Abstract
Field studies were conducted during the years 2000 to 2003 at Stoneville, MS, to determine the efficacy of fall deep tillage and glyphosate applications on redvine and trumpetcreeper populations and soybean yield in glyphosate-resistant soybean. Fall deep (≈45 cm) tillage for 1, 2, and 3 yr reduced redvine density by 95, 88, and 97%, respectively, compared with shallow (≈15 cm) tillage, but deep tillage did not reduce trumpetcreeper density. Glyphosate applied preplant reduced trumpetcreeper density (25 to 44%), but not redvine density, compared to that with no glyphosate. Glyphosate early postemergence (EPOST) either alone (45 to 67%) or followed by (fb) late postemergence (LPOST; 59 to 83%) reduced density of trumpetcreeper, but not of redvine, compared to that with no herbicide. However, dry biomass of both vines was reduced with glyphosate EPOST or LPOST compared to that with no herbicide. Soybean yields were higher with deep tillage vs. shallow tillage, glyphosate preplant application vs. no glyphosate, and glyphosate EPOST either alone or fb LPOST vs. no herbicide. Redvine did not reestablish in 2003, which was after skipping fall deep tillage for 1 yr following three consecutive years of deep tillage compared with shallow tillage. It is possible to manage redvine infestations with fall deep tillage and trumpetcreeper infestations with glyphosate preplant and postemergence (POST) in-crop applications. Integration of fall deep tillage and glyphosate POST applications could be an effective strategy to manage combined infestations of these vines in glyphosate-resistant soybean.
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Claims 15
Claim · model-written summary
Deep tillage for one year reduced redvine density by 95%.
- Taxon
- soybean
Glycine maxt0 - Treatment
- Fall deep (≈45 cm) tillage for 1e0
- Interactor
- redvinee0weed
- Outcome
- redvine densitye0
- Direction
- reducede0
- Value
- 95e0
- Comparator
- shallow (≈15 cm) tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fall deep (≈45 cm) tillage for 1, 2, and 3 yr reduced redvine density by 95, 88, and 97%, respectively, compared with shallow (≈15 cm) tillage”
t0“soybean”
Claim · model-written summary
Deep tillage for two years reduced redvine density by 88%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Fall deep (≈45 cm) tillagee0
- Interactor
- redvinee0weed
- Outcome
- redvine densitye0
- Direction
- reducede0
- Value
- 88e0
- Comparator
- shallow (≈15 cm) tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fall deep (≈45 cm) tillage for 1, 2, and 3 yr reduced redvine density by 95, 88, and 97%, respectively, compared with shallow (≈15 cm) tillage”
t0“soybean”
Claim · model-written summary
Deep tillage for three years reduced redvine density by 97%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Fall deep (≈45 cm) tillagee0
- Interactor
- redvinee0weed
- Outcome
- redvine densitye0
- Direction
- reducede0
- Value
- 97%e0
- Comparator
- shallow (≈15 cm) tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fall deep (≈45 cm) tillage for 1, 2, and 3 yr reduced redvine density by 95, 88, and 97%, respectively, compared with shallow (≈15 cm) tillage”
t0“soybean”
Claim · model-written summary
Deep tillage did not reduce trumpetcreeper density.
- Taxon
- soybeanGlycine maxt0
- Treatment
- deep tillagee0
- Interactor
- trumpetcreeper
Campsis radicanse0weed - Outcome
- trumpetcreeper densitye0
- Direction
- did not reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“deep tillage did not reduce trumpetcreeper density”
t0“soybean”
Claim · model-written summary
Preplant glyphosate reduced trumpetcreeper density by 25 to 44%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Glyphosate applied preplante0
- Interactor
- trumpetcreeperCampsis radicanse0weed
- Outcome
- trumpetcreeper densitye0
- Direction
- reducede0
- Value
- 25 to 44%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate applied preplant reduced trumpetcreeper density (25 to 44%)”
t0“soybean”
Claim · model-written summary
Preplant glyphosate did not reduce redvine density.
- Taxon
- soybeanGlycine maxt0
- Treatment
- glyphosatee0
- Interactor
- redvinee0weed
- Outcome
- redvine densitye0
- Direction
- note0
- Comparator
- no glyphosatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not redvine density, compared to that with no glyphosate”
t0“soybean”
Claim · model-written summary
Early postemergence glyphosate alone reduced trumpetcreeper density by 45 to 67%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Glyphosate early postemergence (EPOST) either alonee0
- Interactor
- trumpetcreeperCampsis radicanse0weed
- Outcome
- density of trumpetcreepere0
- Direction
- reducede0
- Value
- 45 to 67%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate early postemergence (EPOST) either alone (45 to 67%) or followed by (fb) late postemergence (LPOST; 59 to 83%) reduced density of trumpetcreeper”
t0“soybean”
Claim · model-written summary
Early followed by late postemergence glyphosate reduced trumpetcreeper density by 59 to 83%.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Glyphosate early postemergence (EPOST)e0
- Interactor
- trumpetcreeperCampsis radicanse0weed
- Outcome
- density of trumpetcreepere0
- Direction
- reducede0
- Value
- 59 to 83%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate early postemergence (EPOST) either alone (45 to 67%) or followed by (fb) late postemergence (LPOST; 59 to 83%) reduced density of trumpetcreeper”
t0“soybean”
Claim · model-written summary
Postemergence glyphosate did not reduce redvine density.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Glyphosatee1
- Interactor
- redvinee0weed
- Outcome
- redvinee0
- Direction
- note0
- Comparator
- no herbicidee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not of redvine, compared to that with no herbicide”
t0“soybean”
e1“Glyphosate early postemergence (EPOST)”
Claim · model-written summary
Postemergence glyphosate reduced dry biomass of both vines.
- Taxon
- soybeanGlycine maxt0
- Treatment
- glyphosate EPOST or LPOSTe0
- Interactor
- redvinet0weed
- Second interactor
- trumpetcreeperCampsis radicanst0weed
- Outcome
- dry biomass of both vinese0
- Direction
- reducede0
- Comparator
- no herbicidee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry biomass of both vines was reduced with glyphosate EPOST or LPOST compared to that with no herbicide”
t0“redvine (Brunnichia ovata) and trumpetcreeper (Campsis radicans) Populations in Glyphosate-Resistant Soybean”
Claim · model-written summary
Deep tillage increased soybean yield relative to shallow tillage.
- Taxon
- SoybeanGlycine maxe0
- Treatment
- deep tillagee0
- Outcome
- Soybean yieldse0
- Direction
- highere0
- Comparator
- shallow tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean yields were higher with deep tillage vs. shallow tillage”
Claim · model-written summary
Preplant glyphosate increased soybean yield.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- glyphosate preplant applicatione0
- Outcome
- Soybean yieldse1
- Direction
- highere1
- Comparator
- no glyphosatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“glyphosate preplant application vs. no glyphosate”
t0“Soybean”
e1“Soybean yields were higher with deep tillage vs. shallow tillage”
Claim · model-written summary
Postemergence glyphosate increased soybean yield.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- glyphosate EPOST either alone or fb LPOSTe0
- Outcome
- Soybean yieldse1
- Direction
- highere1
- Comparator
- no herbicidee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“glyphosate EPOST either alone or fb LPOST vs. no herbicide”
t0“Soybean”
e1“Soybean yields were higher with deep tillage vs. shallow tillage”
Claim · model-written summary
Redvine did not reestablish after a year without deep tillage following three years of deep tillage.
- Taxon
- soybeanGlycine maxt0
- Interactor
- Redvinee0weed
- Outcome
- Redvine did not reestablishe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Redvine did not reestablish in 2003, which was after skipping fall deep tillage for 1 yr following three consecutive years of deep tillage compared with shallow tillage”
t0“soybean”
Claim · model-written summary
Integrating deep tillage and postemergence glyphosate could manage combined vine infestations.
- Taxon
- soybeanGlycine maxe0
- Outcome
- Integration of fall deep tillage and glyphosate POST applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Integration of fall deep tillage and glyphosate POST applications could be an effective strategy to manage combined infestations of these vines in glyphosate-resistant soybean”
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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.