the second trial, mycotoxin concentrations in the straw were significantly (P ≤ 0.05) reduced in the moderately resistant cultivar compared with the susceptible cultivar, but were not affected by the use of a fungicide”
Claim · model-written summary
Selecting resistant cultivars and not using a QoI fungicide may be an effective means to reduce straw mycotoxin concentrations.
- Taxon
- wheatTriticum aestivume4
- Treatment
- selection of resistant cultivars and not using a QoI fungicidee4
- Outcome
- reduce mycotoxin concentrations in the strawe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“The practices typically used to manage Fusarium mycotoxins in wheat grain, especially the selection of resistant cultivars and not using a QoI fungicide, may be an effective means to reduce mycotoxin concentrations in the straw”
The same questions in other papers
quinone outside inhibitor · disease · Triticum aestivum (wheat)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
fungicide · disease · Triticum aestivum (wheat)Positive and negative results
21 papers in the same direction as this paper · 135 in the opposite direction
- positive
- positive
- positive
153 papers more in this group
See all 157 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.