Abstract
Triazine-resistant common lambsquarters (TR-CHEAL) is a widespread weed problem in the northcentral United States. Field studies were conducted from 1995 to 1997 to determine the efficacy and consistency of metolachlor, pendimethalin, and acetochlor applied preemergence (PRE) for control of TR-CHEAL in corn. Pendimethalin provided greater (98%) and more consistent control of TR-CHEAL than metolachlor (66%) or acetochlor (86%). Studies were conducted from 1998 to 2000 to examine the potential of isoxaflutole, flumetsulam, and rimsulfuron plus thifensulfuron for control of TR-CHEAL in corn. In 1999 and 2000, isoxaflutole (35 g ai/ha), flumetsulam (35 g ai/ ha), and rimsulfuron plus thifensulfuron (26 g ai/ha) provided 98% or greater control of TR-CHEAL. In 1998 when rainfall was limited after application, isoxaflutole (70 g ai/ha) and flumetsulam (70 g ai/ha) provided 65 and 55% control, respectively, and rimsulfuron plus thifensulfuron (26 g ai/ha) provided 55% control. Results indicate that control of TR-CHEAL with currently labeled PRE herbicides is possible.
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Claims 8
Claim · model-written summary
Pendimethalin controlled triazine-resistant lambsquarters more consistently and strongly than metolachlor or acetochlor.
- Taxon
- corn
Zea mays subsp. mayse0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pendimethalin provided greater (98%) and more consistent control of TR-CHEAL than metolachlor (66%) or acetochlor (86%)”
t0“Corn”
Claim · model-written summary
Isoxaflutole at 35 g ai/ha gave at least 98% lambsquarters control in 1999 and 2000.
- Taxon
- cornZea mays subsp. mayse0t0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1999 and 2000, isoxaflutole (35 g ai/ha), flumetsulam (35 g ai/ ha), and rimsulfuron plus thifensulfuron (26 g ai/ha) provided 98% or greater control of TR-CHEAL”
t0“Corn”
Claim · model-written summary
Flumetsulam at 35 g ai/ha gave at least 98% lambsquarters control in 1999 and 2000.
- Taxon
- cornZea mays subsp. mayse0t0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1999 and 2000, isoxaflutole (35 g ai/ha), flumetsulam (35 g ai/ ha), and rimsulfuron plus thifensulfuron (26 g ai/ha) provided 98% or greater control of TR-CHEAL”
t0“Corn”
Claim · model-written summary
Rimsulfuron plus thifensulfuron at 26 g ai/ha gave at least 98% lambsquarters control in 1999 and 2000.
- Taxon
- cornZea mays subsp. mayse0t0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1999 and 2000, isoxaflutole (35 g ai/ha), flumetsulam (35 g ai/ ha), and rimsulfuron plus thifensulfuron (26 g ai/ha) provided 98% or greater control of TR-CHEAL”
t0“Corn”
Claim · model-written summary
With limited rainfall in 1998, isoxaflutole at 70 g ai/ha gave 65% lambsquarters control.
- Taxon
- cornZea mays subsp. mayse0t0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1998 when rainfall was limited after application, isoxaflutole (70 g ai/ha) and flumetsulam (70 g ai/ha) provided 65 and 55% control, respectively”
t0“Corn”
Claim · model-written summary
With limited rainfall in 1998, flumetsulam at 70 g ai/ha gave 55% lambsquarters control.
- Taxon
- cornZea mays subsp. mayse0t0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1998 when rainfall was limited after application, isoxaflutole (70 g ai/ha) and flumetsulam (70 g ai/ha) provided 65 and 55% control, respectively”
t0“Corn”
Claim · model-written summary
With limited rainfall in 1998, rimsulfuron plus thifensulfuron gave 55% lambsquarters control.
- Taxon
- cornZea mays subsp. mayse0t0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rimsulfuron plus thifensulfuron (26 g ai/ha) provided 55% control”
t0“Corn”
Claim · model-written summary
The authors conclude that currently labelled preemergence herbicides can control triazine-resistant lambsquarters.
- Taxon
- cornZea mays subsp. mayse0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“control of TR-CHEAL with currently labeled PRE herbicides is possible”
t0“Corn”
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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.