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Preemergence and Postemergence Control of Japanese Stiltgrass (Microstegium vimineum)

Published online by Cambridge University Press:  20 January 2017

Caren A. Judge ,
Joseph C. Neal  and
Jeffrey F. Derr
Caren A. Judge*
Affiliation:
Department of Horticultural Science, Box 7609, North Carolina State University, Raleigh, NC 27695
Joseph C. Neal
Affiliation:
Department of Horticultural Science, Box 7609, North Carolina State University, Raleigh, NC 27695
Jeffrey F. Derr
Affiliation:
Virginia Polytechnic Institute and State University, Hampton Roads Agriculture Research and Extension Center, 1444 Diamond Springs Road, Virginia Beach, VA 23455-3315
*
Corresponding author's E-mail: [email protected]
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Abstract

Preemergence (PRE) and postemergence (POST) herbicides registered for large crabgrass control were evaluated for control of Japanese stiltgrass, an invasive, nonnative C4 annual grass. Benefin plus oryzalin, dithiopyr, isoxaben plus trifluralin, oryzalin, oxadiazon, pendimethalin, prodiamine, or trifluralin applied PRE controlled Japanese stiltgrass 87% or greater 8 wk after treatment. Benefin plus trifluralin, metolachlor, or napropamide applied PRE were less effective (78, 39, and 59% control, respectively). Single POST applications of clethodim, fenoxaprop-P, fluazifop-P, or sethoxydim controlled Japanese stiltgrass 50 to 88%. These herbicides applied twice provided 82 to 99% control. Single POST applications of glufosinate controlled Japanese stiltgrass 82 to 85%, whereas two applications provided complete control. Single POST applications of glyphosate were just as effective as two applications in controlling Japanese stiltgrass. Dithiopyr, MSMA, and quinclorac applied POST were ineffective on Japanese stiltgrass. All PRE and POST herbicides tested were equally or more effective on Japanese stiltgrass than on large crabgrass, with the exception of metolachlor applied PRE and dithiopyr or quinclorac applied POST.

Keywords

Benefinclethodimdithiopyrfenoxaprop-Pfluazifop-PglufosinateglyphosateisoxabenmetolachlorMSMAnapropamideoryzalinoxadiazonpendimethalinprodiaminequincloracsethoxydimtrifluralinJapanese stiltgrass, Microstegium vimineum (Trin.) A. Camus # MCGVMlarge crabgrass, Digitaria sanguinalis (L.) Scop. # DIGSAAnnual jewgrassbamboograssflexible sesagrassinvasive plantJapanese grassMary's grassNepalese browntopDAT, days after treatmentPOST, postemergencePRE, preemergenceWAT, weeks after treatment
Type
Research Article
Information
Weed Technology , Volume 19 , Issue 1 , March 2005 , pp. 183 - 189
Copyright
Copyright © Weed Science Society of America 

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