Abstract
POST herbicides were applied at four soybean growth stages to evaluate their effect on triazine-resistant (TR) kochia in 1991, 1992, and 1993. Applying imazethapyr at 70 g ai/ha or bentazon plus imazethapyr at 1,120 plus 70 g ai/ha controlled 75 to 100% of 1- to 13-cm-tall TR kochia consistently across growth stages and years. Acifluorfen at 560 g ai/ha, chlorimuron at 13 g ai/ha, or chlorimuron plus thifensulfuron at 4 plus 4 g ai/ha controlled 68 to 96% of 1- to 2-cm-tall TR kochia at soybean growth stage VC to V1, and control was inconsistent at later growth stages. In most instances, soybean seed yield was greater with herbicides applied at the V1 or V2 growth stage of soybean compared with the V4 and V5 growth stage because of better weed control. No wheat yield reduction occurred because of herbicide carryover in 1992 and 1994. However, in 1993, imazethapyr and bentazon plus imazethapyr treatments applied in 1992 caused 22% injury and reduced winter wheat yield 10% when wheat was planted after soybean harvest.
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Claims 11
Claim · model-written summary
imazethapyr at 70 g ai/ha controlled 75 to 100% of TR kochia.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- imazethapyr at 70 g ai/hae0
- Outcome
- TR kochiae0
- Direction
- controllede0
- Value
- 75 to 100%e0
- Qualifier
- 1- to 13-cm-talle0
BassiaNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling Kochia (Kochia scoparia) in Soybean (Glycine max) with Postemergence Herbicides”
e0“Applying imazethapyr at 70 g ai/ha or bentazon plus imazethapyr at 1,120 plus 70 g ai/ha controlled 75 to 100% of 1- to 13-cm-tall TR kochia consistently across growth stages and years.”
Claim · model-written summary
bentazon plus imazethapyr at 1,120 plus 70 g ai/ha controlled 75 to 100% of TR kochia.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- bentazon plus imazethapyr at 1,120 plus 70 g ai/hae0
- Outcome
- TR kochiae0
- Direction
- controllede0
- Value
- 75 to 100%e0
- Qualifier
- 1- to 13-cm-talle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Controlling Kochia (Kochia scoparia) in Soybean (Glycine max) with Postemergence Herbicides”
e0“Applying imazethapyr at 70 g ai/ha or bentazon plus imazethapyr at 1,120 plus 70 g ai/ha controlled 75 to 100% of 1- to 13-cm-tall TR kochia consistently across growth stages and years.”
Claim · model-written summary
Acifluorfen at 560 g ai/ha controlled 68 to 96% of young TR kochia at soybean stage VC to V1, with inconsistent later control.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- soybean growth stage VC to V1e0
- Treatment
- Acifluorfen at 560 g ai/hae0
- Outcome
- TR kochiae0
- Direction
- controllede0
- Value
- 68 to 96%e0
- Qualifier
- control was inconsistent at later growth stagese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acifluorfen at 560 g ai/ha, chlorimuron at 13 g ai/ha, or chlorimuron plus thifensulfuron at 4 plus 4 g ai/ha controlled 68 to 96% of 1- to 2-cm-tall TR kochia at soybean growth stage VC to V1, and control was inconsistent at later growth stages.”
Claim · model-written summary
chlorimuron at 13 g ai/ha controlled 68 to 96% of young TR kochia at soybean stage VC to V1, with inconsistent later control.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- soybean growth stage VC to V1e0
- Treatment
- chlorimuron at 13 g ai/hae0
- Outcome
- TR kochiae0
- Direction
- controllede0
- Value
- 68 to 96%e0
- Qualifier
- control was inconsistent at later growth stagese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acifluorfen at 560 g ai/ha, chlorimuron at 13 g ai/ha, or chlorimuron plus thifensulfuron at 4 plus 4 g ai/ha controlled 68 to 96% of 1- to 2-cm-tall TR kochia at soybean growth stage VC to V1, and control was inconsistent at later growth stages.”
Claim · model-written summary
chlorimuron plus thifensulfuron at 4 plus 4 g ai/ha controlled 68 to 96% of young TR kochia at soybean stage VC to V1, with inconsistent later control.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- soybean growth stage VC to V1e0
- Treatment
- chlorimuron plus thifensulfuron at 4 plus 4 g ai/hae0
- Outcome
- TR kochiae0
- Direction
- controllede0
- Value
- 68 to 96%e0
- Qualifier
- control was inconsistent at later growth stagese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acifluorfen at 560 g ai/ha, chlorimuron at 13 g ai/ha, or chlorimuron plus thifensulfuron at 4 plus 4 g ai/ha controlled 68 to 96% of 1- to 2-cm-tall TR kochia at soybean growth stage VC to V1, and control was inconsistent at later growth stages.”
Claim · model-written summary
Soybean seed yield was usually greater after herbicide application at V1 or V2 than at V4 or V5.
- Taxon
- soybeanGlycine maxe0
- Treatment
- herbicides applied at the V1 or V2 growth stagee0
- Interactor
- weede0weed
- Outcome
- soybean seed yielde0
- Direction
- greatere0
- Comparator
- V4 and V5 growth stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In most instances, soybean seed yield was greater with herbicides applied at the V1 or V2 growth stage of soybean compared with the V4 and V5 growth stage because of better weed control.”
Claim · model-written summary
Herbicide carryover caused no wheat yield reduction in 1992 and 1994.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- herbicide carryovere0
- Outcome
- wheat yielde0
- Direction
- No wheat yield reductione0
- Qualifier
- 1992 and 1994e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No wheat yield reduction occurred because of herbicide carryover in 1992 and 1994.”
Claim · model-written summary
imazethapyr caused 22% injury in following winter wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- imazethapyre0
- Outcome
- injurye0
- Direction
- causede0
- Value
- 22%e0
- Qualifier
- when wheat was planted after soybean harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, in 1993, imazethapyr and bentazon plus imazethapyr treatments applied in 1992 caused 22% injury and reduced winter wheat yield 10% when wheat was planted after soybean harvest.”
Claim · model-written summary
imazethapyr caused 10% winter wheat yield in following winter wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- imazethapyre0
- Outcome
- winter wheat yielde0
- Direction
- reducede0
- Value
- 10%e0
- Qualifier
- when wheat was planted after soybean harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, in 1993, imazethapyr and bentazon plus imazethapyr treatments applied in 1992 caused 22% injury and reduced winter wheat yield 10% when wheat was planted after soybean harvest.”
Claim · model-written summary
bentazon plus imazethapyr caused 22% injury in following winter wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- bentazon plus imazethapyre0
- Outcome
- injurye0
- Direction
- causede0
- Value
- 22%e0
- Qualifier
- when wheat was planted after soybean harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, in 1993, imazethapyr and bentazon plus imazethapyr treatments applied in 1992 caused 22% injury and reduced winter wheat yield 10% when wheat was planted after soybean harvest.”
Claim · model-written summary
bentazon plus imazethapyr caused 10% winter wheat yield in following winter wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- bentazon plus imazethapyre0
- Outcome
- winter wheat yielde0
- Direction
- reducede0
- Value
- 10%e0
- Qualifier
- when wheat was planted after soybean harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, in 1993, imazethapyr and bentazon plus imazethapyr treatments applied in 1992 caused 22% injury and reduced winter wheat yield 10% when wheat was planted after soybean harvest.”
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