Abstract
Abstract Goosegrass [ Eleusine indica (L.) Gaertn.] continues to be a major weed problem in bermudagrass ( Cynodon spp. )throughout the southern United States. A field experiment was conducted during 1995 and 1996 in Georgia to determine if tank-mixed postemergence herbicides would improve goosegrass control in common bermudagrass [ Cynodon dactylon (L.) Pers.] turf. Illoxan (diclofop), MSMA plus Sencor (metribuzin), MSMA plus Sencor with Princep (simazine), and selected rates of Illoxan with Princep controlled goosegrass effectively (≥83%) for 8 weeks in 1995. However, the control was ineffective (<80%) for any treatment by 8 weeks in 1996. The higher control in 1995 was probably related to higher air temperature [mean high temperature was 35C (95F) for 14 days after treatment] compared to 1996 [32C (89F) during the same period]. Tank-mixes of Princep with MSMA did not improve goosegrass control compared with Illoxan alone. Addition of Princep to MSMA, MSMA plus Sencor, or Illoxan did not increase bermudagrass injury compared to these treatments applied without Princep.
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Claims 8
Claim · model-written summary
Illoxan controlled goosegrass at least 83% for eight weeks in 1995.
- Taxon
- bermudagrass
Cynodon dactylont0 - Treatment
- Illoxan (diclofop)e0
- Interactor
- goosegrasse0weed
- Outcome
- goosegrasse0
- Direction
- controllede0
- Value
- ≥83%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Illoxan (diclofop), MSMA plus Sencor (metribuzin), MSMA plus Sencor with Princep (simazine), and selected rates of Illoxan with Princep controlled goosegrass effectively (≥83%) for 8 weeks in 1995”
t0“Bermudagrass Turf”
Claim · model-written summary
MSMA with Sencor controlled goosegrass at least 83% in 1995.
- Taxon
- bermudagrassCynodon dactylont0
- Treatment
- MSMA plus Sencor (metribuzin)e0
- Interactor
- goosegrasse0weed
- Outcome
- goosegrasse0
- Direction
- controllede0
- Value
- ≥83%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSMA plus Sencor (metribuzin), MSMA plus Sencor with Princep (simazine), and selected rates of Illoxan with Princep controlled goosegrass effectively (≥83%) for 8 weeks in 1995”
t0“Bermudagrass Turf”
Claim · model-written summary
MSMA with Sencor and Princep controlled goosegrass at least 83% in 1995.
- Taxon
- bermudagrassCynodon dactylont0
- Treatment
- MSMA plus Sencor with Princep (simazine)e0
- Interactor
- goosegrasse0weed
- Outcome
- goosegrasse0
- Direction
- controllede0
- Value
- ≥83%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MSMA plus Sencor with Princep (simazine), and selected rates of Illoxan with Princep controlled goosegrass effectively (≥83%) for 8 weeks in 1995”
t0“Bermudagrass Turf”
Claim · model-written summary
Selected Illoxan with Princep rates controlled goosegrass at least 83% in 1995.
- Taxon
- bermudagrassCynodon dactylont0
- Treatment
- Illoxan with Princepe0
- Interactor
- goosegrasse0weed
- Outcome
- goosegrasse0
- Direction
- controllede0
- Value
- ≥83%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“selected rates of Illoxan with Princep controlled goosegrass effectively (≥83%) for 8 weeks in 1995”
t0“Bermudagrass Turf”
Claim · model-written summary
No treatment reached 80% goosegrass control after eight weeks in 1996.
- Taxon
- bermudagrassCynodon dactylont0
- Interactor
- goosegrasst0weed
- Outcome
- controle0
- Direction
- ineffectivee0
- Value
- <80%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the control was ineffective (<80%) for any treatment by 8 weeks in 1996”
t0“Goosegrass Control in Bermudagrass Turf”
Claim · model-written summary
The authors related stronger 1995 control to higher temperature.
- Taxon
- bermudagrassCynodon dactylont0
- Interactor
- Goosegrasst0weed
- Outcome
- higher controle0
- Direction
- highere0
- Setting
- 1995e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The higher control in 1995 was probably related to higher air temperature [mean high temperature was 35C (95F) for 14 days after treatment] compared to 1996 [32C (89F) during the same period]”
t0“Goosegrass Control in Bermudagrass Turf”
Claim · model-written summary
Princep with MSMA did not improve goosegrass control versus Illoxan alone.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- Princep with MSMAe0
- Interactor
- goosegrasse0weed
- Outcome
- goosegrass controle0
- Direction
- did not improvee0
- Comparator
- Illoxan alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tank-mixes of Princep with MSMA did not improve goosegrass control compared with Illoxan alone”
t0“Bermudagrass Turf”
Claim · model-written summary
Adding Princep did not increase bermudagrass injury versus the respective mixtures without Princep.
- Taxon
- bermudagrassCynodon dactylone0
- Treatment
- Addition of Princepe0
- Outcome
- bermudagrass injurye0
- Direction
- did not increasee0
- Comparator
- these treatments applied without Princepe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of Princep to MSMA, MSMA plus Sencor, or Illoxan did not increase bermudagrass injury compared to these treatments applied without Princep”
The same questions in other papers
simazine · control · Cynodon dactylon (Bermuda grass)Positive and negative results
5 reporting no difference from an alternative
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →simazine · crop injury · Cynodon dactylon (Bermuda grass)Results agree
1 paper in the same direction as this paper
- negative
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.