Full TGIF Record # 162717
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Web URL(s):http://www.newss.org/proceedings/proceedings_2010.pdf#page=34
    Last checked: 07/22/2013
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Report
Content Type:Abstract or Summary only
Author(s):Elmore, M.; Koepke, R.; Brosnan, J.; Breeden, G.; Armel, G.; Walls, B.
Author Affiliation:University of Tennessee, Knoxvile, TN
Title:Control of ground ivy with applications of quinclorac and sulfentrazone
Meeting Info.:Cambridge, MA: January 4-7, 2010
Source:Proceedings: 64th Annual Meeting of the NortheasternWeed Science Society. Vol. 64, 2010, p. 18.
Publishing Information:Ithaca, NY: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Festuca arundinacea; Glechoma hederacea; Herbicide application; Herbicide combinations; Herbicide efficacy; Herbicide evaluation; Herbicide injury; Quinclorac; Sulfentrazone; Weed control
Abstract/Contents:"Ground ivy (Glechoma hederacea) commonly invades golf course and residential turf areas throughout the transition zone. Research was conducted in 2009 at two locations on Egwani Farms Golf Course (Rockford, TN) to evaluate the efficacy of a commercially available formulated mixture of sulfentrazone + quinclorac (Solitare ā„¢; FMC Professional Products) for selective postemergence ground-ivy control in tall fescue [Schedonorous phoenix (Scop.) Holub.] turf. Single applications of sulfentrazone + quinclorac were applied at rates of 0.14 + 0.42 kg ai/ha, 0.21 + 0.63 ai/ha, 0.28 + 0.84 kg ai/ha, 0.35 + 1.05 kg ai/ha, and 0.42 1.26 kg ai/ha, respectively. These treatments were compared to single applications of quinclorac + sulfentrazone +2,4-D + dicamba at 1.73 kg ai/ha, and a commercial pre-packaged mixture of 2,4-D + dicamba applied at 0.96 kg ai/ha. All treatments were applied with a CO2 powered boom sprayer calibrated to deliver 280 L/ha. The sprayer boom contained four, flat-fan nozzles spaced 25 cm apart. A wheeled aluminum frame maintained the boom height 25 cm above the surface while spraying at 124 kPa. Treatments were applied at the first location on 8 June and 6 July at the second location. Ground ivy control and tall fescue injury were rated visually utilizing a 0 (no control or injury) to 100 (complete control scale) scale at 3, 7, 14, 21, 28 and 56 days after treatment (DAT). Plots (1.5 by 3.0 m) were arranged in a randomized complete block design with three replications. Sulfentrazone + quinclorac at rates of 0.35 + 1.05 kg ai/ha, and 0.42 + 1.26 kg ai/ha were not significantly different from one another for any rating date at either location; each treatment provided greater than 80% control at 14 DAT and 90% control at 56 DAT. Control following treatment with both rates of quinclorac was significantly less than all mixtures of sulfentrazone + quinclorac at 3, 7, 14, 21, and 28 DAT at the second location. This response was also observed at the first location 3, 7, 21, and 28 DAT. Mixtures of sulfentrazone + quinclorac did not significantly increase control compared to commercial pre-packaged mixtures of quinclorac + sulfentrazone + 2,4-D + dicamba or 2,4-D + mecoprop-p + dicamba at 7, 14, 21, 28, and 56 DAT at the first location. This response was also observed at the second location at 7, 21, 28, and 56 DAT as well. No tall fescue injury was observed on any rating date."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Elmore, M., R. Koepke, J. Brosnan, G. Breeden, G. Armel, and B. Walls. 2010. Control of ground ivy with applications of quinclorac and sulfentrazone. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 64:p. 18.
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http://www.newss.org/proceedings/proceedings_2010.pdf#page=34
    Last checked: 07/22/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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