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Lawn Burweed (Soliva pterosperma) Control in Hybrid Bermudagrass (Cynodon dactylon × C. transvaalensis) and Common Centipedegrass (Eremochloa ophiuroides)

Published online by Cambridge University Press:  20 January 2017

Rex N. Lawson ,
J. Bryan Unruh  and
Barry J. Brecke
Rex N. Lawson
Affiliation:
Institute of Food and Agricultural Sciences, West Florida Research and Education Center, University of Florida, Jay, FL 32565
J. Bryan Unruh*
Affiliation:
Institute of Food and Agricultural Sciences, West Florida Research and Education Center, University of Florida, Jay, FL 32565
Barry J. Brecke
Affiliation:
Institute of Food and Agricultural Sciences, West Florida Research and Education Center, University of Florida, Jay, FL 32565
*
Corresponding author's E-mail: [email protected].
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Abstract

Lawn burweed is a serious problem in warm-season golf courses, sports fields, and residential turfgrass. Field studies were conducted at three sites in Florida to evaluate herbicides applied postemergence for control of lawn burweed. Mecoprop + 2,4-D + dicamba provided > 95% control of lawn burweed when evaluated 47 to 55 d after treatment (DAT). MCPA + triclopyr + dicamba in either ester or amine forms, 2,4-D + triclopyr + dicamba, triclopyr, 2,4-D, and bromoxynil provided 88 to 100% control 40 to 55 DAT. Although triclopyr + clopyralid provided > 90% control in one study, it was not consistent and controlled < 75% of the lawn burweed present in another experiment. Simazine was unacceptable for lawn burweed control. Bermudagrass turf was not injured by any of the treatments evaluated. Mecoprop + 2,4-D + dicamba caused minimal short-term injury to centipedegrass.

Keywords

Bromoxynilclopyralid2,4-DdicambaMCPAmecopropsimazinetriclopyrcommon bermudagrass, Cynodon dactylon (L.) Pers. #3 CYNDAcommon centipedegrass, Eremochloa ophioroides (Munro) Hack. # ERLOPhybrid bermudagrass, Cynodon dactylon × C. transvaalensis Burtt-Davy ‘Tifway’lawn burweed, Soliva pterosperma (Juss.) Less. # SOVPTAtrazinebentazonpostemergencepreemergenceDAT, days after treatmentFWBGC, Fort Walton Beach Golf ClubWCHS, Whitfield Community Home SiteWFREC, West Florida Research and Education Center
Type
Research
Information
Weed Technology , Volume 16 , Issue 1 , March 2002 , pp. 84 - 87
Copyright
Copyright © Weed Science Society of America 

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References

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