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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2004%20Proceedings-SWSS.pdf#page=192
Last checked: 07/16/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Warren, L. S. Jr.;
Yelverton, F. H. |
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| Author Affiliation: | Department of Crop Science, North Carolina State University, Raleigh, NC |
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| Title: | Viola species control using sulfonylurea herbicides |
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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. 94. |
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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: Comparisons; Herbicide efficacy; Herbicide evaluation; Sulfonylurea herbicides; Viola; Weed control
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| Abstract/Contents: | "Trials were conducted in 2003 comparing sulfonylurea herbicides against broad-spectrum broadleaf herbicide industry standards for field pansy and wild violet control in bermudagrass turf. Field pansy treatments included flazasulfuron, rimsulfuron (TranXit GTA) and trifloxysulfuron (Monument) applied at 2.25, 1 and 0.47 ounces of product per acre (oz/A), respectively, and foramsulfuron (Revolver) applied at 1.09 pints per acre (pt/A). These treatments received a nonionic surfactant at 0.25% v/v. Comparison treatments included carfentrazone + 2,4-D + mecoprop + dicamba (Speed Zone), mcpa + triclopyr + dicamba (Cool Power), triclopyr + clopyralid (Confront) and 2,4-D + mecoprop + dicamba (Trimec Classic) applied at 3.5, 3, 1 and 3.25 pt/A, respectively. Wild violet treatments included the above-mentioned sulfonylurea herbicides in addition to metsulfuron (Manor) and sulfosulfuron applied at 0.75 and 1.5 oz/A, respectively. These treatments also received a nonionic surfactant at 0.25% v/v. Comparison treatments included Confront applied at 1 and 2 pt/A, Trimec Classic applied at 3.5 pt/A and 2,4-D + clopyralid + dicamba (Millennium Ultra) applied at 2.5 pt/A. The field pansy trial was initiated March 24. Plants averaged 3 inches in height and were flowering with a density of 3 per ft2. Percent control ratings were recorded at 9, 18, 28, 35 and 46 days after treatment (DAT). The wild violet trial was initiated June 2 with plants only 1 to 2 inches in height. The test area had recently been mowed (scalped) as this site was a low maintenance area. Wild violet plants averaged 4 per ft2. Percent control ratings were recorded at 15, 28, 50 and 64 DAT. Excellent field pansy control (>90%) was achieved with Speed Zone 18 DAT. At this time, Confront was providing 62% control, which was greater than control provided by Revolver or TranXit, 23 and 28%, respectively. By 35 DAT, all treatments provided >95% control except Trimec Classic (45%). Wild violets were controlled at least 86% with Manor, sulfosulfuron, flazasulfuron and 2 pt/A Confront 15 DAT. All sulfonylurea herbicides tested provided greater control than 1 pt/A Confront, Millennium Ultra and Trimec Classic at this time. At 50 DAT, Manor, sulfosulfuron, flazasulfuron and Monument provided at least 85% wild violet control. 2 pt/A Confront control dropped to 43%. Revolver and TranXit GTA at 50 and 64 DAT provided similar control as that of 1 and 2 pt/A Confront, Millennium Ultra and Trimec Classic (<50% 50 DAT, <30% 64 DAT). By 64 DAT, Manor, sulfosulfuron and flazasulfuron provided at least 74% wild violet control, with Manor providing total (100%) control. Monument at 64 DAT provided 61% control, which was greater that control with Trimec Classic (24%). These data suggest that excellent field pansy control (>95%) can be achieved with sulfonylurea herbicides as well as Confront, Cool Power and Speed Zone. Trimec Classic does not provide acceptable control. Good to excellent season-long wild violet control (74 to 100%) may be achieved with single applications of Manor, sulfosulfuron and flazasulfuron. Single applications of Confront, Millennium Ultra, Trimec Classic, Revolver and TranXit GTA provided <45% control." |
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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):
Warren, L. S. Jr., and F. H. Yelverton. 2004. Viola species control using sulfonylurea herbicides. South. Weed Sci. Soc. Proc. 57:p. 94. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2004%20Proceedings-SWSS.pdf#page=192
Last checked: 07/16/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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