Full TGIF Record # 179943
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DOI:10.1614/WT-D-09-00030.1
Web URL(s):http://www.bioone.org/doi/full/10.1614/WT-D-09-00030.1
    Last checked: 05/03/2011
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http://www.bioone.org/doi/pdf/10.1614/WT-D-09-00030.1
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Publication Type:
i
Refereed
Author(s):Taverner, James; Beasley, Jeffrey S.; Strahan, Ronald E.; Griffin, James L.; Borst, Steven M.
Author Affiliation:Taverner and Borst: Research Assistant; Beasley and Strahan: Assistant Professor; Griffin: Professor, School of Plant Environmental and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA
Title:Selective postemergence herbicide control of torpedograss in centipedegrass
Section:Weed management - other crops/areas
Other records with the "Weed management - other crops/areas" Section
Source:Weed Technology. Vol. 25, No. 2, April-June 2011, p. 212-216.
Publishing Information:Champaign, IL: Weed Science Society of America.
# of Pages:5
Related Web URL:http://www.bioone.org/doi/abs/10.1614/WT-D-09-00030.1
    Last checked: 05/03/2011
    Notes: Abstract only
Keywords:TIC Keywords: Application rates; Clethodim; Eremochloa ophiuroides; Herbicide evaluation; Herbicide injury; Panicum repens; Percent living ground cover; Postemergence weed control; Quinclorac; Sethoxydim; Weed infestation
Abstract/Contents:"Torpedograss infestation in centipedegrass has reduced centipedegrass quality in home lawns along the Gulf Coast. This study was conducted to evaluate three selective postemergence herbicides. Field trials were conducted at two sites in Louisiana to evaluate quinclorac, sethoxydim, and clethodim applied once or sequentially every 4 wk for selective torpedograss control in centipedegrass turf. Herbicides were applied to mixed stands of torpedograss/centipedegrass at two locations in Louisiana and evaluated for changes in torpedograss coverage and centipedegrass injury every 2 wk for 16 wk. All herbicides controlled torpedograss more with each sequential application. Sethoxydim and clethodim applied three times reduced torpedograss cover 84 and 87%, respectively, and more than quinclorac 12 wk after initial treatment (WAIT). Increasing clethodim or sethoxydim rates did not improve torpedograss control. Torpedograss regrowth occurred within weeks after final herbicide applications regardless of herbicide. Only multiple clethodim applied at twice manufacturer's labeled rate or quinclorac applications resulted in commercially unacceptable (>?25%) injury to centipedegrass. Multiple sethoxydim or clethodim applications at 0.32 kg ha-1 or 0.30 kg ha-1 every 4 wk reduced torpedograss competitiveness in centipedegrass; however, multiple applications for more than 1 yr might be necessary to achieve torpedograss control."
Language:English
References:23
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Taverner, J., J. S. Beasley, R. E. Strahan, J. L. Griffin, and S. M. Borst. 2011. Selective postemergence herbicide control of torpedograss in centipedegrass. Weed Technol. 25(2):p. 212-216.
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DOI: 10.1614/WT-D-09-00030.1
Web URL(s):
http://www.bioone.org/doi/full/10.1614/WT-D-09-00030.1
    Last checked: 05/03/2011
    Access conditions: Item is within a limited-access website
http://www.bioone.org/doi/pdf/10.1614/WT-D-09-00030.1
    Last checked: 05/03/2011
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2174615a
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