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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2008 Proceedings-SWSS.pdf#page=266
Last checked: 07/24/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Taverner, D.;
Beasley, J. S.;
Strahan, R. E. |
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| Author Affiliation: | LSU Agricultural Center, Louisiana State University, Baton Rouge |
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| Title: | Torpedograss suppression in crabgrass |
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| Section: | Weed management in turf
Other records with the "Weed management in turf" Section
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| Meeting Info.: | Jacksonville, Florida: January 27-30, 2008 |
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| Source: | 2008 Proceedings, Southern Weed Science Society. Vol. 61, 2008, p. 115. |
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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: Clethodim; Eremochloa ophiuroides; Herbicide efficacy; Herbicide evaluation; Herbicide safety; Panicum repens; Sethoxydim; Weed control
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| Abstract/Contents: | "Herbicides are available for torpedograss control in bermudagrass and zoysiagrass. However, there are currently no herbicides labeled for torpedograss control in centipedegrass. A field study was conducted in 2007 at LSU Campus Federal Credit Union in Baton Rouge in centipedegrass heavily infested with torpedograss. The study evaluated the efficacy of sethoxydim, clethodim, and quinclorac for torpedograss control and centipedegrass safety. Herbicide treatments included: sethoxydim at 1X (2.25 pt/A) and 2X (4.50 pt/A) rates, clethodim at 1X (17 oz/A) and 2X (34 oz/A) rates, and quinclorac at 1/2X (0.50 lb/A) rate. Herbicide treatments were applied as a single application or as sequential treatments for a total of 2 or 3 application times. All multiple applications were made on 28 day intervals. The study design was randomized complete block with four replicates. Plots were 5ft X 7 ft. Herbicides were applied with a CO2 pressurized backpack sprayer equipped with three 8002 XR flat fan nozzles that delivered 25 GPA at 30 psi. An initial evaluation of percent torpedograss coverage was obtained to provide a covariate. Parameters measured were percent torpedograss coverage and percent injury to both torpedograss and centipedegrass. Data were collected on two week intervals. Data will be subjected to analysis of variance (P=0.05) and means will be separated using Fisher's LSD. Single applications of sethoxydim did not reduce torpedograss coverage to acceptable levels (<15%). Sethoxydim applied 2 or 3 times (28 day intervals) temporarily reduced torpedograss coverage to acceptable levels. However, coverage was unacceptable for all treatments 16 weeks after the initial application. These data indicate that more than three applications will be necessary to achieve acceptable torpedograss control. Both sethoxydim and clethodim applied 3 times provided temporarily acceptable reduction in torpedograss coverage. However, clethodim appeared to cause greater visual injury to the centipedegrass. Quinclorac did not provide an acceptable reduction in torpedograss coverage." |
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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):
Taverner, D., J. S. Beasley, and R. E. Strahan. 2008. Torpedograss suppression in crabgrass. South. Weed Sci. Soc. Proc. 61:p. 115. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2008 Proceedings-SWSS.pdf#page=266
Last checked: 07/24/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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