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Evaluation of 2,4-D and 2,4-D Mixtures for Path Rush Control in Bermudagrass

Published online by Cambridge University Press:  20 January 2017

Kendall C. Hutto ,
James M. Taylor  and
John D. Byrd Jr.
Kendall C. Hutto*
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
James M. Taylor
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
John D. Byrd Jr.
Affiliation:
Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
*
Corresponding author's E-mail: khutto@ifas.ufl.edu
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Abstract

Path rush can become problematic on golf course fairways, especially on roughs where continuous golf cart or maintenance equipment traffic occurs. Research trials conducted in 2003 and 2004 compared the efficacy of 2,4-D and mixtures containing 2,4-D in single or sequential applications to herbicides without 2,4-D for path rush control in bermudagrass roughs. Sequential applications of 1.1 kg ae/ha 2,4-D or 0.8 + 0.2 + 0.1 kg ae/ha 2,4-D + MCPP + dicamba provided 95% path rush control with no injury to bermudagrass, 15 wk after initial treatment (WAIT). Single applications of 1.1 + 0.3 + 0.1 kg/ha 2,4-D + MCPP + dicamba or 1.1 kg/ha 2,4-D provided at least 81% path rush control, 15 WAIT. Treatments without 2,4-D did not provide acceptable levels of control (34% or less, 15 WAIT). 2,4-D applied alone or in preformulated mixtures provided excellent path rush control compared to treatments without 2,4-D. Sequential applications of these treatments provided greater path rush control than single applications. However, only the sequential application of 0.8 + 0.2 + 0.1 kg/ha 2,4-D + MCPP + dicamba provided greater path rush control than the single application. Results from these studies suggest that 2,4-D is a key herbicide for path rush control.

Keywords

2,4-DMCPPdicambacarfentrazoneforamsulfurontriclopyrclopyralidtrifloxysulfuron-sodiumpath rush, Juncus tenuis Willd. JUNTEbermudagrass, Cynodon dactylon (L.) Pers. CYNDAWeed controlphenoxy herbicidesturfgrassgolf course roughs
Type
Research
Information
Weed Technology , Volume 21 , Issue 3 , September 2007 , pp. 768 - 770
Copyright
Copyright © Weed Science Society of America 

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Footnotes

Current address: West Florida Research and Education Center, 4253 Experiment Dr., Jay, FL 32565.

References

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