Abstract
Historically, weed control in cotton (Gossypium hirsutum L.) relied upon a combination of tillage, soil-applied herbicides, postemergencedirected herbicides, and hand weeding. More recently, weed control in cotton has become heavily reliant on transgenic technologies. Glyphosate-resistant and enhanced glyphosateresistant cotton were commercialized in 1997 and 2006, respectively. Glufosinate-resistant cotton was commercialized in 2004. Although Monsanto Company has been the traditional provider of glyphosate-resistant technology, Bayer CropScience identified a novel glyphosateresistant gene and released this technology to the market in 2011. In addition, Bayer CropScience introduced glyphosate/glufosinate-resistant cotton containing this new glyphosate-resistant trait plus the existing glufosinate-resistance trait. The new glyphosate-resistant technology is known as GlyTol ™ , whereas the glyphosate/ glufosinate-resistant technology is known as GlyTol ™ + LibertyLink ® . Field experiments were conducted at 14 locations across Arkansas, Louisiana, Mississippi, and Tennessee from 2007 through 2009 to determine cotton response to multiple glyphosate and/or glufosinate applications. Glyphosate-resistant cotton was not visually injured by sequential glyphosate applications. Glyphosate/glufosinate-resistant cotton visual injury was 2% or less when treated with glyphosate, glufosinate, or glyphosate plus glufosinate. A reduction in plant height of up to 4 cm was observed only with the glyphosate/glufosinateresistant cotton after two or three glufosinate applications were made; heights were not reduced by late season. Herbicide applications did not affect boll development or cotton yield. These data indicate GlyTol cotton has excellent tolerance to glyphosate applied topically and GlyTol + LibertyLink cotton has excellent tolerance to topical applications of glyphosate, glufosinate, and glyphosate plus glufosinate.
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Claims 6
Claim · model-written summary
Sequential glyphosate applications caused no visible injury in glyphosate-resistant cotton.
- Taxon
- cotton
Gossypium hirsutume0 - Material
- Glyphosate-resistant cottone0
- Treatment
- sequential glyphosate applicationse0
- Outcome
- visually injurede0
- Direction
- not visually injurede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate-resistant cotton was not visually injured by sequential glyphosate applications”
Claim · model-written summary
Glyphosate/glufosinate-resistant cotton showed no more than 2% visible injury under glyphosate, glufosinate, or both.
- Taxon
- cottonGossypium hirsutume0
- Material
- Glyphosate/glufosinate-resistant cottone0
- Treatment
- glyphosate, glufosinate, or glyphosate plus glufosinatee0
- Outcome
- visual injurye0
- Value
- 2% or lesse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate/glufosinate-resistant cotton visual injury was 2% or less when treated with glyphosate, glufosinate, or glyphosate plus glufosinate”
Claim · model-written summary
Two or three glufosinate applications reduced glyphosate/glufosinate-resistant cotton height by up to 4 cm.
- Taxon
- cottonGossypium hirsutume0
- Material
- glyphosate/glufosinateresistant cottone0
- Treatment
- two or three glufosinate applicationse0
- Outcome
- plant heighte0
- Direction
- reductione0
- Value
- up to 4 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A reduction in plant height of up to 4 cm was observed only with the glyphosate/glufosinateresistant cotton after two or three glufosinate applications were made”
Claim · model-written summary
Cotton height was not reduced by late season.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- heightse0
- Direction
- not reducede0
- Qualifier
- late seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“heights were not reduced by late season”
t0“Cotton”
Claim · model-written summary
Herbicide applications did not affect cotton boll development.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Herbicide applicationse0
- Outcome
- boll developmente0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herbicide applications did not affect boll development or cotton yield”
t0“Cotton”
Claim · model-written summary
Herbicide applications did not affect cotton yield.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- Herbicide applicationse0
- Outcome
- cotton yielde0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herbicide applications did not affect boll development or cotton yield”
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See all 182 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.