Abstract
Glyphosate-resistant (GR) volunteer corn is a significant problem weed in soybean grown in rotation with corn in the midwestern United States and eastern Canada. The objective of this study was to evaluate the efficacy of glufosinate applied in single or sequential applications compared with acetyl-coenzyme A carboxylase (ACCase) inhibitors applied alone or tank mixed with glufosinate for controlling GR volunteer corn in glufosinate-resistant soybean. At 15 d after early-POST (DAEP), ACCase inhibitors applied alone controlled volunteer corn 76 to 93% compared to 71 to 82% control when tank mixed with glufosinate. The expected volunteer corn control achieved by tank mixing ACCase inhibitors and glufosinate was greater than the glufosinate alone, indicating that glufosinate antagonized ACCase inhibitors at 15 DAEP, but not at later rating dates. ACCase inhibitors applied alone or tank mixed with glufosinate followed by late-POST glufosinate application controlled volunteer corn and green foxtail ≥ 97% at 30 DAEP. Single early-POST application of glufosinate controlled common waterhemp and volunteer corn 53 to 78%, and green foxtail 72 to 93% at 15 DAEP. Single as well as sequential glufosinate applications controlled green foxtail and volunteer corn greater than or equal to 90%, and common waterhemp greater than 85% at 75 d after late-POST (DALP). Contrast analysis suggested that glufosinate applied sequentially provided greater control of volunteer corn at 15 and 75 DALP compared to a single application. Similar results were reflected in volunteer corn density and biomass at 75 DALP. Volunteer corn interference did not affect soybean yield, partly because of extreme weather conditions (hail and high winds) in both years of this study.
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Claims 12
Claim · model-written summary
ACCase inhibitors alone controlled volunteer corn 76 to 93% at 15 DAEP.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- ACCase inhibitors applied alonee0
- Interactor
- volunteer corne0weed
- Outcome
- volunteer corne0
- Direction
- controllede0
- Value
- 76 to 93%e0
- Comparator
- tank mixed with glufosinatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 15 d after early-POST (DAEP), ACCase inhibitors applied alone controlled volunteer corn 76 to 93% compared to 71 to 82% control when tank mixed with glufosinate.”
t0“Soybean”
Claim · model-written summary
ACCase inhibitors mixed with glufosinate controlled volunteer corn 71 to 82% at 15 DAEP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- tank mixed with glufosinatee0
- Interactor
- volunteer corne0weed
- Outcome
- volunteer corne0
- Direction
- controllede0
- Value
- 71 to 82%e0
- Comparator
- ACCase inhibitors applied alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 15 d after early-POST (DAEP), ACCase inhibitors applied alone controlled volunteer corn 76 to 93% compared to 71 to 82% control when tank mixed with glufosinate.”
t0“Soybean”
Claim · model-written summary
Glufosinate antagonized ACCase inhibitors at 15 DAEP but not later.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- antagonized ACCase inhibitorse0
- Qualifier
- 15 DAEP, but not at later rating datese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“glufosinate antagonized ACCase inhibitors at 15 DAEP, but not at later rating dates.”
t0“Soybean”
Claim · model-written summary
Sequential ACCase inhibitor and glufosinate controlled volunteer corn at least 97% at 30 DAEP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- ACCase inhibitors applied alone or tank mixed with glufosinate followed by late-POST glufosinate applicatione0
- Interactor
- volunteer corne0weed
- Outcome
- volunteer corne0
- Direction
- controllede0
- Value
- ≥ 97%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ACCase inhibitors applied alone or tank mixed with glufosinate followed by late-POST glufosinate application controlled volunteer corn and green foxtail ≥ 97% at 30 DAEP.”
t0“Soybean”
Claim · model-written summary
Sequential ACCase inhibitor and glufosinate controlled green foxtail at least 97% at 30 DAEP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- ACCase inhibitors applied alone or tank mixed with glufosinate followed by late-POST glufosinate applicatione0
- Interactor
- green foxtaile0weed
- Outcome
- green foxtaile0
- Direction
- controllede0
- Value
- ≥ 97%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ACCase inhibitors applied alone or tank mixed with glufosinate followed by late-POST glufosinate application controlled volunteer corn and green foxtail ≥ 97% at 30 DAEP.”
t0“Soybean”
Claim · model-written summary
Single early glufosinate controlled waterhemp and volunteer corn 53 to 78% at 15 DAEP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Single early-POST application of glufosinatee0
- Interactor
- volunteer corne0weed
- Second interactor
- common waterhempe0weed
- Outcome
- common waterhemp and volunteer corne0
- Direction
- controllede0
- Value
- 53 to 78%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single early-POST application of glufosinate controlled common waterhemp and volunteer corn 53 to 78%, and green foxtail 72 to 93% at 15 DAEP.”
t0“Soybean”
Claim · model-written summary
Single early glufosinate controlled green foxtail 72 to 93% at 15 DAEP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Single early-POST application of glufosinatee0
- Interactor
- green foxtaile0weed
- Outcome
- green foxtaile0
- Direction
- controllede0
- Value
- 72 to 93%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single early-POST application of glufosinate controlled common waterhemp and volunteer corn 53 to 78%, and green foxtail 72 to 93% at 15 DAEP.”
t0“Soybean”
Claim · model-written summary
Single and sequential glufosinate controlled green foxtail and volunteer corn at least 90% at 75 DALP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Single as well as sequential glufosinate applicationse0
- Interactor
- volunteer corne0weed
- Second interactor
- green foxtaile0weed
- Outcome
- green foxtail and volunteer corne0
- Direction
- controllede0
- Value
- greater than or equal to 90%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single as well as sequential glufosinate applications controlled green foxtail and volunteer corn greater than or equal to 90%, and common waterhemp greater than 85% at 75 d after late-POST (DALP).”
t0“Soybean”
Claim · model-written summary
Single and sequential glufosinate controlled common waterhemp over 85% at 75 DALP.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Single as well as sequential glufosinate applicationse0
- Interactor
- common waterhempe0weed
- Outcome
- common waterhempe0
- Direction
- controllede0
- Value
- greater than 85%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single as well as sequential glufosinate applications controlled green foxtail and volunteer corn greater than or equal to 90%, and common waterhemp greater than 85% at 75 d after late-POST (DALP).”
t0“Soybean”
Claim · model-written summary
Sequential glufosinate gave greater volunteer corn control than one application.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- glufosinate applied sequentiallye0
- Interactor
- volunteer corne0weed
- Outcome
- control of volunteer corne0
- Direction
- greatere0
- Comparator
- a single applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“glufosinate applied sequentially provided greater control of volunteer corn at 15 and 75 DALP compared to a single application.”
t0“Soybean”
Claim · model-written summary
Volunteer corn density and biomass reflected greater sequential control at 75 DALP.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- volunteer corne0weed
- Outcome
- volunteer corn density and biomasse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Similar results were reflected in volunteer corn density and biomass at 75 DALP.”
t0“Soybean”
Claim · model-written summary
Volunteer corn interference did not affect soybean yield amid extreme weather.
- Taxon
- soybeanGlycine maxe0
- Interactor
- Volunteer corne0weed
- Outcome
- soybean yielde0
- Direction
- did not affecte0
- Qualifier
- extreme weather conditions (hail and high winds)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Volunteer corn interference did not affect soybean yield, partly because of extreme weather conditions (hail and high winds) in both years of this study.”
The same questions in other papers
EC 6.4.1.2 (acetyl-CoA carboxylase) inhibitor · organism · Glycine max (soybean)Positive and negative results
1 in the opposite direction
- no effect
glufosinate · organism · Glycine max (soybean)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- positive
- negative
- no effect
2 papers more in this group
See all 6 papers →glufosinate · control · Glycine max (soybean)Positive and negative results
30 papers in the same direction as this paper · 2 in the opposite direction · 2 reporting no difference from an alternative
- no effect
- positive
- positive
31 papers more in this group
See all 35 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.