Abstract
Abstract The effect of sulfentrazone application and combination with clomazone or pendimethalin on weed control and phytotoxicity in flue-cured tobacco was evaluated. Weed control from sulfentrazone ranged from 50 to 100% for yellow nutsedge, 17 to 100% for morningglory, 75 to 100% for pigweed, and 64 to 85% for crabgrass. Improved weed control through tank mix combinations of sulfentrazone with clomazone or pendimethalin compared to sulfentrazone alone was observed only on crabgrass. When soil moisture was low at and immediately following transplanting, weed control was reduced with a pretranspant, soil-surface treatment (PRE-T) of sulfentrazone compared to a preplant incorporated treatment (PPI). Stunting from sulfentrazone was observed at five of 18 locations. Stunting ranged from 0– 30% with sulfentrazone alone, 1 to 30% with sulfentrazone plus clomazone, and 4 to 49% with sulfentrazone plus pendimethalin. Stunting was no greater than 13% from PRE-T applications compared to a maximum of 49% with PPI applications of sulfentrazone. Stunting was not consistently affected by the tank mix of sulfentrazone and clomazone, but was generally increased by the combination of sulfentrazone and pendimethalin. No yield differences were observed.
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Claims 14
Claim · model-written summary
Sulfentrazone controlled yellow nutsedge by 50 to 100%.
- Taxon
- flue-cured tobaccot0
- Treatment
- sulfentrazonee0
- Interactor
- yellow nutsedgee0weed
- Outcome
- Weed controle0
- Value
- 50 to 100%e0
Not reportedComparatorDirection
Verbatim
e0“Weed control from sulfentrazone ranged from 50 to 100% for yellow nutsedge”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
Sulfentrazone controlled morningglory by 17 to 100%.
- Taxon
- flue-cured tobaccot0
- Treatment
- sulfentrazonee1
- Interactor
- morningglorye0weed
- Outcome
- morningglorye0
- Value
- 17 to 100%e0
Not reportedComparatorDirection
Verbatim
e0“17 to 100% for morningglory”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
e1“Weed control from sulfentrazone ranged from 50 to 100% for yellow nutsedge”
Claim · model-written summary
Sulfentrazone controlled pigweed by 75 to 100%.
- Taxon
- flue-cured tobaccot0
- Treatment
- sulfentrazonee1
- Interactor
- pigweede0weed
- Outcome
- pigweede0
- Value
- 75 to 100%e0
Not reportedComparatorDirection
Verbatim
e0“75 to 100% for pigweed”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
e1“Weed control from sulfentrazone ranged from 50 to 100% for yellow nutsedge”
Claim · model-written summary
Sulfentrazone controlled crabgrass by 64 to 85%.
- Taxon
- flue-cured tobaccot0
- Treatment
- sulfentrazonee1
- Interactor
- crabgrasse0weed
- Outcome
- crabgrasse0
- Value
- 64 to 85%e0
Not reportedComparatorDirection
Verbatim
e0“64 to 85% for crabgrass”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
e1“Weed control from sulfentrazone ranged from 50 to 100% for yellow nutsedge”
Claim · model-written summary
A sulfentrazone and clomazone tank mix improved crabgrass control over sulfentrazone alone.
Verbatim
e0“Improved weed control through tank mix combinations of sulfentrazone with clomazone or pendimethalin compared to sulfentrazone alone was observed only on crabgrass.”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
A sulfentrazone and pendimethalin tank mix improved crabgrass control over sulfentrazone alone.
Verbatim
e0“Improved weed control through tank mix combinations of sulfentrazone with clomazone or pendimethalin compared to sulfentrazone alone was observed only on crabgrass.”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
At low soil moisture, PRE-T sulfentrazone reduced weed control relative to PPI.
Verbatim
e0“When soil moisture was low at and immediately following transplanting, weed control was reduced with a pretranspant, soil-surface treatment (PRE-T) of sulfentrazone compared to a preplant incorporated treatment (PPI).”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
Sulfentrazone stunted tobacco at five of 18 locations.
Verbatim
e0“Stunting from sulfentrazone was observed at five of 18 locations.”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
Sulfentrazone alone caused 0– 30% stunting.
Not reportedComparatorDirection
Verbatim
e0“Stunting ranged from 0– 30% with sulfentrazone alone”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
Sulfentrazone plus clomazone caused 1 to 30% stunting.
Not reportedComparatorDirection
Verbatim
e0“1 to 30% with sulfentrazone plus clomazone”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
e1“Stunting from sulfentrazone was observed at five of 18 locations.”
Claim · model-written summary
Sulfentrazone plus pendimethalin caused 4 to 49% stunting.
- Taxon
- flue-cured tobaccot0
- Treatment
- sulfentrazone plus pendimethaline0
- Outcome
- Stuntinge1
- Value
- 4 to 49%e0
Not reportedComparatorDirection
Verbatim
e0“4 to 49% with sulfentrazone plus pendimethalin”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
e1“Stunting from sulfentrazone was observed at five of 18 locations.”
Claim · model-written summary
PRE-T sulfentrazone stunting was no greater than 13%, versus a maximum 49% with PPI.
Verbatim
e0“Stunting was no greater than 13% from PRE-T applications compared to a maximum of 49% with PPI applications of sulfentrazone.”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
Clomazone tank mixing did not consistently affect stunting.
Not reportedComparatorDirection
Verbatim
e0“Stunting was not consistently affected by the tank mix of sulfentrazone and clomazone”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
Claim · model-written summary
Yield did not differ among treatments.
Verbatim
e0“No yield differences were observed.”
t0“flue-cured tobacco”
t1“flue-cured tobacco”
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See all 6 papers →pendimethalin · crop injury · Nicotiana tabacum (tobacco)Results agree
1 paper in the same direction as this paper
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pendimethalin · weed · Nicotiana tabacum (tobacco)Results agree
1 paper in the same direction as this paper
- positive
clomazone · weed · Nicotiana tabacum (tobacco)Results agree
3 papers in the same direction as this paper
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- positive
- positive
sulfentrazone · weed · Nicotiana tabacum (tobacco)Results agree
4 papers in the same direction as this paper
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See all 5 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.