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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2004%20Proceedings-SWSS.pdf#page=204
Last checked: 07/17/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Wells, D. W.;
Taylor, J. M.;
Byrd, J. D. Jr.;
Hutto, K. C. |
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| Author Affiliation: | Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS |
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| Title: | Virginia buttonweed control with ALS-inhibiting herbicides applied alone and with Trimec Classic |
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| Section: | Weed management in turf crops
Other records with the "Weed management in turf crops" Section
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| Meeting Info.: | Memphis, Tennessee: January 26-28, 2004 |
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| Source: | Proceedings: Southern Weed Science Society: 57th Annual Meeting. Vol. 57, 2004, p. 106. |
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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: 2,4-D + Mecoprop + Dicamba; Acetolactate synthase-inhibiting herbicides; Diodia virginiana; Herbicide combinations; Herbicide efficacy; Herbicide evaluation; Weed control
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| Trade Names: | Trimec Classic |
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| Abstract/Contents: | "Virginia buttonweed (Diodia virginiana) is considered by many Southern U.S. turf managers as the number one weed pest of managed turf, especially in residential lawns within the Gulf Coast states. This spreading perennial broadleaf reproduces by seed, roots and stem fragments making it very prolific and difficult to control. The objectives of this experiment were: 1) to evaluate the efficacy of ALS-inhibiting herbicides on Virginia buttonweed when applied alone or tank-mixed with 2 pt/A Trimec Classic (2,4-D, MCPP, dicamba) 2.72 EC; 2) compare these treatments to a recommended standard of 3 pt/A Trimec Classic followed by a sequential application approximately 30 days later; and 3) determine turf tolerance to these herbicide treatments. Herbicides applied alone and in combination with Trimec Classic at 2pt/A included the following: Monument (trifloxysulfuron) 75WG at 0.56 oz/A; Revolver (foramsulfuron) 0.19L at 26.0 oz/A; Battalion (sulfosulfuron) 75DF at 2.6 oz/A; Image (imazaquin) 70DF at 0.71 lb/A; Corsair (chlorsulfuron) 75DF at 3.0 oz/A; Tranxit (rimsulfuron) 25DF at 2.0 oz/A; Manor (metsulfuron) 60DF at 1.0 oz/A; Manage (halosulfuron) 75DF at 1.33 oz/A; Katana (flazasulfuron) 25DG at 3.0 oz/A. Trimec Classic at 2.0 pt/A; Trimec Classic at 3.0 pt/A followed with a sequential application of 3.0 pt/A; and an untreated control were also included as comparison treatments. A non-ionic surfactant was added at 0.25% v/v to all treatments except the Revolver and Trimec Classic alone treatments. Evaluations were made at 7, 16, 22, 30, 57 and 92 days after the initial herbicides application (DAT) which was applied July 16, 2003. Statistical differences (LSD) were determined at p=0.05. At 7 DAT, no treatment provided greater than 43% control, however, there was an additive effect with the tank-mix combinations. At 16 DAT only the Manor plus Trimec Classic treatment reached 80% control, but was not statistically different from any other tank-mix combination or Trimec Classic alone. No other treatments applied alone provided greater than 58% control at 16 DAT. By DAT, rating, all tank-mix treatments, except Manage plus Trimec Classic (73%), provided 80% or greater control as did the Trimec Classic alone at 3.0 pts/A. At 30 DAT Corsair (95%) was the only single product alone treatment providing greater than 80% control. Tank-mix treatments above 80% control at 30 DAT included Monument (88%), Battallion (93%), Image (80%), Corsair (98%), Manor (93%), and Katana (85%). By the 57 DAT rating, Virginia buttonweed recovery and regrowth begin to separate treatment effects with Corsair (80%) and Trimec Classic 3 pts/A (95%) being the only single product treatments with greater than 53% control. Tank-mix treatments still above 80% control included Monument (85%) Battalion (85%), Corsair (93%), Manor (88%), and Katana (80%) with only Manage (55%) being statistically different from any of the tank-mix treatments. At 92 DAT the only treatment not containing Trimec Classic that gave greater than 43% control was Corsair which was still providing 83% control. All tank-mix combinations other than Manage (60%) were still providing from 73-95% control at 92 DAT compared to the Trimec Classic 3 pts/A plus 3 pts/A sequential which provided 95% control of Virginia buttonweed. Turf tolerance was never an issue with any treatments. The highest injury rating to the Tifway bermudagrass was only 16% at the 7 DAT rating. By the 16 DAT rating and beyond, injury ratings for all treatments were 0%." |
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| Language: | English |
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| References: | 0 |
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| Note: | "The changing world of weed science"
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wells, D. W., J. M. Taylor, J. D. Jr. Byrd, and K. C. Hutto. 2004. Virginia buttonweed control with ALS-inhibiting herbicides applied alone and with Trimec Classic. South. Weed Sci. Soc. Proc. 57:p. 106. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2004%20Proceedings-SWSS.pdf#page=204
Last checked: 07/17/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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