Abstract
Abstract Two field experiments were conducted at the Agronomy Research Station near Stillwater, OK in 2004 and 2005 to identify and evaluate herbicides applied preplant incorporated, preemergence, early postemergence, or late postemergence for the control of seedling sericea lespedeza. Trifluralin, applied preplant incorporated, controlled seedlings 77 (15 wk after emergence [WAE]) and 63% (16 WAE) in 2004 and 2005, respectively. Flumioxazin, imazapic, fluometuron, diuron, sulfentrazone, atrazine, metribuzin, and metolachlor applied preemergence all provided greater than 86% seedling control at 15 and 16 WAE in both years. Diclosulam, applied preemergent, controlled seedlings 47% at 15 WAE in 2004 and 91% control at 16 WAE in 2005. In 2004, triclopyr, metsulfuron-methyl, glyphosate, picloram, dicamba, and 2,4-D amine plus picloram (tank-mix) applied early postemergence controlled 90 to 100% of the sericea lespedeza seedlings at 15 WAE. However, in 2005, only triclopyr, metsulfuron-methyl, glyphosate, and 2,4-D amine plus picloram (tank-mix) showed greater than 80% control at 16 WAE. Triclopyr, applied late postemergence, controlled seedlings 100% at 15 and 16 WAE, in both years. In 2004, dicamba plus 2,4-D (premix) and glyphosate were the only other herbicides which provided greater than 75% control at 15 WAE. These data suggest that there were preemergence-applied herbicides that were effective for the control of seedling sericea lespedeza. These data also suggest that triclopyr was the most effective postemergence-applied herbicide for the control of seedling sericea lespedeza. The data also showed that the overall level of control of seedling sericea lespedeza decreased as the season progressed and the plant matured.
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Claims 10
Claim · model-written summary
Preplant trifluralin controlled seedlings by 77% in 2004 at 15 WAE.
- Taxon
- Sericea Lespedeza
Lespedeza cuneatat0 - Treatment
- Trifluralin, applied preplant incorporatede0
- Outcome
- controlled seedlingse0
- Direction
- controllede0
- Value
- 77 (15 wk after emergence [WAE])e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Trifluralin, applied preplant incorporated, controlled seedlings 77 (15 wk after emergence [WAE]) and 63% (16 WAE) in 2004 and 2005, respectively”
t0“Sericea Lespedeza”
Claim · model-written summary
Preplant trifluralin controlled seedlings by 63% in 2005 at 16 WAE.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- Trifluralin, applied preplant incorporatede0
- Outcome
- controlled seedlingse0
- Direction
- controllede0
- Value
- 63% (16 WAE)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Trifluralin, applied preplant incorporated, controlled seedlings 77 (15 wk after emergence [WAE]) and 63% (16 WAE) in 2004 and 2005, respectively”
t0“Sericea Lespedeza”
Claim · model-written summary
Eight preemergence herbicides provided greater than 86% control in both years.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- Flumioxazin, imazapic, fluometuron, diuron, sulfentrazone, atrazine, metribuzin, and metolachlor applied preemergencee0
- Outcome
- seedling controle0
- Direction
- providede0
- Value
- greater than 86%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flumioxazin, imazapic, fluometuron, diuron, sulfentrazone, atrazine, metribuzin, and metolachlor applied preemergence all provided greater than 86% seedling control at 15 and 16 WAE in both years”
t0“Sericea Lespedeza”
Claim · model-written summary
Preemergence diclosulam controlled seedlings 47% in 2004.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- Diclosulam, applied preemergente0
- Outcome
- controlled seedlingse0
- Direction
- controllede0
- Value
- 47%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diclosulam, applied preemergent, controlled seedlings 47% at 15 WAE in 2004 and 91% control at 16 WAE in 2005”
t0“Sericea Lespedeza”
Claim · model-written summary
Preemergence diclosulam controlled seedlings 91% in 2005.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- Diclosulam, applied preemergente0
- Outcome
- controle0
- Direction
- controllede0
- Value
- 91%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diclosulam, applied preemergent, controlled seedlings 47% at 15 WAE in 2004 and 91% control at 16 WAE in 2005”
t0“Sericea Lespedeza”
Claim · model-written summary
Six early postemergence treatments controlled 90 to 100% in 2004.
- Taxon
- sericea lespedezaLespedeza cuneatae0
- Treatment
- triclopyr, metsulfuron-methyl, glyphosate, picloram, dicamba, and 2,4-D amine plus picloram (tank-mix) applied early postemergencee0
- Outcome
- sericea lespedeza seedlingse0
- Direction
- controllede0
- Value
- 90 to 100%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“triclopyr, metsulfuron-methyl, glyphosate, picloram, dicamba, and 2,4-D amine plus picloram (tank-mix) applied early postemergence controlled 90 to 100% of the sericea lespedeza seedlings at 15 WAE”
Claim · model-written summary
Four early postemergence treatments exceeded 80% control in 2005.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- triclopyr, metsulfuron-methyl, glyphosate, and 2,4-D amine plus picloram (tank-mix)e0
- Outcome
- controle0
- Direction
- showede0
- Value
- greater than 80%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“triclopyr, metsulfuron-methyl, glyphosate, and 2,4-D amine plus picloram (tank-mix) showed greater than 80% control at 16 WAE”
t0“Sericea Lespedeza”
Claim · model-written summary
Late postemergence triclopyr gave 100% seedling control in both years.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- Triclopyr, applied late postemergencee0
- Outcome
- controlled seedlingse0
- Direction
- controllede0
- Value
- 100%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Triclopyr, applied late postemergence, controlled seedlings 100% at 15 and 16 WAE, in both years”
t0“Sericea Lespedeza”
Claim · model-written summary
Late dicamba plus 2,4-D and glyphosate gave greater than 75% control in 2004.
- Taxon
- Sericea LespedezaLespedeza cuneatat0
- Treatment
- dicamba plus 2,4-D (premix) and glyphosatee0
- Outcome
- controle0
- Direction
- providede0
- Value
- greater than 75%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dicamba plus 2,4-D (premix) and glyphosate were the only other herbicides which provided greater than 75% control at 15 WAE”
t0“Sericea Lespedeza”
Claim · model-written summary
Overall sericea lespedeza control declined as plants matured.
- Taxon
- sericea lespedezaLespedeza cuneatae0
- Organ / stage
- the plant maturede0
- Outcome
- overall level of controle0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the overall level of control of seedling sericea lespedeza decreased as the season progressed and the plant matured”
The same questions in other papers
imazapic · control · Lespedeza cuneata (sericea lespedeza)Positive and negative results
1 reporting no difference from an alternative
- no effect
glyphosate · control · Lespedeza cuneata (sericea lespedeza)Results agree
1 paper in the same direction as this paper
- positive
metsulfuron methyl · organism · Lespedeza cuneata (sericea lespedeza)Results agree
1 paper in the same direction as this paper
- positive
metsulfuron methyl · control · Lespedeza cuneata (sericea lespedeza)Results agree
1 paper in the same direction as this paper
- positive
trichlopyr · control · Lespedeza cuneata (sericea lespedeza)Results agree
1 paper in the same direction as this paper
- positive
trichlopyr · organism · Lespedeza cuneata (sericea lespedeza)Results agree
2 papers in the same direction as this paper
- positive
- positive
herbicide · organism · Lespedeza cuneata (sericea lespedeza)Results agree
1 paper in the same direction as this paper
- positive
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.