Abstract
Research was conducted in 2003 and 2004 to evaluate diflufenzopyr tank mixes for western ragweed control and injury to ‘Tifton 85′ bermudagrass. In 2003 at 94 DAT, picloram at 0.28 and 0.56 kg ae ha −1 with or without diflufenzopyr provided greater than 95% control of western ragweed, whereas triclopyr + dilfufenzopyr, dicamba + diflufenzopyr, triclopyr alone, and diflufenzopyr alone provided < 77% control. In 2004 at 95 DAT, only the highest rate of picloram alone provided 96% control, and the two highest rates of picloram + diflufenzopyr provided at least 95% control. Tifton 85 bermudagrass growth reduction increased with the addition of diflufenzopyr to picloram in 2003, but not in 2004. However, forage dry-matter yield was not reduced by any herbicide treatment compared to the nontreated control. Results of these studies indicate that picloram alone and picloram + diflufenzopyr provide excellent control of western ragweed. The tank mixture of picloram + diflufenzopyr can improve control over picloram alone. However, dicamba + diflufenzopyr, triclopyr + diflufenzopyr, triclopyr alone, and diflufenzopyr alone did not provide adequate control.
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Claims 8
Claim · model-written summary
Picloram at both rates controlled western ragweed by greater than 95% in 2003.
- Taxon
- Bermudagrass
Cynodon dactylont0 - Treatment
- picloram at 0.28 and 0.56 kg ae ha −1e0
- Interactor
- western ragweede0weed
- Outcome
- control of western ragweede0
- Direction
- greater thane0
- Value
- greater than 95%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“picloram at 0.28 and 0.56 kg ae ha −1 with or without diflufenzopyr provided greater than 95% control of western ragweed”
t0“Bermudagrass”
Claim · model-written summary
Triclopyr plus diflufenzopyr, dicamba plus diflufenzopyr, triclopyr alone and diflufenzopyr alone each controlled western ragweed by less than 77% in 2003.
- Taxon
- BermudagrassCynodon dactylont0
- Interactor
- western ragweede1weed
- Outcome
- controle0
- Value
- < 77%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“triclopyr + dilfufenzopyr, dicamba + diflufenzopyr, triclopyr alone, and diflufenzopyr alone provided < 77% control.”
t0“Bermudagrass”
e1“western ragweed control”
Claim · model-written summary
Highest picloram rate alone provided 96% control in 2004.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- highest rate of picloram alonee0
- Interactor
- western ragweede1weed
- Outcome
- controle0
- Value
- 96%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only the highest rate of picloram alone provided 96% control”
t0“Bermudagrass”
e1“western ragweed control”
Claim · model-written summary
Two highest rates of picloram plus diflufenzopyr provided at least 95% control in 2004.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- picloram + diflufenzopyre0
- Interactor
- western ragweede1weed
- Outcome
- controle0
- Value
- at least 95%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the two highest rates of picloram + diflufenzopyr provided at least 95% control”
t0“Bermudagrass”
e1“western ragweed control”
Claim · model-written summary
Diflufenzopyr addition increased Tifton 85 bermudagrass growth reduction in 2003.
- Taxon
- bermudagrassCynodon dactylone0
- Material
- Tifton 85e0
- Treatment
- addition of diflufenzopyr to piclorame0
- Outcome
- bermudagrass growth reductione0
- Direction
- increasede0
- Comparator
- piclorame0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tifton 85 bermudagrass growth reduction increased with the addition of diflufenzopyr to picloram in 2003”
Claim · model-written summary
Diflufenzopyr addition did not increase Tifton 85 growth reduction in 2004.
- Taxon
- bermudagrassCynodon dactylone0
- Material
- Tifton 85e0
- Treatment
- addition of diflufenzopyr to piclorame0
- Outcome
- bermudagrass growth reductione0
- Direction
- note0
- Comparator
- piclorame0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tifton 85 bermudagrass growth reduction increased with the addition of diflufenzopyr to picloram in 2003, but not in 2004”
Claim · model-written summary
No herbicide treatment reduced forage dry-matter yield relative to control.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- any herbicide treatmente0
- Outcome
- forage dry-matter yielde0
- Direction
- not reducede0
- Comparator
- nontreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“forage dry-matter yield was not reduced by any herbicide treatment compared to the nontreated control”
t0“Bermudagrass”
Claim · model-written summary
The picloram plus diflufenzopyr mixture can improve ragweed control over picloram alone.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- picloram + diflufenzopyre0
- Interactor
- western ragweede1weed
- Outcome
- controle0
- Direction
- improvee0
- Comparator
- picloram alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tank mixture of picloram + diflufenzopyr can improve control over picloram alone”
t0“Bermudagrass”
e1“western ragweed control”
The same questions in other papers
picloram · control · Cynodon dactylon (Bermuda grass)Results agree
1 paper in the same direction as this paper
- positive
herbicide · yield · Cynodon dactylon (Bermuda grass)Results agree
2 papers in the same direction as this paper
- negative
- no effect
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.