Abstract
Several graminicides were evaluated at various application timings for control and seedhead suppression of red rice (Oryza sativa) in soybean (Glycine max). One application of clethodim, fluazifop-P, quizalofop-P, or sethoxydim at any timing did not control red rice more than 86% 2 wk after treatment. Emergence of red rice seedlings subsequent to applications reduced control later in the season. At a naturally infested location, seedhead reduction was greatest, regardless of graminicide, when application was delayed until the four-leaf stage. At a second location, seedhead reductions were highest following graminicide applications at the two-leaf stage of growth. No single graminicide application completely eliminated red rice seedhead production. Soybean yields were reduced when graminicide application was delayed until the boot stage at both locations, and following two-leaf stage applications at the naturally infested location.Nomenclature: Clethodim, (E,E)-(±)-2-[1-[[(3-chloro-2-propenyl)oxy]imino]propyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one; fluazifop-P, (R)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acid; quizalofop-P, (R)-2-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propanoic acid; sethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one; red rice, Oryza sativa L. #3 ORYSA; soybean, Glycine max (L.) Merr. ‘Hartz 4464’ and ‘Terra-Vig 5452’.Additional index words: Clethodim, fluazifop-P, quizalofop-P, sethoxydim, ORYSA.Abbreviations: POST, postemergence; PPI, preplant incorporated; PRE, preemergence; WAT, weeks after treatment.
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Claims 10
Claim · model-written summary
clethodim controlled red rice by no more than 86% two weeks after treatment.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- clethodime0
- Interactor
- red ricee0weed
- Outcome
- control red ricee0
- Direction
- did not control red rice more thane0
- Value
- 86%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“One application of clethodim, fluazifop-P, quizalofop-P, or sethoxydim at any timing did not control red rice more than 86% 2 wk after treatment.”
Claim · model-written summary
fluazifop-P controlled red rice by no more than 86% two weeks after treatment.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- fluazifop-Pe0
- Interactor
- red ricee0weed
- Outcome
- control red ricee0
- Direction
- did not control red rice more thane0
- Value
- 86%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“One application of clethodim, fluazifop-P, quizalofop-P, or sethoxydim at any timing did not control red rice more than 86% 2 wk after treatment.”
Claim · model-written summary
quizalofop-P controlled red rice by no more than 86% two weeks after treatment.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- quizalofop-Pe0
- Interactor
- red ricee0weed
- Outcome
- control red ricee0
- Direction
- did not control red rice more thane0
- Value
- 86%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“One application of clethodim, fluazifop-P, quizalofop-P, or sethoxydim at any timing did not control red rice more than 86% 2 wk after treatment.”
Claim · model-written summary
sethoxydim controlled red rice by no more than 86% two weeks after treatment.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- sethoxydime0
- Interactor
- red ricee0weed
- Outcome
- control red ricee0
- Direction
- did not control red rice more thane0
- Value
- 86%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“One application of clethodim, fluazifop-P, quizalofop-P, or sethoxydim at any timing did not control red rice more than 86% 2 wk after treatment.”
Claim · model-written summary
Later red rice emergence reduced control later in the season.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- red ricee0weed
- Outcome
- controle0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“Emergence of red rice seedlings subsequent to applications reduced control later in the season.”
Claim · model-written summary
Red rice seedhead reduction was greatest at the stated application stage.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- application was delayed until the four-leaf stagee0
- Interactor
- Red Ricet1weed
- Outcome
- seedhead reductione0
- Direction
- greateste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
t1“Red Rice”
e0“At a naturally infested location, seedhead reduction was greatest, regardless of graminicide, when application was delayed until the four-leaf stage.”
Claim · model-written summary
Red rice seedhead reduction was greatest at the stated application stage.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- graminicide applications at the two-leaf stage of growthe0
- Interactor
- Red Ricet1weed
- Outcome
- seedhead reductionse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
t1“Red Rice”
e0“At a second location, seedhead reductions were highest following graminicide applications at the two-leaf stage of growth.”
Claim · model-written summary
A single graminicide application did not eliminate red rice seedhead production.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- single graminicide applicatione0
- Interactor
- red ricee0weed
- Outcome
- red rice seedhead productione0
- Direction
- Noe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“No single graminicide application completely eliminated red rice seedhead production.”
Claim · model-written summary
Soybean yields were reduced following graminicide application was delayed until the boot stage.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- graminicide application was delayed until the boot stagee0
- Outcome
- Soybean yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“Soybean yields were reduced when graminicide application was delayed until the boot stage at both locations, and following two-leaf stage applications at the naturally infested location.”
Claim · model-written summary
Soybean yields were reduced following two-leaf stage applications.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- two-leaf stage applicationse0
- Outcome
- Soybean yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“Soybean yields were reduced when graminicide application was delayed until the boot stage at both locations, and following two-leaf stage applications at the naturally infested location.”
The same questions in other papers
Sethoxydim · control · Glycine max (soybean)Positive and negative results
5 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- negative
6 papers more in this group
See all 10 papers →clethodim · control · Glycine max (soybean)Positive and negative results
8 papers in the same direction as this paper · 2 in the opposite direction
- positive
- negative
- negative
7 papers more in this group
See all 11 papers →fluazifop-P · control · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- positive
quizalofop-P · control · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- positive
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.