Abstract
Preemergence herbicides are widely used in cotton (Gossypium hirsutum L.) to control glyphosate-resistant weeds. If a stand failure occurs after the acceptable replanting date for cotton, the most likely replacement crops are grain sorghum [Sorghum bicolor (L.) Moench.] and soybean [Glycine max (L.) Merr.]. When replanting to another crop, one must consider the potential impact of previously applied cotton herbicides on the replacement crop. The objective of this study was to determine the potential for sorghum and soybean as replacement crops following diuron- and fluometuron-treated cotton on coarse-textured, low organic matter soils. Specific objectives were to determine effects of tillage and time between herbicide application and replacement crop planting. Treatments consisted of a factorial arrangement of no herbicide, 1120 g ai ha-1 of fluometuron, or 840 g ai ha-1 of diuron, replant delays of three, six or nine wk after cotton herbicide application, and no tillage or disking prior to replacement crop planting. Soybean response to cotton herbicides was noted primarily with the three-wk replant delay, and greater response was noted with fluometuron. Soybean planted three wk after diuron and fluometuron application was injured 1 to 15% and 6 to 33%, respectively, depending upon location. Disking prior to soybean planting generally increased injury. Regardless of replant delay, diuron did not reduce soybean yield. Soybean yield was reduced at two of three locations by fluometuron in a three-wk replant delay but not with six- or nine-wk replant delays. No visible injury was noted on grain sorghum and yield was not reduced at any of four locations regardless of replant delay or cotton herbicide.
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Claims 9
Claim · model-written summary
Soybean herbicide response occurred mainly at a three-week replant delay and was greater with fluometuron.
- Taxon
- Soybean
Glycine maxe0 - Treatment
- fluometurone0
- Outcome
- response to cotton herbicidese0
- Direction
- greatere0
- Qualifier
- three-wk replant delaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean response to cotton herbicides was noted primarily with the three-wk replant delay, and greater response was noted with fluometuron.”
Claim · model-written summary
Diuron caused 1 to 15% soybean injury at a three-week delay, depending on location.
- Taxon
- SoybeanGlycine maxe0
- Treatment
- diurone0
- Outcome
- injurede0
- Direction
- injurede0
- Value
- 1 to 15%e0
- Qualifier
- three wke0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean planted three wk after diuron and fluometuron application was injured 1 to 15% and 6 to 33%, respectively, depending upon location.”
Claim · model-written summary
Fluometuron caused 6 to 33% soybean injury at a three-week delay, depending on location.
- Taxon
- SoybeanGlycine maxe0
- Treatment
- fluometurone0
- Outcome
- injurede0
- Direction
- injurede0
- Value
- 6 to 33%e0
- Qualifier
- three wke0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean planted three wk after diuron and fluometuron application was injured 1 to 15% and 6 to 33%, respectively, depending upon location.”
Claim · model-written summary
Disking before soybean planting generally increased injury.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Diskinge0
- Outcome
- injurye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Disking prior to soybean planting generally increased injury.”
Claim · model-written summary
Diuron did not reduce soybean yield at any replant delay.
- Taxon
- soybeanGlycine maxe0
- Treatment
- diurone0
- Outcome
- yielde0
- Direction
- did not reducee0
- Qualifier
- Regardless of replant delaye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regardless of replant delay, diuron did not reduce soybean yield.”
Claim · model-written summary
Fluometuron reduced soybean yield at two of three locations with a three-week delay.
- Taxon
- SoybeanGlycine maxe0
- Treatment
- fluometurone0
- Outcome
- yielde0
- Direction
- reducede0
- Qualifier
- two of three locationse0
- Setting
- locationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean yield was reduced at two of three locations by fluometuron in a three-wk replant delay”
Claim · model-written summary
Fluometuron did not reduce soybean yield with six- or nine-week replant delays.
- Taxon
- SoybeanGlycine maxe1
- Treatment
- fluometurone1
- Outcome
- yielde1
- Direction
- no_changeinferrede0
- Qualifier
- six- or nine-wk replant delayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not with six- or nine-wk replant delays.”
e1“Soybean yield was reduced at two of three locations by fluometuron in a three-wk replant delay”
Claim · model-written summary
Grain sorghum had no visible injury regardless of delay or herbicide.
- Taxon
- grain sorghum
Sorghum bicolore0 - Treatment
- cotton herbicidee0
- Outcome
- visible injurye0
- Direction
- Noe0
- Qualifier
- regardless of replant delaye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No visible injury was noted on grain sorghum and yield was not reduced at any of four locations regardless of replant delay or cotton herbicide.”
Claim · model-written summary
Grain sorghum yield was not reduced at four locations regardless of delay or cotton herbicide.
- Taxon
- grain sorghumSorghum bicolore0
- Treatment
- cotton herbicidee0
- Outcome
- yielde0
- Direction
- not reducede0
- Qualifier
- at any of four locations regardless of replant delaye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No visible injury was noted on grain sorghum and yield was not reduced at any of four locations regardless of replant delay or cotton herbicide.”
The same questions in other papers
Gossypium hirsutum · yield · Sorghum bicolor (sorghum)Positive and negative results
2 in the opposite direction
- positive
- positive
diuron · yield · Glycine max (soybean)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- negative
fluometuron · crop injury · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- negative
diuron · crop injury · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- negative
Gossypium hirsutum · crop injury · Sorghum bicolor (sorghum)Results agree
1 paper in the same direction as this paper
- negative
fluometuron · yield · Glycine max (soybean)Results agree
2 papers in the same direction as this paper
- no effect
- negative
herbicide · yield · Sorghum bicolor (sorghum)Results differ
9 papers in the same direction as this paper · 27 in the opposite direction
- positive
- positive
- positive
33 papers more in this group
See all 37 papers →herbicide · crop injury · Sorghum bicolor (sorghum)Positive and negative results
8 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
11 papers more in this group
See all 15 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.