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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2003%20Proceedings-SWSS.pdf#page=176
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): | Beam, J. B.;
Barker, W. L.;
Askew, S. D. |
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| Author Affiliation: | Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute & State University, Blacksburg, VA |
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| Title: | Annual ryegrass control in newly-seeded fescue and Kentucky bluegrass |
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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. 90. |
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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: Festuca arundinacea; Herbicide efficacy; Herbicide evaluation; Herbicide injury; Lolium multiflorum; Poa pratensis; Weed control
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| Abstract/Contents: | "Sod growers typically plant cool-season grasses in the fall and harvest the next spring or summer. Fall planted grasses generally have lower weed pressure. Certified seed in Virginia have an allotment for other crop seed. Annual ryegrass (Lolium multiflorum LAM) seed are similar to tall fescue (Festuca arundinacea Schreb) in size and shape and separating them is difficult. Since seed are hard to separate and certified seed have an allotment for other crop seed, sod growers often plant annual ryegrass seed along with desired seeds. Annual ryegrass control in cool-season sod has not been reported. Tests were conducted beginning in March 2002 at a sod farm near Aylett, VA to determine herbicide control options for annual ryegrass in cool-season sod. Sod was a tall fescue (85%)/Kentucky bluegrass (15%) mix. Herbicides tested included: primisulfuron and nicosulfur on each at 0.01 fb 0.01, 0.02 fb 0.02, 0.03, and 0.05 lbs ai/A, diclofop at 0.40 fb 0.40, 0.56, 0.75 lbs ai/A, metsulfuron at 0.02 and 0.01 lbs ai/A, chlorsulfuron at 0.05 lbs ai/A, and fluazifop + fenoxaprop at 0.125 lbs ai/A. In a separate study, flazasulfuron was applied at 0.008, 0.016, 0.023, 0.035, and 0.046 lbs ai/A. A nonionic surfactant was included with each treatment at 0. 25% (v/v). Sequential applications were made two wk after initial. Nicosulfuron at all rates tested controlled annual ryegrass at least 80% 10 weeks after initial treatment (WAIT). Primisulfuron, diclofop, metsulfuron, chlorsulfuron, and fluazifop + fenoxaprop controlled annual ryegrass less than 35% 10 WAIT and injured sod less than 30% at all rating periods. All rates of nicosulfur on injured sod. Highest injury occurred with nicosulfuron at 0.02 lbs ai/A applied twice (50% 7 WAIT). Flazasulfuron at rates of 0.035 and 0.046 lbs ai/A controlled annual ryegrass and injured sod at least 90% 8 WAIT. Results indicate nicosulfuron at 0.03 lbs ai/A could be used in cool-season sod to control annual ryegrass. However, this nicosulfuron treatment may injure desirable turfgrass severely." |
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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):
Beam, J. B., W. L. Barker, and S. D. Askew. 2003. Annual ryegrass control in newly-seeded fescue and Kentucky bluegrass. South. Weed Sci. Soc. Proc. 56:p. 90. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2003%20Proceedings-SWSS.pdf#page=176
Last checked: 07/15/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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