Abstract
Five experiments were conducted over a 2-yr period (2013 and 2014) to evaluate POST herbicides in winter wheat fields with a history of glyphosate-resistant (GR) horseweed. Control 4 wk after treatment (WAT) with pyrasulfotole + bromoxynil was 95%. Control 8 WAT with 2,4-D, dicamba + MCPA + mecoprop, clopyralid, and pyrasulfotole + bromoxynil ranged from 89 to 97%; these herbicides also reduced GR horseweed density and biomass by 97 to 99%. Single mode of action herbicides like 2,4-D controlled GR horseweed; however, multiple modes of action should be used to prevent populations from becoming incrementally more resistant under repeated selection pressure.
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Claims 4
Claim · model-written summary
Pyrasulfotole plus bromoxynil controlled glyphosate-resistant horseweed by 95% at four weeks.
- Taxon
- winter wheat
Triticum aestivumt0 - Treatment
- pyrasulfotole + bromoxynile0
- Interactor
- horseweed
Erigeron canadensist1weede0 - Outcome
- Controle0
- Value
- 95%e0
- Qualifier
- 4 wk after treatment (WAT)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Control 4 wk after treatment (WAT) with pyrasulfotole + bromoxynil was 95%.”
t0“Winter Wheat”
t1“Horseweed”
Claim · model-written summary
At eight weeks, the listed herbicides controlled glyphosate-resistant horseweed by 89–97%.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 2,4-D, dicamba + MCPA + mecoprop, clopyralid, and pyrasulfotole + bromoxynile0
- Interactor
- horseweedErigeron canadensist1weede0
- Outcome
- Controle0
- Value
- 89 to 97%e0
- Qualifier
- 8 WATe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Control 8 WAT with 2,4-D, dicamba + MCPA + mecoprop, clopyralid, and pyrasulfotole + bromoxynil ranged from 89 to 97%”
t0“Winter Wheat”
t1“Horseweed”
Claim · model-written summary
The listed herbicides reduced glyphosate-resistant horseweed density and biomass by 97–99%.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- these herbicidese0
- Interactor
- GR horseweede0weed
- Outcome
- GR horseweed density and biomasse0
- Direction
- reducede0
- Value
- 97 to 99%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these herbicides also reduced GR horseweed density and biomass by 97 to 99%.”
t0“Winter Wheat”
Claim · model-written summary
The authors recommend multiple herbicide modes of action to prevent increasing resistance.
- Taxon
- winter wheatTriticum aestivumt0
- Interactor
- populationse0weed
- Outcome
- multiple modes of action should be usede0
- Qualifier
- under repeated selection pressuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“multiple modes of action should be used to prevent populations from becoming incrementally more resistant under repeated selection pressure.”
t0“Winter Wheat”
The same questions in other papers
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- positive
herbicide · growth · Triticum aestivum (wheat)Positive and negative results
63 papers in the same direction as this paper · 51 in the opposite direction · 1 reporting no difference from an alternative
- positive
- negative
- no effect
112 papers more in this group
See all 116 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.