Abstract
Studies were conducted at Clayton, Lewiston-Woodville, and Rocky Mount, NC, to evaluate weed and cotton response to herbicide systems in glyphosate-resistant cotton in 1995 and 1997. Herbicide systems evaluated included various combinations of soil-applied (trifluralin and fluometuron) and postemergence (POST) (glyphosate or pyrithiobac) herbicides with or without late postemergence-directed (LAYBY) treatments of cyanazine plus MSMA. Glyphosate-resistant cotton injury was less than 5% with all herbicide treatments. Glyphosate POST systems were as efficacious in weed control as other herbicide systems. Depending on location, glyphosate and pyrithiobac POST systems usually required cyanazine plus MSMA LAYBY for season-long control of common lambsquarters, goosegrass, large crabgrass, pitted morningglory, prickly sida, and Texas panicum. Glyphosate POST applied as needed provided weed control equivalent to soil-applied plus POST herbicides, although lint yield was slightly reduced depending on location. Herbicide systems that included soil-applied herbicides required one to two treatments of glyphosate POST and post-directed for season-long weed control and high cotton lint yields, whereas the same herbicide systems without soil-applied herbicides required two to three glyphosate treatments. In all herbicide systems, a residual soil-applied or LAYBY herbicide treatment increased yield compared with glyphosate POST only systems. Location influenced weed control and cotton yield. Generally, as herbicide inputs increased, yield increased.
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Claims 10
Claim · model-written summary
Injury to glyphosate-resistant cotton was less than 5% with all herbicide treatments.
- Taxon
- cotton
Gossypium hirsutumt0 - Material
- Glyphosate-resistant cottone1
- Treatment
- all herbicide treatmentse1
- Outcome
- cotton injurye1
- Value
- less than 5%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Glyphosate-resistant cotton injury was less than 5% with all herbicide treatments”
Claim · model-written summary
Glyphosate POST systems were as efficacious in weed control as other herbicide systems.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Glyphosate POST systemse1
- Outcome
- weed controle1
- Direction
- as efficaciouse1
- Comparator
- other herbicide systemse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Glyphosate POST systems were as efficacious in weed control as other herbicide systems”
Claim · model-written summary
Cyanazine plus MSMA LAYBY was usually required for season-long control of common lambsquarters and goosegrass in cotton.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- cyanazine plus MSMA LAYBYe1
- Interactor
- common lambsquarters
Chenopodium albume1weed - Second interactor
- goosegrasse1weed
- Outcome
- season-long controle1
- Qualifier
- large crabgrass, pitted morningglory, prickly sida, and Texas panicume1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Depending on location, glyphosate and pyrithiobac POST systems usually required cyanazine plus MSMA LAYBY for season-long control of common lambsquarters, goosegrass, large crabgrass, pitted morningglory, prickly sida, and Texas panicum”
Claim · model-written summary
Glyphosate POST applied as needed gave weed control equivalent to soil-applied plus POST herbicides.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Glyphosate POST applied as needede1
- Outcome
- weed controle1
- Direction
- equivalente1
- Comparator
- soil-applied plus POST herbicidese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Glyphosate POST applied as needed provided weed control equivalent to soil-applied plus POST herbicides, although lint yield was slightly reduced depending on location”
Claim · model-written summary
Glyphosate POST applied as needed slightly reduced lint yield relative to soil-applied plus POST herbicides, depending on location.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Glyphosate POST applied as needede1
- Outcome
- lint yielde1
- Direction
- slightly reducede1
- Qualifier
- depending on locatione1
- Comparator
- soil-applied plus POST herbicidese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Glyphosate POST applied as needed provided weed control equivalent to soil-applied plus POST herbicides, although lint yield was slightly reduced depending on location”
Claim · model-written summary
Systems with soil-applied herbicides required one to two glyphosate POST and post-directed treatments.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- soil-applied herbicidese1
- Outcome
- treatments of glyphosate POST and post-directede1
- Value
- one to twoe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Herbicide systems that included soil-applied herbicides required one to two treatments of glyphosate POST and post-directed for season-long weed control and high cotton lint yields, whereas the same herbicide systems without soil-applied herbicides required two to three glyphosate treatments”
Claim · model-written summary
Without soil-applied herbicides, two to three glyphosate treatments were required.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- without soil-applied herbicidese1
- Outcome
- glyphosate treatmentse1
- Value
- two to threee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Herbicide systems that included soil-applied herbicides required one to two treatments of glyphosate POST and post-directed for season-long weed control and high cotton lint yields, whereas the same herbicide systems without soil-applied herbicides required two to three glyphosate treatments”
Claim · model-written summary
A residual soil-applied or LAYBY herbicide treatment increased cotton yield compared with glyphosate POST only systems.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- a residual soil-applied or LAYBY herbicide treatmente1
- Outcome
- yielde1
- Direction
- increasede1
- Comparator
- glyphosate POST only systemse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“In all herbicide systems, a residual soil-applied or LAYBY herbicide treatment increased yield compared with glyphosate POST only systems”
Claim · model-written summary
Location influenced weed control and cotton yield.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- weed control and cotton yielde1
- Direction
- influencede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Location influenced weed control and cotton yield”
Claim · model-written summary
Generally, yield increased as herbicide inputs increased.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- herbicide inputse1
- Outcome
- yielde1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Management Systems in Glyphosate-Resistant Cotton”
e1“Generally, as herbicide inputs increased, yield increased”
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