Abstract
Volunteer corn in soybean can reduce yields, interfere with harvest, and cause unacceptable levels of contamination by its presence in the harvested soybean. In Ontario, soybean frequently follow corn in rotation. The use of glyphosate-resistant corn and soybean varieties has increased dramatically in Ontario. Field studies were conducted at two locations in southwestern Ontario to determine whether quizalofop-p-ethyl, clethodim, and fenoxaprop-p-ethyl can be tank mixed with glyphosate to provide effective control of volunteer glyphosate-resistant corn in glyphosate-resistant soybean. Soybean plots were overseeded with glyphosate-resistant corn and treatments consisting of glyphosate applied alone and tank mixed with full and reduced rates of each graminicide with and without a recommended surfactant. Tank mixing the graminicides and adjuvants with glyphosate did not affect glyphosate weed control or crop tolerance. Use of a recommended adjuvant significantly improved the effectiveness of the graminicides, particularly when reduced rates were applied. Quizalofop-p-ethyl was the most effective graminicide for controlling glyphosate-resistant volunteer corn, followed by clethodim and fenoxaprop-p-ethyl.
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Claims 4
Claim · model-written summary
Adding graminicides and adjuvants to glyphosate did not affect glyphosate weed control.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- Tank mixing the graminicides and adjuvants with glyphosatee0
- Outcome
- glyphosate weed controle0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tank mixing the graminicides and adjuvants with glyphosate did not affect glyphosate weed control or crop tolerance.”
t0“Soybean (Glycine max)”
Claim · model-written summary
Adding graminicides and adjuvants to glyphosate did not affect soybean crop tolerance.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Tank mixing the graminicides and adjuvants with glyphosatee0
- Outcome
- crop tolerancee0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tank mixing the graminicides and adjuvants with glyphosate did not affect glyphosate weed control or crop tolerance.”
t0“Soybean (Glycine max)”
Claim · model-written summary
A recommended adjuvant significantly improved graminicide effectiveness, especially at reduced rates.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- recommended adjuvante0
- Interactor
- Volunteer Glyphosate-Resistant Cornt0weed
- Outcome
- effectiveness of the graminicidese0
- Direction
- improvede0
- Qualifier
- particularly when reduced rates were appliede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Use of a recommended adjuvant significantly improved the effectiveness of the graminicides, particularly when reduced rates were applied.”
t0“Volunteer Glyphosate-Resistant Corn (Zea mays) in Glyphosate-Resistant Soybean (Glycine max)”
Claim · model-written summary
Quizalofop-p-ethyl was the most effective graminicide for volunteer corn control.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Quizalofop-p-ethyle0
- Interactor
- glyphosate-resistant volunteer corne0weed
- Outcome
- controlling glyphosate-resistant volunteer corne0
- Direction
- most effectivee0
- Comparator
- clethodim and fenoxaprop-p-ethyle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Quizalofop-p-ethyl was the most effective graminicide for controlling glyphosate-resistant volunteer corn, followed by clethodim and fenoxaprop-p-ethyl.”
t0“Soybean (Glycine max)”
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