Abstract
Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990. The performance of butylate and cyanazine (B + C), applied to suppress PANMI early in the season and to provide a height differential between corn and PANMI, greatly influenced PANMI control with PDIR treatments. PDIR treatments controlled PANMI greater than 90% when PANMI was effectively suppressed by B + C, but poor PANMI suppression reduced PDIR herbicide efficacy. Generally, PDIR treatments of paraquat or sethoxydim most effectively controlled PANMI. Paraquat alone at 545 g ha –1 or combined with simazine or sethoxydim at 57 and 114 g ha –1 , and sethoxydim at 170 and 227 g ha –1 plus an adjuvant controlled PANMI greater than 95%. PDIR applications of ametryn, linuron, sethoxydim at 57 to 227 g ha –1 alone, sethoxydim at less than 114 g ha –1 plus an adjuvant, and sethoxydim at 114 g ha –1 tank mixed with either of four other herbicides controlled less than 86% of PANMI. Tank mixing a photosynthetic inhibitor or sethoxydim with paraquat did not improve PANMI control compared with paraquat alone. PANMI control with sethoxydim plus an adjuvant at 114 g ha –1 was similar to 227 g ha –1 . There was no difference in PANMI control with sethoxydim applied with crop oil concentrate or BCH-815. With the exception of glyphosate at 318 g ha –1 and sethoxydim at 227 g ha –1 plus an adjuvant, PDIR treatments did not injure sweet corn in 1987, 1988, or 1990. However, sethoxydim in 1989 at all rates severely injured corn.
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Claims 7
Claim · model-written summary
Paraquat alone at 545 g ha –1 controlled wild-proso millet by more than 95% in sweet corn.
- Taxon
- sweet corne0
- Treatment
- Paraquat alone at 545 g ha –1e1
- Interactor
- wild-proso millete0weed
- Outcome
- PANMIe1
- Direction
- controllede1
- Value
- greater than 95%e1
- Setting
- Wisconsine0
Not reportedComparator
Verbatim
e0“Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990.”
e1“Paraquat alone at 545 g ha –1 or combined with simazine or sethoxydim at 57 and 114 g ha –1 , and sethoxydim at 170 and 227 g ha –1 plus an adjuvant controlled PANMI greater than 95%”
Claim · model-written summary
Sethoxydim at 170 and 227 g ha –1 plus an adjuvant controlled wild-proso millet by more than 95% in sweet corn.
- Taxon
- sweet corne0
- Treatment
- sethoxydim at 170 and 227 g ha –1 plus an adjuvante1
- Interactor
- wild-proso millete0weed
- Outcome
- PANMIe1
- Direction
- controllede1
- Value
- greater than 95%e1
- Setting
- Wisconsine0
Not reportedComparator
Verbatim
e0“Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990.”
e1“Paraquat alone at 545 g ha –1 or combined with simazine or sethoxydim at 57 and 114 g ha –1 , and sethoxydim at 170 and 227 g ha –1 plus an adjuvant controlled PANMI greater than 95%”
Claim · model-written summary
PDIR applications of ametryn, linuron and sethoxydim at 57 to 227 g ha –1 alone controlled less than 86% of wild-proso millet in sweet corn.
- Taxon
- sweet corne0
- Treatment
- ametryn, linuron, sethoxydim at 57 to 227 g ha –1 alonee2
- Interactor
- wild-proso millete0weed
- Outcome
- PANMIe2
- Direction
- controllede2
- Value
- less than 86%e2
Not reportedComparator
Verbatim
e0“Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990.”
e2“PDIR applications of ametryn, linuron, sethoxydim at 57 to 227 g ha –1 alone, sethoxydim at less than 114 g ha –1 plus an adjuvant, and sethoxydim at 114 g ha –1 tank mixed with either of four other herbicides controlled less than 86% of PANMI”
Claim · model-written summary
Tank mixing sethoxydim or a photosynthetic inhibitor with paraquat did not improve wild-proso millet control compared with paraquat alone.
Verbatim
e0“Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990.”
e3“Tank mixing a photosynthetic inhibitor or sethoxydim with paraquat did not improve PANMI control compared with paraquat alone”
Claim · model-written summary
Sethoxydim applied with crop oil concentrate gave the same wild-proso millet control as with BCH-815.
Verbatim
e0“Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990.”
e4“There was no difference in PANMI control with sethoxydim applied with crop oil concentrate or BCH-815”
Claim · model-written summary
Sethoxydim in 1989 at all rates severely injured sweet corn.
Not reportedComparator
Verbatim
e0“Thirty-six postemergence-directed (PDIR) herbicide treatments, applied with a precision PDIR sprayer, were evaluated for wild-proso millet (PANMI) control in sweet corn field trials in Wisconsin from 1987 to 1990.”
e5“However, sethoxydim in 1989 at all rates severely injured corn”
Claim · model-written summary
PDIR treatments did not injure sweet corn in 1987, 1988 or 1990.
Not reportedComparator
Verbatim
e6“PDIR treatments did not injure sweet corn in 1987, 1988, or 1990”
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