Abstract
Separate field experiments were conducted to evaluate weed control and cotton response to flumioxazin in North Carolina. Flumioxazin postemergence directed (PD) at 70 g ai/ha applied alone or mixed with glyphosate or MSMA completely controlled common lambsquarters, common ragweed, entireleaf morningglory, ivyleaf morningglory, Palmer amaranth, pitted morningglory, prickly sida, sicklepod, smooth pigweed, and tall morningglory 4 wk after treatment. Glyphosate at 1,120 g ai/ha controlled sicklepod and entireleaf, ivyleaf, pitted, and tall morningglory less than flumioxazin. Weed-free experiments were conducted to evaluate cotton injury, fresh biomass reduction, and yield response to flumioxazin at 70 g ai/ha preplant (PP) and two rates PD. Nine PP applications were made at various timings between 0 and 10 wk prior to planting. Cotton was stunted 12% initially, and midseason cotton biomass was reduced when flumioxazin was applied at planting in 1 yr. Flumioxazin did not injure 15- or 30-cm–tall cotton when applied PD at 36 or 70 g/ha. Cotton yield differed between years, but was not affected by various flumioxazin treatments compared with commercial standards and nontreated controls.Nomenclature: Flumioxazin; glyphosate; MSMA; common lambsquarters, Chenopodium album L. #3 CHEAL; common ragweed, Ambrosia artemisiifolia L. # AMBEL; entireleaf morningglory, Ipomoea hederacea var. integriuscula Gray # IPOHG; ivyleaf morningglory, Ipomoea hederacea (L.) Jacq. # IPOHE; Palmer amaranth, Amaranthus palmeri S.Wats. # AMAPA; pitted morningglory, Ipomoea lacunosa L. # IPOLA; prickly sida, Sida spinosa L. # SIDSP; sicklepod, Senna obtusifolia Irwin and Banaby # CASOB; smooth pigweed, Amaranthus hybridus L. # AMACH; tall morningglory, Ipomoea purpurea (L.) Roth # PHBPU; cotton, Gossypium hirsutum L. ‘Deltapine 51’, ‘Suregrow 125’.Additional index words: Burn-down application, fresh biomass, injury, LAYBY, stale seedbed.Abbreviations: LAYBY, the last postemergence-directed herbicide application; PD, postemergence directed; POST, postemergence; PP, preplant; PRE, preemergence; WAP, weeks after planting.
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Claims 7
Claim · model-written summary
Directed flumioxazin alone or in mixtures completely controlled the listed weeds after four weeks.
- Taxon
- common lambsquarters
Chenopodium albume0 - Treatment
- Flumioxazin postemergence directed (PD) at 70 g ai/hae0
- Outcome
- controlled common lambsquarters, common ragweed, entireleaf morningglory, ivyleaf morningglory, Palmer amaranth, pitted morningglory, prickly sida, sicklepod, smooth pigweed, and tall morningglorye0
- Direction
- completely controllede0
- Qualifier
- 4 wk after treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flumioxazin postemergence directed (PD) at 70 g ai/ha applied alone or mixed with glyphosate or MSMA completely controlled common lambsquarters, common ragweed, entireleaf morningglory, ivyleaf morningglory, Palmer amaranth, pitted morningglory, prickly sida, sicklepod, smooth pigweed, and tall morningglory 4 wk after treatment.”
Claim · model-written summary
Glyphosate controlled sicklepod and five morningglories less than flumioxazin.
Verbatim
e0“Glyphosate at 1,120 g ai/ha controlled sicklepod and entireleaf, ivyleaf, pitted, and tall morningglory less than flumioxazin.”
Claim · model-written summary
Preplant flumioxazin at planting initially stunted cotton by 12%.
- Taxon
- Cotton
Gossypium hirsutume0 - Treatment
- flumioxazin was applied at plantinge0
- Outcome
- Cotton was stuntede0
- Direction
- stuntede0
- Value
- 12%e0
- Qualifier
- in 1 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton was stunted 12% initially, and midseason cotton biomass was reduced when flumioxazin was applied at planting in 1 yr.”
Claim · model-written summary
Flumioxazin at planting reduced midseason cotton biomass in one year.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- flumioxazin was applied at plantinge0
- Outcome
- midseason cotton biomasse0
- Direction
- reducede0
- Qualifier
- in 1 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“midseason cotton biomass was reduced when flumioxazin was applied at planting in 1 yr.”
Claim · model-written summary
Directed flumioxazin did not injure 15- or 30-cm-tall cotton at either tested rate.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- Flumioxazine0
- Outcome
- injuree0
- Direction
- did not injuree0
- Qualifier
- 15- or 30-cm–talle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flumioxazin did not injure 15- or 30-cm–tall cotton when applied PD at 36 or 70 g/ha.”
Claim · model-written summary
Cotton yield differed between years.
- Taxon
- CottonGossypium hirsutume0
- Outcome
- Cotton yielde0
- Direction
- differede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton yield differed between years”
Claim · model-written summary
Flumioxazin treatments did not affect cotton yield relative to standards or untreated controls.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- various flumioxazin treatmentse0
- Outcome
- Cotton yielde0
- Direction
- was not affectede0
- Comparator
- commercial standards and nontreated controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton yield differed between years, but was not affected by various flumioxazin treatments compared with commercial standards and nontreated controls.”
The same questions in other papers
flumioxazin · yield · Gossypium hirsutum (cotton)Results differ
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
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flumioxazin · growth · Gossypium hirsutum (cotton)Positive and negative results
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flumioxazin · organism · Gossypium hirsutum (cotton)Positive and negative results
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1 paper more in this group
See all 5 papers →herbicide · control · Chenopodium album (common lambsquarters)Positive and negative results
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- no effect
- positive
- positive
1 paper more in this group
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.