Abstract
In the southeastern United States many farmers double-crop winter wheat with soybean or cotton. However, there is little information about residual injury of herbicides used in wheat to these rotational crops. Experiments were conducted from 2007 to 2008 and 2008 to 2009 in soft red winter wheat to evaluate response of rotational crops of soybean and cotton after application of various acetolactate synthase herbicides in wheat. Pyroxsulam, mesosulfuron, sulfosulfuron, propoxycarbazone, or chlorsulfuron plus metsulfuron at multiple rates were applied to wheat approximately 110 to 120 d before planting rotational crops. Soils were Tift loamy sand at Ty Ty, GA and Faceville sandy loam at Plains, GA. After wheat harvest, soybean (‘Pioneer 97M50’) and cotton (‘DP 0949 B2RF’) were strip-tillage planted and evaluated for injury, stand density, height over time, and yields. For both locations, wheat was tolerant to all herbicide treatments with little to no visible injury 7 to 90 d after application. Pyroxsulam injury was less than sulfosulfuron or mesosulfuron. At recommended use rates, wheat injury was transient with no effect on yield. Double-crop soybean for both locations had no differences in stand establishment for any herbicide treatments. There was significant carryover injury to soybean and cotton for sulfosulfuron applied to wheat for the Faceville sandy loam. There was no effect of herbicide treatment on cotton stand. There was little to no difference in residual activity on rotational crops between pyroxsulam and other wheat herbicides when labeled rates were applied. This is significant as pyroxsulam is used to control Italian ryegrass and wild radish in this region.
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Claims 10
Claim · model-written summary
Wheat tolerated all herbicide treatments with little or no visible injury.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- all herbicide treatmentse0
- Outcome
- visible injurye0
- Direction
- little to noe0
- Qualifier
- 7 to 90 d after applicatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat was tolerant to all herbicide treatments with little to no visible injury 7 to 90 d after application”
Claim · model-written summary
Pyroxsulam caused less wheat injury than sulfosulfuron.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Pyroxsulame0
- Outcome
- injurye0
- Direction
- lesse0
- Comparator
- sulfosulfurone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pyroxsulam injury was less than sulfosulfuron or mesosulfuron”
t0“Wheat”
Claim · model-written summary
Pyroxsulam caused less wheat injury than mesosulfuron.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Pyroxsulame0
- Outcome
- injurye0
- Direction
- lesse0
- Comparator
- mesosulfurone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pyroxsulam injury was less than sulfosulfuron or mesosulfuron”
t0“Wheat”
Claim · model-written summary
At recommended use rates, wheat injury was transient.
- Taxon
- wheatTriticum aestivume0
- Outcome
- wheat injurye0
- Qualifier
- At recommended use ratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At recommended use rates, wheat injury was transient”
Claim · model-written summary
Recommended herbicide use rates did not affect wheat yield.
- Taxon
- wheatTriticum aestivume0
- Treatment
- recommended use ratese0
- Outcome
- yielde0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At recommended use rates, wheat injury was transient with no effect on yield”
Claim · model-written summary
Soybean stand establishment did not differ among herbicide treatments at either location.
- Taxon
- soybean
Glycine maxe0 - Treatment
- any herbicide treatmentse0
- Outcome
- stand establishmente0
- Direction
- no differencese0
- Qualifier
- both locationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Double-crop soybean for both locations had no differences in stand establishment for any herbicide treatments”
Claim · model-written summary
Sulfosulfuron carryover significantly injured soybean on Faceville sandy loam.
- Taxon
- soybeanGlycine maxe0
- Treatment
- sulfosulfuron applied to wheate0
- Outcome
- carryover injury to soybeane0
- Setting
- Faceville sandy loame0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant carryover injury to soybean and cotton for sulfosulfuron applied to wheat for the Faceville sandy loam”
Claim · model-written summary
Sulfosulfuron carryover significantly injured cotton on Faceville sandy loam.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- sulfosulfuron applied to wheate0
- Outcome
- carryover injury to soybean and cottone0
- Setting
- Faceville sandy loame0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant carryover injury to soybean and cotton for sulfosulfuron applied to wheat for the Faceville sandy loam”
Claim · model-written summary
Herbicide treatment did not affect cotton stand.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- herbicide treatmente0
- Outcome
- cotton stande0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no effect of herbicide treatment on cotton stand”
Claim · model-written summary
At labeled rates, pyroxsulam and other wheat herbicides showed little to no difference in residual activity on rotational crops.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- pyroxsulame0
- Outcome
- residual activity on rotational cropse0
- Direction
- little to no differencee0
- Qualifier
- when labeled rates were appliede0
- Comparator
- other wheat herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was little to no difference in residual activity on rotational crops between pyroxsulam and other wheat herbicides when labeled rates were applied”
t0“Cotton and Soybean”
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See all 122 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.