Abstract
Fusarium head blight (FHB) is a serious disease in the wet conditions of eastern Canada. Tillage practices and herbicide applications have been reported to influence disease intensity. This study aimed to determine the effect of glyphosate on FHB development in wheat and barley and on Fusarium graminearum inoculum production under different soil tillages. The experiment was performed during 2 years (2007 and 2008) at two different sites in Quebec, Canada. Six trials were set in both sites, combining two cereal species (wheat and barley) and three soil tillages: moldboard plow, spring tillage (minimum-till), and direct drilling. For each trial, glyphosate or other herbicides were applied on Roundup Ready soybean the year preceding cereal crops, constituting the main plots. The next year, three wheat and three barley cultivars were sown as subplots. FHB index, Fusarium-damaged kernels (FDK), deoxynivalenol (DON) content, and F. graminearum inoculum production were measured. Glyphosate had no significant effect on FHB index, FDK, or DON content, whatever the trial and the site. F. graminearum inoculum production was enhanced by glyphosate in only 1 of 12 trials. Cultivar effect was highly significant on DON content. The relationship between F. graminearum inoculum from soybean residues and DON content was weak.
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Claims 6
Claim · model-written summary
Glyphosate had no significant effect on Fusarium head blight index.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Glyphosatee0
- Outcome
- FHB indexe0
- Direction
- no significant effecte0
FusariumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate had no significant effect on FHB index, FDK, or DON content, whatever the trial and the site.”
t0“Wheat and Barley”
t1“Fusarium Head Blight”
Claim · model-written summary
Glyphosate had no significant effect on Fusarium-damaged kernels.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Treatment
- Glyphosatee0
- Outcome
- FDKe0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Glyphosate had no significant effect on FHB index, FDK, or DON content, whatever the trial and the site.”
t0“Wheat and Barley”
t1“Fusarium Head Blight”
Claim · model-written summary
Glyphosate had no significant effect on DON content.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Glyphosatee0
- Outcome
- DON contente0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate had no significant effect on FHB index, FDK, or DON content, whatever the trial and the site.”
t0“Wheat and Barley”
t1“Fusarium Head Blight”
Claim · model-written summary
Glyphosate enhanced F. graminearum inoculum production in one of twelve trials.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- glyphosatee0
- Interactor
- F. graminearum
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=60)
Fusarium graminearume0pathogen - Outcome
- F. graminearum inoculum productione0
- Direction
- enhancede0
- Value
- 1 of 12e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=500)
Verbatim
e0“F. graminearum inoculum production was enhanced by glyphosate in only 1 of 12 trials.”
t0“Wheat and Barley”
Claim · model-written summary
Cultivar significantly affected DON content.
- Taxon
- wheatTriticum aestivumt0
- Material
- Cultivare0
- Outcome
- DON contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivar effect was highly significant on DON content.”
t0“Wheat and Barley”
Claim · model-written summary
Inoculum from soybean residues was weakly related to DON content.
- Taxon
- soybean
Glycine maxe0 - Interactor
- F. graminearumFusarium graminearume0pathogen
- Outcome
- DON contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The relationship between F. graminearum inoculum from soybean residues and DON content was weak.”
The same questions in other papers
glyphosate · Fusarium · Triticum aestivum (wheat)Results differ
2 papers in the same direction as this paper
- no effect
- negative
glyphosate · organism · Hordeum vulgare (barley)Positive and negative results
1 in the opposite direction
- positive
glyphosate · disease · Triticum aestivum (wheat)Positive and negative results
4 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
9 papers more in this group
See all 13 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.