Abstract
A field study was conducted for the 2014 and 2015 growing season in Arkansas, Indiana, Illinois, Missouri, Ohio, and Tennessee to determine the effect of cereal rye and either oats, radish, or annual ryegrass on the control of Amaranthus spp. when integrated with comprehensive herbicide programs in glyphosate-resistant and glufosinate-resistant soybean. Amaranthus species included redroot pigweed, waterhemp, and Palmer amaranth. The two herbicide programs included were: a PRE residual herbicide followed by POST application of foliar and residual herbicide (PRE/POST); or PRE residual herbicide followed by POST application of foliar and residual herbicide, followed by another POST application of residual herbicide (PRE/POST/POST). Control was not affected by type of soybean resistance trait. At the end of the season, herbicides controlled 100 and 96% of the redroot pigweed and Palmer amaranth, respectively, versus 49 and 29% in the absence of herbicides, averaged over sites and other factors. The PRE/POST and PRE/POST/POST herbicide treatments controlled 83 and 90% of waterhemp at the end of the season, respectively, versus 14% without herbicide. Cover crop treatments affected control of waterhemp and Palmer amaranth and soybean yield, only in the absence of herbicides. The rye cover crop consistently reduced Amaranthus spp. density in the absence of herbicides compared to no cover treatment.
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Claims 9
Claim · model-written summary
Soybean resistance trait type did not affect Amaranthus control.
- Taxon
- soybean
Glycine maxe0 - Material
- soybean resistance traite0
- Outcome
- Controle0
- Direction
- not affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Control was not affected by type of soybean resistance trait.”
Claim · model-written summary
Herbicides controlled 100% of redroot pigweed versus 49% without herbicides.
- Treatment
- herbicidese0
- Interactor
- redroot pigweede0weed
- Outcome
- redroot pigweede0
- Direction
- controllede0
- Value
- 100e0
- Comparator
- absence of herbicidese0
Not reportedTaxon
Verbatim
e0“herbicides controlled 100 and 96% of the redroot pigweed and Palmer amaranth, respectively, versus 49 and 29% in the absence of herbicides”
Claim · model-written summary
Herbicides controlled 96% of Palmer amaranth versus 29% without herbicides.
- Treatment
- herbicidese0
- Interactor
- Palmer amaranthe0weed
- Outcome
- Palmer amaranthe0
- Direction
- controllede0
- Value
- 96%e0
- Comparator
- absence of herbicidese0
Not reportedTaxon
Verbatim
e0“herbicides controlled 100 and 96% of the redroot pigweed and Palmer amaranth, respectively, versus 49 and 29% in the absence of herbicides”
Claim · model-written summary
PRE/POST herbicides controlled 83% of waterhemp versus 14% without herbicide.
- Treatment
- PRE/POSTe0
- Interactor
- waterhempe0weed
- Outcome
- waterhempe0
- Direction
- controllede0
- Value
- 83e0
- Comparator
- without herbicidee0
Not reportedTaxon
Verbatim
e0“The PRE/POST and PRE/POST/POST herbicide treatments controlled 83 and 90% of waterhemp at the end of the season, respectively, versus 14% without herbicide.”
Claim · model-written summary
PRE/POST/POST herbicides controlled 90% of waterhemp versus 14% without herbicide.
- Treatment
- PRE/POST/POSTe0
- Interactor
- waterhempe0weed
- Outcome
- waterhempe0
- Direction
- controllede0
- Value
- 90%e0
- Comparator
- without herbicidee0
Not reportedTaxon
Verbatim
e0“The PRE/POST and PRE/POST/POST herbicide treatments controlled 83 and 90% of waterhemp at the end of the season, respectively, versus 14% without herbicide.”
Claim · model-written summary
Cover crop treatments affected waterhemp control only without herbicides.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Cover crop treatmentse0
- Interactor
- waterhempe0weed
- Outcome
- control of waterhempe0
- Comparator
- absence of herbicidese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cover crop treatments affected control of waterhemp and Palmer amaranth and soybean yield, only in the absence of herbicides.”
Claim · model-written summary
Cover crop treatments affected Palmer amaranth control only without herbicides.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Cover crop treatmentse0
- Interactor
- Palmer amaranthe0weed
- Outcome
- Palmer amaranthe0
- Comparator
- absence of herbicidese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cover crop treatments affected control of waterhemp and Palmer amaranth and soybean yield, only in the absence of herbicides.”
Claim · model-written summary
Cover crop treatments affected soybean yield only without herbicides.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Cover crop treatmentse0
- Outcome
- soybean yielde0
- Comparator
- absence of herbicidese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cover crop treatments affected control of waterhemp and Palmer amaranth and soybean yield, only in the absence of herbicides.”
Claim · model-written summary
Rye cover crop reduced Amaranthus density relative to no cover without herbicides.
- Treatment
- rye cover crope0
- Interactor
- Amaranthus spp.
_with_green_foliage%2C_photographed_in_Tamil_Nadu%2C_India.jpg?width=60)
Amaranthuse0weed - Outcome
- Amaranthus spp. densitye0
- Direction
- reducede0
- Comparator
- no cover treatmente0
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_with_green_foliage%2C_photographed_in_Tamil_Nadu%2C_India.jpg?width=500)
Verbatim
e0“The rye cover crop consistently reduced Amaranthus spp. density in the absence of herbicides compared to no cover treatment.”
The same questions in other papers
cover crop · control · Glycine max (soybean)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →cover crop · organism · Glycine max (soybean)Positive and negative results
3 papers in the same direction as this paper · 7 in the opposite direction
- no effect
- no effect
- negative
7 papers more in this group
See all 11 papers →herbicide · organism · Glycine max (soybean)Positive and negative results
20 papers in the same direction as this paper · 10 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- negative
28 papers more in this group
See all 32 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.