Abstract
Abstract Sugar beet with three-way resistance to dicamba, glufosinate, and glyphosate may provide sugar beet growers with additional herbicide options for management of glyphosate-resistant (GR) weed species such as Palmer amaranth and kochia. Field trials were conducted near Scottsbluff, Nebraska; Lingle, Wyoming; Kimberly, Idaho; and Ontario, Oregon in 2023, to compare the effectiveness of dicamba (549 g ae ha −1 ) + glyphosate (1,260 g ae ha −1 ) applied preemergence, and postemergence combinations of dicamba + glyphosate, glyphosate, and glufosinate (656 g ai ha −1 ) to manage weeds in sugar beet crops. Common lambsquarters, redroot pigweed, and GR kochia were present at the Idaho, Oregon, and Wyoming locations; and common lambsquarters and GR Palmer amaranth were present in Nebraska. Dicamba + glyphosate applied preemergence reduced common lambsquarters, redroot pigweed, and GR kochia compared with glyphosate applied alone. Common lambsquarters density was higher in plots where glufosinate had been applied early postemergence compared with dicamba + glyphosate and glyphosate applied alone. Glufosinate and dicamba + glyphosate applied early or late postemergence reduced GR Palmer amaranth density relative to glyphosate alone applied early or late postemergence. Postemergence applications had no significant effect on redroot pigweed or GR kochia density. Based on the findings of this research, sugar beet with three-way resistance to dicamba, glufosinate, and glyphosate will bring two additional sites of action to be used both preemergence and postemergence, providing improved weed control compared to currently available technology.
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Claims 10
Claim · model-written summary
Preemergence dicamba plus glyphosate reduced common lambsquarters relative to glyphosate alone.
- Taxon
- Sugar beet
Beta vulgaris subsp. vulgarist0 - Treatment
- Dicamba + glyphosate applied preemergencee0
- Interactor
- common lambsquarters
Chenopodium albume0weed - Outcome
- common lambsquarterse0
- Direction
- reducede0
- Comparator
- glyphosate applied alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dicamba + glyphosate applied preemergence reduced common lambsquarters, redroot pigweed, and GR kochia compared with glyphosate applied alone”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Preemergence dicamba plus glyphosate reduced redroot pigweed relative to glyphosate alone.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- Dicamba + glyphosate applied preemergencee0
- Interactor
- redroot pigweede0weed
- Outcome
- redroot pigweede0
- Direction
- reducede0
- Comparator
- glyphosate applied alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dicamba + glyphosate applied preemergence reduced common lambsquarters, redroot pigweed, and GR kochia compared with glyphosate applied alone”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Preemergence dicamba plus glyphosate reduced GR kochia relative to glyphosate alone.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- Dicamba + glyphosate applied preemergencee0
- Interactor
- GR kochiae0weed
- Outcome
- GR kochiae0
- Direction
- reducede0
- Comparator
- glyphosate applied alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dicamba + glyphosate applied preemergence reduced common lambsquarters, redroot pigweed, and GR kochia compared with glyphosate applied alone”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Early postemergence glufosinate had higher common lambsquarters density than dicamba plus glyphosate.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- glufosinate had been applied early postemergencee0
- Interactor
- Common lambsquartersChenopodium albume0weed
- Outcome
- Common lambsquarters densitye0
- Direction
- highere0
- Comparator
- dicamba + glyphosatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common lambsquarters density was higher in plots where glufosinate had been applied early postemergence compared with dicamba + glyphosate and glyphosate applied alone”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Early postemergence glufosinate had higher common lambsquarters density than glyphosate alone.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- glufosinate had been applied early postemergencee0
- Interactor
- Common lambsquartersChenopodium albume0weed
- Outcome
- Common lambsquarters densitye0
- Direction
- highere0
- Comparator
- glyphosate applied alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Common lambsquarters density was higher in plots where glufosinate had been applied early postemergence compared with dicamba + glyphosate and glyphosate applied alone”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Early or late glufosinate reduced GR Palmer amaranth density against glyphosate alone.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- Glufosinatee0
- Interactor
- GR Palmer amaranthe0weed
- Outcome
- GR Palmer amaranth densitye0
- Direction
- reducede0
- Qualifier
- early or late postemergencee0
- Comparator
- glyphosate alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glufosinate and dicamba + glyphosate applied early or late postemergence reduced GR Palmer amaranth density relative to glyphosate alone applied early or late postemergence”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Early or late dicamba plus glyphosate reduced GR Palmer amaranth density against glyphosate alone.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- dicamba + glyphosatee0
- Interactor
- GR Palmer amaranthe0weed
- Outcome
- GR Palmer amaranth densitye0
- Direction
- reducede0
- Qualifier
- early or late postemergencee0
- Comparator
- glyphosate alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glufosinate and dicamba + glyphosate applied early or late postemergence reduced GR Palmer amaranth density relative to glyphosate alone applied early or late postemergence”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Postemergence applications did not significantly affect redroot pigweed density.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- Postemergence applicationse0
- Interactor
- redroot pigweede0weed
- Outcome
- redroot pigweede0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Postemergence applications had no significant effect on redroot pigweed or GR kochia density”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
Postemergence applications did not significantly affect GR kochia density.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarist0
- Treatment
- Postemergence applicationse0
- Interactor
- GR kochiae0weed
- Outcome
- GR kochia densitye0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Postemergence applications had no significant effect on redroot pigweed or GR kochia density”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
Claim · model-written summary
The three-way resistant sugar beet technology is expected to improve weed control.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarist0
- Outcome
- improved weed controle0
- Comparator
- currently available technologye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“providing improved weed control compared to currently available technology”
t0“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
t1“Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States”
The same questions in other papers
glyphosate · Chenopodium album · Beta vulgaris (beet)Results agree
1 paper in the same direction as this paper
- positive
herbicide · Chenopodium album · Beta vulgaris (beet)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.