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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2003%20Proceedings-SWSS.pdf#page=187
Last checked: 07/15/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Yelverton, F. H.;
Gannon, T. W.;
Hinton, J. D.;
Warren, L. S. |
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| Author Affiliation: | Department of Crop Science, North Carolina State University, Raleigh, NC |
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| Title: | Weed control and turfgrass tolerance to flazasulfuron |
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| Section: | Weed management in turf, pasture, and rangeland
Other records with the "Weed management in turf, pasture, and rangeland" Section
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| Meeting Info.: | Houston, Texas: January 27-29, 2003 |
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| Source: | Proceedings: Southern Weed Science Society: 56th Annual Meeting. Vol. 56, 2003, p. 101. |
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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: Flazasulfuron; Herbicide efficacy; Herbicide evaluation; Herbicide resistance; Sulfonylurea herbicides; Weed control
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| Abstract/Contents: | "Sulfonylurea herbicides have proven effective in controlling many annual and perennial weeds in turfgrass systems. Currently, there are several experimental sulfonylurea herbicides being evaluated for various applications in turfgrass systems. Research trials were initiated to investigate weed control and turfgrass toleran ce to flazasulfuron, an experimental sulfonylurea herbicide under investigation by ISK Biosciences. Turfgrass tolerance trials were conducted on 'Confederate' tall fescue (Festuca arundinacea ), 'Sahara' bermudagrass (Cynodon dactylon ), 'Tifsport' bermudagrass, 'Tifway 419' bermudagrass, and 'El Toro' zoysiagrass (Zoysia japonica ). Tolerance trials included flazasulfuron 25DF applied at 1.4 - 5.7 oz product per acre and included a non-ionic surfactant. Flazasulfur on was also evaluated for control of purple nutsedge (Cyperus rotundus ), a tough to control perennial sedge species. Trials were arranged in randomized complete block designs, included four replicates, and means were separated according to Fisher's Protected LSD (P=0.05). Flazasulfuron caused slight phytotoxicity (<= 20%) applied after full greenup to 'Sahara' bermudagrass, 'Tifway 419' bermudagrass, 'Tifsport' bermudagrass, and 'El Toro' zoysiagrass. Applied to bermudagrass during transition (50% greenup), minimal turfgrass quality reductions were observed at four weeks after treatment. However, flazasulfuron applied to 'Confederate' tall fescue was detrimental. Flazasulfuron pr ovided > 85% control of purple nutsedge 4 weeks after initial treatment (WAIT) while control ra nged from 75 - 86% control 12 WAIT. Further, sequential applications of flazasulfuron did not enhance purple nutsedge control compared to single applications." |
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| Language: | English |
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| References: | 0 |
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| Note: | "Invasive weeds: Real or imagined threat?"
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yelverton, F. H., T. W. Gannon, J. D. Hinton, and L. S. Warren. 2003. Weed control and turfgrass tolerance to flazasulfuron. South. Weed Sci. Soc. Proc. 56:p. 101. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2003%20Proceedings-SWSS.pdf#page=187
Last checked: 07/15/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2207931 |
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Digitally in TIC by file name: swssp2003 |
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