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Control of Japanese stiltgrass (Microstegium vimineum) in golf course natural areas

Published online by Cambridge University Press:  20 April 2020

Josh R. Weaver ,
Philip J. Brown Open the ORCID record for Philip J. Brown [Opens in a new window] ,
Lambert B. McCarty  and
Nathaniel Gambrell
Josh R. Weaver*
Affiliation:
Graduate Research Assistant, Department of Plant and Environmental Sciences, Poole Agriculture Center, Clemson, SC, USA
Philip J. Brown
Affiliation:
Extension Specialist, Virginia Polytechnic Institute and State University, School of Plant and Environmental Sciences, Blacksburg, VA, USA
Lambert B. McCarty
Affiliation:
Professor, Clemson University, Department of Plant and Environmental Sciences, Poole Agriculture Center, Clemson, SC, USA
Nathaniel Gambrell
Affiliation:
Research Technician, Clemson University, Department of Plant and Environmental Sciences, Poole Agriculture Center, Clemson, SC, USA
*
Author for correspondence: Josh R. Weaver, Graduate Research Assistant, Clemson University, Dept. Plant and Environmental Sciences, E-143 Poole Agriculture Center, Clemson, SC29634-0310. Email: rweave3@clemson.edu
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Abstract

Japanese stiltgrass is regarded as one of the most troublesome invasive species in the United States. It is commonly found invading forested areas; however, more recently it has been noted to be invading golf course roughs and out-of-play areas. The purpose of this study was to evaluate POST herbicide control of Japanese stiltgrass in golf course and highly maintained turfgrass facilities. None of the treatments provided >80% Japanese stiltgrass control 2 wk after treatment (WAT). At 4 WAT >80% Japanese stiltgrass control was observed with MSMA, MSMA + metribuzin, amicarbazone, and sethoxydim, whereas metsulfuron, pinoxaden, and imazapic provided minimum control. By 8 WAT, MSMA, MSMA + metribuzin, amicarbazone, and sethoxydim provided >98% control, whereas quinclorac, metsulfuron, pinoxaden, and imazapic provided no visible control. Thiencarbazone-methyl + foramsulfuron + halosulfuron-methyl, and sulfentrazone provided limited (≤60%) control. This study indicates that POST control of Japanese stiltgrass can be achieved with MSMA, MSMA + metribuzin, amicarbazone, and sethoxydim. Future research should include long-term control over multiple growing seasons, repeat applications of herbicides, and evaluation of herbicides in combination for increased and longer-term Japanese stiltgrass control.

Keywords

Turfgrassweed controlPOST herbicideAmicarbazoneimazapicmetsulfuronMSMAMSMA + metribuzinpinoxadenquincloracsethoxydimsulfentrazonethiencarbazone-methyl + foramsulfuron + halosulfuron-methylJapanese stiltgrassMicrostegium vimineum (Trin.) A. Camus
Type
Note
Information
Weed Technology , Volume 34 , Issue 5 , October 2020 , pp. 776 - 778
Copyright
© Weed Science Society of America, 2020

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Footnotes

Associate Editor: Patrick E. McCullough, University of Georgia

References

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