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Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/41/1/article-p255.xml?rskey=FZePqV
    Last checked: 11/19/2019
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Author(s):McCullough, Patrick E.; Hart, Stephen E.; Askew, Shawn; Dernoeden, Peter H.; Reicher, Zachary; Weisenberger, Dan
Author Affiliation:McCullough: Program Associate; Hart: Associate Professor, Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey; Askew: Assistant Professor, Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Insititute and State University, Blacksburg, Virginia; Dernoeden: Professor, Department of Nautral Resource Sciences and Landscape Architecture, University of Maryland, College Park, Maryland; Reicher: Associate Professor; Weisenberger: Research Agronomist, Department of Agronomy, Purdue University, West Lafayette, Indiana
Title:Kentucky bluegrass control with postemergence herbicides
Column Name:Reports
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Section:Turf management
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Source:HortScience. Vol. 41, No. 1, February 2006, p. 255-258.
# of Pages:4
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Poa pratensis; Application frequency; Postemergence herbicides; Herbicide evaluation; Weed control
Abstract/Contents:"With the potential introduction of glyphosate-resistant kentucky bluegrass (GRKB)(Poa pratensis L.), postemergence herbicides must be identified for renovation from glyphosate-resistant stands or control escaped GRKB. Field experiments were conducted in Indiana, Maryland, New Jersey, and Virginia from July to September 2004 to investigate efficacy of postemergence herbicides for kentucky bluegrass control. Herbicides tested included clethodim at 0.28 kg路ha-1(a.i.), fluazifop-p at 0.43 kg路ha-1 (a.i.), formasulfuron at 0.03 kg路ha-1 (a.i.), flufosinate at 1.12 kg路ha-1 (a.i.), glyphosate at 1.68 kg路ha-1 (a.i.), rim-sulfuron at 0.03 kg路ha-1 (a.i.), sethoxydim at 0.53 kg路ha-1 (a.i.), and trifloxysulfuron at 0.03 kg路ha-1 (a.i.). One and two applications of each herbicide were applied to separate plots with the sequential applied 4 weeks after initial treatments (WAIT). Single applications of glyphosate completely controlled kentucky bluegrass 4 WAIT in Maryland, New Jersey, and Virginia. Glufosinate completely controlled kentucky bluegrass with one application in Maryland and New Jersey but single and sequential applications provided only 80% to 88% control in Indiana and Virginia. Foramsulfuron and rimsulfuron required sequential applications for complete kentucky bluegrass control 8 WAIT in New Jersey and Maryland but <82% control was obtained in Indiana and Virginia. Trifloxysulfuron controlled kentucky bluegrass 95% to 100% with single applications in Maryland, New Jersey, and Virginia. Single applications of clethodim, fluazifop, and sethoxydim provided minimal stand reductions but sequential applications controlled kentucky bluegrass 65% to 100%. Results suggest flufosinate and trifloxysulfuron have the greatest potential for controlling GRKB while other herbicides provided erratic control and require sequential applications."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCullough, P. E., S. E. Hart, S. Askew, P. H. Dernoeden, Z. Reicher, and D. Weisenberger. 2006. Kentucky bluegrass control with postemergence herbicides. HortScience. 41(1):p. 255-258.
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DOI: 10.21273/HORTSCI.41.1.255
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    Last checked: 11/19/2019
    Requires: PDF Reader
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