Abstract
Field research was conducted at Arlington, WI in 1984 and 1985 to determine the influence of application timing on weed control with atrazine and metolachlor in conservation tillage corn production systems. Early preplant treatments controlled fewer weeds than preemergence or early preplant/preemergence sequential treatments in a chisel plow system. Velvetleaf control was only 50% late in the growing season with early preplant atrazine compared with 88% with an early preplant/preemergence sequential treatment of the same amount of atrazine. In the no-till system, early preplant applications of atrazine and/or metolachlor had reduced weed control late in the growing season compared with preemergence and early preplant/preemergence sequential treatments of the same amount of herbicide. Giant foxtail control 110 d after corn planting was only 73% with an early preplant treatment compared with 99% when the same amount of herbicide was evenly divided between early preplant and preemergence applications.
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Claims 4
Claim · model-written summary
Early preplant treatment controlled fewer weeds than preemergence or sequential treatment in chisel plow corn.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- Early preplant treatmentse0
- Outcome
- controlled fewer weedse0
- Direction
- fewere0
- Comparator
- preemergence or early preplant/preemergence sequential treatmentse0
- Setting
- chisel plow systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early preplant treatments controlled fewer weeds than preemergence or early preplant/preemergence sequential treatments in a chisel plow system.”
t0“Corn”
Claim · model-written summary
Late season velvetleaf control was 50% with early preplant atrazine versus 88% with sequential atrazine.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- early preplant atrazinee0
- Interactor
- Velvetleaf
Abutilon theophrastie0weed - Outcome
- Velvetleaf controle0
- Direction
- onlye0
- Value
- 50%e0
- Qualifier
- 88%e0
- Comparator
- an early preplant/preemergence sequential treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Velvetleaf control was only 50% late in the growing season with early preplant atrazine compared with 88% with an early preplant/preemergence sequential treatment of the same amount of atrazine.”
t0“Corn”
Claim · model-written summary
Early preplant atrazine and/or metolachlor gave reduced late season weed control in no till corn compared with preemergence or sequential application.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- early preplant applications of atrazine and/or metolachlore0
- Outcome
- weed controle0
- Direction
- reducede0
- Comparator
- preemergence and early preplant/preemergence sequential treatmentse0
- Setting
- no-till systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the no-till system, early preplant applications of atrazine and/or metolachlor had reduced weed control late in the growing season compared with preemergence and early preplant/preemergence sequential treatments of the same amount of herbicide.”
t0“Corn”
Claim · model-written summary
Giant foxtail control 110 days after planting was 73% with early preplant treatment versus 99% with split application.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- an early preplant treatmente0
- Interactor
- Giant foxtaile0weed
- Outcome
- Giant foxtail controle0
- Direction
- onlye0
- Value
- 73%e0
- Qualifier
- 99%e0
- Comparator
- the same amount of herbicide was evenly divided between early preplant and preemergence applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Giant foxtail control 110 d after corn planting was only 73% with an early preplant treatment compared with 99% when the same amount of herbicide was evenly divided between early preplant and preemergence applications.”
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See all 18 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.