Abstract
Four field trials were conducted on a farm infested with glyphosate-resistant (GR) common ragweed during 2016 and 2017 to evaluate various postemergence (POST) herbicides for the control of GR common ragweed in GR corn. Dicamba at 600 g·a.i.·ha-1, dicamba/diflufenzopyr at 200 g·a.i.·ha-1, dicamba/atrazine at 1500 g·a.i.·ha-1, topramezone + atrazine at 12.5 + 500 g·a.i.·ha-1, bromoxynil + atrazine at 280 + 1500 g·a.i.·ha-1, glufosinate at 500 g·a.i.·ha-1 and 2,4-D ester at 560 g·a.i.·ha-1 provided 58% to 85% control at 4 WAA and 49% to 88% control at 8 WAA. Other herbicides evaluated controlled GR common ragweed 9% to 41%. Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively. Results show that dicamba, bromoxynil + atrazine, topramezone + atrazine and glufosinate applied POST are the most efficacious herbicides among the herbicides evaluated for the control of GR common ragweed in GR corn.
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Claims 11
Claim · model-written summary
Seven POST herbicides provided 58% to 85% common ragweed control at 4 WAA and 49% to 88% at 8 WAA.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- Dicamba at 600 g·a.i.·ha-1e0
- Interactor
- Common Ragweed
Ambrosia artemisiifoliat0weed - Outcome
- controle0
- Direction
- providede0
- Value
- 58% to 85%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Dicamba at 600 g·a.i.·ha-1, dicamba/diflufenzopyr at 200 g·a.i.·ha-1, dicamba/atrazine at 1500 g·a.i.·ha-1, topramezone + atrazine at 12.5 + 500 g·a.i.·ha-1, bromoxynil + atrazine at 280 + 1500 g·a.i.·ha-1, glufosinate at 500 g·a.i.·ha-1 and 2,4-D ester at 560 g·a.i.·ha-1 provided 58% to 85% control at 4 WAA and 49% to 88% control at 8 WAA.”
Claim · model-written summary
Other tested herbicides controlled GR common ragweed by 9% to 41%.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Other herbicidese0
- Interactor
- common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- GR common ragweede0
- Direction
- controllede0
- Value
- 9% to 41%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Other herbicides evaluated controlled GR common ragweed 9% to 41%.”
Claim · model-written summary
bromoxynil + atrazine reduced common ragweed density by 97%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- bromoxynil + atrazinee0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- Common ragweed densitye0
- Direction
- reducede0
- Value
- 97%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
dicamba reduced common ragweed density by 95%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- dicambae0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- Common ragweed densitye0
- Direction
- reducede0
- Value
- 95%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
glufosinate reduced common ragweed density by 95%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- glufosinatee0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- Common ragweed densitye0
- Direction
- reducede0
- Value
- 95%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
topramezone + atrazine reduced common ragweed density by 87%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- topramezone + atrazinee0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- Common ragweed densitye0
- Direction
- reducede0
- Value
- 87%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
bromoxynil + atrazine reduced ragweed shoot dry weight by 93%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- bromoxynil + atrazinee0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- shoot dry weighte0
- Direction
- reducede0
- Value
- 93%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
dicamba reduced ragweed shoot dry weight by 95%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- dicambae0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- shoot dry weighte0
- Direction
- reducede0
- Value
- 95%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
glufosinate reduced ragweed shoot dry weight by 94%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- glufosinatee0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- shoot dry weighte0
- Direction
- reducede0
- Value
- 94%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
topramezone + atrazine reduced ragweed shoot dry weight by 90%.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- topramezone + atrazinee0
- Interactor
- Common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- shoot dry weighte0
- Direction
- reducede0
- Value
- 90%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Common ragweed density was reduced 97%, 95%, 95% and 87% and shoot dry weight was reduced 93%, 95%, 94% and 90% with bromoxynil + atrazine, dicamba, glufosinate and topramezone + atrazine applied POST in GR corn, respectively.”
Claim · model-written summary
Dicamba, bromoxynil plus atrazine, topramezone plus atrazine, and glufosinate are recommended as most efficacious among tested herbicides.
- Taxon
- cornZea mays subsp. mayse0
- Interactor
- common ragweedAmbrosia artemisiifoliae0weed
- Outcome
- most efficacious herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Ragweed Control in Corn”
e0“Results show that dicamba, bromoxynil + atrazine, topramezone + atrazine and glufosinate applied POST are the most efficacious herbicides among the herbicides evaluated for the control of GR common ragweed in GR corn.”
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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.