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| Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/2009jou1153.pdf
Last checked: 10/18/2011
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| Publication Type:
| Refereed |
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| Author(s): | Askew, Shawn D.;
Murphy, T. R. |
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| Author Affiliation: | Askew: Department of Plant Pathology, Physiology and Weed Science, Virginia Polytechnic Institute and State University, Blacksburg, Virginia; Murphy: Department of Crop and Soil Sciences, University of Georgia, Griffin, Georgia |
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| Title: | Relative mobility of transition-assisting herbicides |
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| Section: | Weed science
Other records with the "Weed science" Section
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| Meeting Info.: | Santiago, Chile: July 26-30 2009 |
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| Source: | International Turfgrass Society Research Journal. Vol. 11, No. Part 2, 2009, p. 1153-1158. |
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| Publishing Information: | Madison, WI: International Turfgrass Society |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Herbicide injury; Lolium perenne; Metsulfuron methyl; Mobility; Pronamide; Rimsulfuron; Sulfonylurea herbicides; Surface slope; Trifloxysulfuron; Watersheds
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| Abstract/Contents: | "Increased use of sulfonylurea herbicides in managed turfgrass has lead to concerns over down-slope movement in watershed and injury to neighboring sensitive turfgrass. Studies were conducted in Blacksburg, VA in 2003, Charlottesville, VA in 2004, and Griffin, GA in 2004 to evaluate injury to perennial ryegrass down slope of plots treated with transition-assisting herbicides. One by four meter plots were treated with metsulfuron at 21 g a.i. ha-1, pronamide at 560 g a.i. ha-1, rimsulfuron at 18 g a.i. ha-1, and trifloxysulfuron at 16 and 32 g a.i. ha-1. Each plot was oriented such that sideward slope was less than 1% and down slope was between 7 and 11%. Treatments were allowed to dry for 2 hours and plots received between 5 and 7 cm of water at all locations. Pronamide consistently injured perennial ryegrass (Lolium perenne L.) more than other treatments. Although the severity of perennial ryegrass injury varied by location, the distance of visible injury was consistent between locations and averaged 7.5, 3.2, and 1.4 m below treated plots for pronamide, trifloxysulfuron at 32 g a.i. ha-1 , and trifloxysulfuron at 16 g a.i. ha-1, respectively. Rimsulfuron and metsulfuron injured perennial ryegrass for a distance of less than 1 m below treated plots. All treatments completely killed perennial ryegrass in treated plots but sensitivity of perennial ryegrass to these herbicides may vary slightly. Thus, these data may be useful in predicting the relative mobility and likelihood of down-slope perennial ryegrass injury from the tested herbicides but they do not necessarily represent a direct measurement of herbicide mobility." |
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| Language: | English |
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| References: | 13 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Askew, S. D., and T. R. Murphy. 2009. Relative mobility of transition-assisting herbicides. Int. Turfgrass Soc. Res. J. 11(Part 2):p. 1153-1158. |
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MSU catalog number: b2548899 |
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