Abstract
Field experiments were conducted in Louisiana and Mississippi from 2011 through 2013 to evaluate crop injury, weed control, and yield in field corn following pyroxasulfone applied PRE and POST. Pyroxasulfone PRE or POST did not injure corn at any evaluation. Barnyardgrass control was not improved with the addition of any POST treatment to pyroxasulfone alone or atrazine plus pyroxasulfone PRE; however, all POST treatments increased barnyardgrass control to at least 95% at all evaluations following atrazine PRE. All treatments that contained a PRE followed by POST application controlled browntop millet ≥90% at all evaluations. All POST treatments increased ivyleaf morningglory control to ≥92% following atrazine or pyroxasulfone alone PRE. However, control with atrazine plus pyroxasulfone PRE was similar or greater 28 d after POST than all treatments that received a POST application. In the absence of a POST treatment, pyroxasulfone or atrazine plus pyroxasulfone PRE controlled Palmer amaranth 93 to 96% at all evaluations, but atrazine alone PRE provided 84, 82, and 66% control 7, 14, and 28 d after POST, respectively. All programs that contained a PRE followed by POST herbicide treatment controlled Palmer amaranth >90% at all evaluations. Corn yield following all treatments except atrazine alone PRE and the nontreated were similar and ranged from 10990 to 12330 kg ha −1 . This research demonstrated that pyroxasulfone can be a valuable tool for weed management in a corn weed management program.
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Claims 11
Claim · model-written summary
Pyroxasulfone applied PRE or POST did not injure corn at any evaluation.
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e0“Pyroxasulfone PRE or POST did not injure corn at any evaluation”
Claim · model-written summary
All POST treatments increased barnyardgrass control to at least 95% at all evaluations after atrazine PRE.
- Treatment
- POST treatmentse2
- Interactor
- Barnyardgrass
Echinochloa crus-gallie2weed - Outcome
- barnyardgrass controle2
- Direction
- increasede2
- Value
- at least 95%e2
- Qualifier
- at all evaluationse2
- Comparator
- atrazine PREe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e2“all POST treatments increased barnyardgrass control to at least 95% at all evaluations following atrazine PRE”
Claim · model-written summary
Adding any POST treatment to pyroxasulfone alone or atrazine plus pyroxasulfone PRE did not improve barnyardgrass control.
- Treatment
- addition of any POST treatmente1
- Interactor
- BarnyardgrassEchinochloa crus-gallie1weed
- Outcome
- Barnyardgrass controle1
- Direction
- not improvede1
- Comparator
- pyroxasulfone alonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e1“Barnyardgrass control was not improved with the addition of any POST treatment to pyroxasulfone alone or atrazine plus pyroxasulfone PRE”
Claim · model-written summary
PRE followed by POST programs controlled browntop millet at 90% or more at all evaluations.
- Treatment
- PRE followed by POST applicatione3
- Interactor
- browntop millete3weed
- Outcome
- browntop millete3
- Direction
- controllede3
- Value
- ≥90%e3
- Qualifier
- at all evaluationse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e3“All treatments that contained a PRE followed by POST application controlled browntop millet ≥90% at all evaluations”
Claim · model-written summary
All POST treatments increased ivyleaf morningglory control to 92% or more after atrazine or pyroxasulfone alone PRE.
- Treatment
- POST treatmentse4
- Interactor
- ivyleaf morningglory
Ipomoea hederaceae4weed - Outcome
- ivyleaf morningglory controle4
- Direction
- increasede4
- Value
- ≥92%e4
- Comparator
- atrazine or pyroxasulfone alone PREe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e4“All POST treatments increased ivyleaf morningglory control to ≥92% following atrazine or pyroxasulfone alone PRE”
Claim · model-written summary
Ivyleaf morningglory control with atrazine plus pyroxasulfone PRE was similar or greater 28 days after POST than with all POST treatments.
- Treatment
- atrazine plus pyroxasulfone PREe5
- Interactor
- ivyleaf morninggloryIpomoea hederaceae4weed
- Outcome
- controle5
- Direction
- similar or greatere5
- Qualifier
- 28 d after POSTe5
- Comparator
- all treatments that received a POST applicatione5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e4“All POST treatments increased ivyleaf morningglory control to ≥92% following atrazine or pyroxasulfone alone PRE”
e5“However, control with atrazine plus pyroxasulfone PRE was similar or greater 28 d after POST than all treatments that received a POST application”
Claim · model-written summary
Pyroxasulfone or atrazine plus pyroxasulfone PRE controlled Palmer amaranth 93 to 96% at all evaluations when no POST treatment was applied.
- Treatment
- pyroxasulfone or atrazine plus pyroxasulfone PREe6
- Interactor
- Palmer amaranthe6weed
- Outcome
- Palmer amaranthe6
- Direction
- controllede6
- Value
- 93 to 96%e6
- Qualifier
- In the absence of a POST treatmente6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e6“In the absence of a POST treatment, pyroxasulfone or atrazine plus pyroxasulfone PRE controlled Palmer amaranth 93 to 96% at all evaluations”
Claim · model-written summary
Atrazine alone PRE gave lower Palmer amaranth control (84, 82 and 66%) at 7, 14 and 28 days after POST than the pyroxasulfone programs.
- Treatment
- atrazine alone PREe7
- Interactor
- Palmer amaranthe6weed
- Outcome
- controle7
- Direction
- lowerinferrede7
- Value
- 84, 82, and 66%e7
- Qualifier
- 7, 14, and 28 d after POSTe7
- Comparator
- pyroxasulfone or atrazine plus pyroxasulfone PREe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e6“In the absence of a POST treatment, pyroxasulfone or atrazine plus pyroxasulfone PRE controlled Palmer amaranth 93 to 96% at all evaluations”
e7“atrazine alone PRE provided 84, 82, and 66% control 7, 14, and 28 d after POST”
Claim · model-written summary
PRE followed by POST herbicide programs controlled Palmer amaranth above 90% at all evaluations.
- Treatment
- PRE followed by POST herbicide treatmente7
- Interactor
- Palmer amaranthe7weed
- Outcome
- Palmer amaranthe7
- Direction
- controllede7
- Value
- >90%e7
- Qualifier
- at all evaluationse7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e7“All programs that contained a PRE followed by POST herbicide treatment controlled Palmer amaranth >90% at all evaluations”
Claim · model-written summary
Corn yield was similar after all treatments except atrazine alone PRE and the nontreated control, at 10990 to 12330 kg/ha.
- Treatment
- all treatments except atrazine alone PREe6
- Outcome
- Corn yielde6
- Direction
- similare6
- Value
- 10990 to 12330 kg ha −1e6
- Comparator
- the nontreatede6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e6“Corn yield following all treatments except atrazine alone PRE and the nontreated were similar and ranged from 10990 to 12330 kg ha −1”
Claim · model-written summary
Pyroxasulfone can be a valuable tool for weed management in corn weed management programs.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Field Corn (Zea mays)”
e5“This research demonstrated that pyroxasulfone can be a valuable tool for weed management in a corn weed management program”
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