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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2011 Proceedings-SWSS.pdf#page=260
Last checked: 08/05/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Kline, W. N.;
Sleugh, B. B.;
Peterson, V. F.;
Burch, P. L.;
Belcher, J.;
Enloe, S. F.;
Ferrell, J. A.;
Yelverton, F. H.;
Warren, L. S.;
Smeda, R. J. |
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| Author Affiliation: | Kline, Sleugh, Peterson and Burch: Dow AroSciences, Duluth, GA, West Des Moines, IA, Mulino, OR and Christianburg, VA; Belcher and Enloe: Auburn University, AL; Ferrell: University of Florida, Gainesville; Yelverton and Warren: N.C. State University, Raleigh; Smeda: University of Missouri, Columbia |
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| Title: | Utility of aminopyralid + metsulfuron for weed control, seedhead and grass height suppression in bahia and fescue roadsides |
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| Section: | Vegetation management in utilities, railroads & highway rights of way; industrial sites
Other records with the "Vegetation management in utilities, railroads & highway rights of way; industrial sites" Section
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| Meeting Info.: | San Juan, Puerto Rico: January 24-26, 2011 |
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| Source: | 2011 Proceedings, Southern Weed Science Society. Vol. 64, 2011, p. 152. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Aminopyralid; Growth regulator evaluation; Imazapic; Metsulfuron methyl; Mowing height; Seedhead inhibition
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| Trade Names: | Opensight |
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| Abstract/Contents: | "Roadside managers have dual objectives to control weeds and reduce tall vegetation that affect visibility, aesthetics, and safety on roadways. These objectives are often achieved by a combination of mowing and herbicide applications. Mowing has become more costly with recent fuel prices and increases exposure of crews on roadsides to traffic hazards. In addition to weed control, grass height management is required because overgrown vegetation limits motorist visibility and increases hazards. Herbicide applications containing sulfometuron-methyl, imazapic, chlorsulfron, and metsulfuron-methyl have been used as plant growth regulators (PGRs) to suppress grass growth and seed head development on many cool- and warm-season grasses found on roadside rights-of-way. Aminopyralid + metsulfuron (Opensight®) is a new herbicide product from Dow AgroSciences for control of weeds and certain woody plants, including invasive and noxious weeds, on noncropland areas including roadsides, electric utility and communication transmission lines, pipelines, railroads, non-irrigation ditch banks, natural areas, and grazed areas in and around these sites. Trials were established in 2010 in Alabama, Florida, Missouri, Mississippi and North Carolina to compare performance of Opensight to commercial standards for weed control, grass height and grass seed head suppression. Opensight and mixtures with Opensight provided better weed control efficacy when compared to imazapic on weeds such as goldenrod (Solidago canadensis), narrow-leaf plantain (Plantago lanceolata), common catsear (Hypochoeris radicata), cudweed (Gnaphalium sp.), poison hemlock (Conium maculatum), curly dock (Rumex crispus), hop clover (Trifolium aureum) and others. In addition to weed control, Opensight provided excellent foliage height and seedhead suppression on both fescue (Schedonorus phoenix) and bahiagrass (Paspalum notatum). Across all trials, growth suppression was generally equivalent between Opensight and imazapic up to about 70 DAT. Based upon these field trials, foliage injury to tall fescue from Opensight® or Plateau was minimal and should not be a concern. Foliage injury to bahiagrass from Opensight® or Plateau is significant enough to create a visual impact on roadside turf and can last for approximately 2 months. Observations from these trials, suggest that bahiagrass injury is transient, recovering after approximately 60 DAT. In one trial with common bermudagrass (Cynodon dactylon), imazapic significantly injured (clorosis) and thinned the bermudagrass stand. This allowed tall growing weeds to flourish and negate the effect of this treatment to reduce mowing frequency. For roadside turf management, Opensight provides weed control, grass height and seed head suppression without the need for adding imazapic. Use of Opensight will result in cost savings while delivering broad spectrum weed control and grass growth suppression. ® Trademark of Dow AgroSciences LLC When treating areas in and around roadside or utility rights-of-way that are or will be grazed or planted to forage, important label precautions apply regarding harvesting hay from treated sites, using manure from animals grazing on treated areas or rotating the treated area to sensitive crops. See the product label for details. State restrictions on the sale and use of Opensight apply. Consult the label before purchase or use for full details. Always read and follow label directions." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kline, W. N., B. B. Sleugh, V. F. Peterson, P. L. Burch, J. Belcher, S. F. Enloe, et al. 2011. Utility of aminopyralid + metsulfuron for weed control, seedhead and grass height suppression in bahia and fescue roadsides. South. Weed Sci. Soc. Proc. 64:p. 152. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2011 Proceedings-SWSS.pdf#page=260
Last checked: 08/05/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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