Abstract
Few studies have investigated the tolerance of azuki and white bean to preplant (PP) applications of tiafenacil herbicide mixtures in Ontario. Four field experiments were conducted in southwestern Ontario, Canada, to assess the tolerance of azuki and white bean to PP applications of tiafenacil and tiafenacil herbicide mixtures at 1X and 2X rates. In azuki bean, tiafenacil at the 1X and 2X rate cause 0.5 and 0.4% injury at 4 weeks after bean emergence (WAE), respectively, mixtures of tiafenacil with halauxifen-methyl plus bromoxynil at the 1X and 2X rates caused 1.3 and 4.6% injury, respectively; significantly greater compared to tiafenacil applied alone. Other tiafenacil herbicide mixtures evaluated caused similar azuki bean injury to tiafenacil applied alone. In white bean, the combinations of tiafenacil with metribuzin, 2,4-D ester, and bromoxynil + 2,4-D ester at the 2X rate caused 1.4-1.6% more visible injury than tiafenacil applied alone at the same rate; however, other herbicide mixtures caused similar injury levels to tiafenacil applied alone. None of the tiafenacil herbicide treatments evaluated reduced bean stand at 3 WAE. Tiafenacil + 2,4-D ester reduced bean biomass plant-1 and m-1 by 18% relative to the non-treated control at 3 WAE. At 6 WAE, none of the tiafenacil treatments evaluated affected plant height, and at harvest, none of the tiafenacil herbicide treatments influenced seed moisture content or bean yield relative to the non-treated control. These results conclude that, although certain tiafenacil mixtures may cause minor and transient injury in azuki and white bean, they do not substantially affect growth, maturity, or yield, making them suitable options for pp weed control in both azuki and white bean production.
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Claims 16
Claim · model-written summary
Tiafenacil alone caused 0.5% injury in azuki bean at 1X after four weeks.
- Taxon
- azuki bean
Vigna angularise0 - Treatment
- tiafenacil at the 1Xe0
- Outcome
- injurye0
- Value
- 0.5e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In azuki bean, tiafenacil at the 1X and 2X rate cause 0.5 and 0.4% injury at 4 weeks after bean emergence (WAE), respectively”
Claim · model-written summary
Tiafenacil alone caused 0.4% injury in azuki bean at 2X after four weeks.
- Taxon
- azuki beanVigna angularise0
- Treatment
- tiafenacil at the 1X and 2X ratee0
- Outcome
- injurye0
- Value
- 0.4%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In azuki bean, tiafenacil at the 1X and 2X rate cause 0.5 and 0.4% injury at 4 weeks after bean emergence (WAE), respectively”
Claim · model-written summary
The 1X tiafenacil and halauxifen-methyl plus bromoxynil mixture caused 1.3% azuki bean injury, significantly more than tiafenacil alone.
Verbatim
e0“mixtures of tiafenacil with halauxifen-methyl plus bromoxynil at the 1X and 2X rates caused 1.3 and 4.6% injury, respectively; significantly greater compared to tiafenacil applied alone”
t0“Azuki”
Claim · model-written summary
The 2X tiafenacil and halauxifen-methyl plus bromoxynil mixture caused 4.6% azuki bean injury, significantly more than tiafenacil alone.
Verbatim
e0“mixtures of tiafenacil with halauxifen-methyl plus bromoxynil at the 1X and 2X rates caused 1.3 and 4.6% injury, respectively; significantly greater compared to tiafenacil applied alone”
t0“Azuki”
Claim · model-written summary
Other tiafenacil mixtures produced similar azuki bean injury to tiafenacil alone.
- Taxon
- azuki beanVigna angularise0
- Treatment
- Other tiafenacil herbicide mixturese0
- Outcome
- azuki bean injurye0
- Direction
- similare0
- Comparator
- tiafenacil applied alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Other tiafenacil herbicide mixtures evaluated caused similar azuki bean injury to tiafenacil applied alone.”
Claim · model-written summary
At 2X, tiafenacil with metribuzin caused 1.4-1.6% more white bean injury than tiafenacil alone.
Verbatim
e0“In white bean, the combinations of tiafenacil with metribuzin, 2,4-D ester, and bromoxynil + 2,4-D ester at the 2X rate caused 1.4-1.6% more visible injury than tiafenacil applied alone at the same rate”
Claim · model-written summary
At 2X, tiafenacil with 2,4-D ester caused 1.4-1.6% more white bean injury than tiafenacil alone.
Verbatim
e0“In white bean, the combinations of tiafenacil with metribuzin, 2,4-D ester, and bromoxynil + 2,4-D ester at the 2X rate caused 1.4-1.6% more visible injury than tiafenacil applied alone at the same rate”
Claim · model-written summary
At 2X, tiafenacil with bromoxynil and 2,4-D ester caused 1.4-1.6% more white bean injury than tiafenacil alone.
Verbatim
e0“In white bean, the combinations of tiafenacil with metribuzin, 2,4-D ester, and bromoxynil + 2,4-D ester at the 2X rate caused 1.4-1.6% more visible injury than tiafenacil applied alone at the same rate”
Claim · model-written summary
Other mixtures caused similar white bean injury to tiafenacil alone.
Verbatim
e0“other herbicide mixtures caused similar injury levels to tiafenacil applied alone”
t0“White Bean”
Claim · model-written summary
No evaluated tiafenacil treatment reduced bean stand at three weeks.
Not reportedComparator
Verbatim
e0“None of the tiafenacil herbicide treatments evaluated reduced bean stand at 3 WAE.”
t0“Bean”
Claim · model-written summary
Tiafenacil plus 2,4-D ester reduced bean biomass per plant by 18% relative to untreated control.
Verbatim
e0“Tiafenacil + 2,4-D ester reduced bean biomass plant-1 and m-1 by 18% relative to the non-treated control at 3 WAE.”
Claim · model-written summary
Tiafenacil plus 2,4-D ester reduced bean biomass per metre by 18% relative to untreated control.
Verbatim
e0“Tiafenacil + 2,4-D ester reduced bean biomass plant-1 and m-1 by 18% relative to the non-treated control at 3 WAE.”
Claim · model-written summary
Tiafenacil treatments did not affect bean height at six weeks.
Not reportedComparator
Verbatim
e0“At 6 WAE, none of the tiafenacil treatments evaluated affected plant height”
t0“Bean”
Claim · model-written summary
Tiafenacil treatments did not affect seed moisture at harvest relative to untreated control.
Verbatim
e0“none of the tiafenacil herbicide treatments influenced seed moisture content or bean yield relative to the non-treated control”
t0“Bean”
Claim · model-written summary
Tiafenacil treatments did not affect bean yield at harvest relative to untreated control.
Verbatim
e0“none of the tiafenacil herbicide treatments influenced seed moisture content or bean yield relative to the non-treated control”
Claim · model-written summary
The authors consider tiafenacil mixtures suitable for preplant weed control in azuki and white bean.
Verbatim
e0“making them suitable options for pp weed control in both azuki and white bean production”
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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.