Full TGIF Record # 227379
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Web URL(s):http://www.swss.ws/wp-content/uploads/docs/2013 Proceedings-SWSS.pdf#page=237
    Last checked: 08/12/2013
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Publication Type:
i
Report
Author(s):Straw, C. M.; Henry, G. M.; Cooper, T.; Beck, L.
Author Affiliation:Straw and Henry: University of Georgia, Athens, GA; Cooper and Beck: Texas Tech University, Lubbock, TX
Title:Tolerance of perennial ryegrass overseeding to residual activity of Tribute Total
Section:Graduate student oral paper contest
Other records with the "Graduate student oral paper contest" Section
Meeting Info.:Houston, Texas: January 28-30, 2013
Source:Proceedings of the Southern Weed Science Society: 66th Annual Meeting. Vol. 66, 2013, p. 150.
Publishing Information:Champaign, Illinois: Southern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Application timing; Establishment; Evaluations; Festuca arundinacea; Herbicide rates; Lolium perenne; Overseeding; Residual effects
Cultivar Names:Tribute
Abstract/Contents:"Research was conducted from August to December 2011 on a common bermudagrass [Cynodon dactylon (L.) Pers.] fairway at Reese Golf Course (Lubbock, TX) and a 'Tifway 419' hybrid bermudagrass (Cynodon dactylon x. C. transvaalensis Burtt-Davy) fairway at the Rawls Golf Course (Lubbock, TX). Plots were arranged in a 2 x 4 factorial within a randomized complete block design with four replications. The main factor was herbicide rate and the sub-factor was application timing [weeks before overseeding (WBO)]. Treatments included thiencarbazone + foramsulfuron + halosulfuron (Tribute Total) at 136 and 271 g ai ha-1 + MSO at 0.5% v/v applied on August 15, 2011 (8 WBO), August 29, 2011 (6 WBO), September 12, 2011 (4 WBO), and September 26, 2011 (2 WBO). Treatments were applied to 1.5 x 1.5 m plots with a CO2 powered boom sprayer equipped with XR8004VS nozzle tips calibrated to deliver 375 L ha-1 at 221 kPa. The entire experimental area was overseeded with perennial ryegrass (Lolium perenne L.) at 392 kg ha-1 on October 10, 2011. The research area was verticut in two directions to a depth of 0.6 cm to open the canopy for overseeding without disturbing the soil profile. Perennial ryegrass seed was broadcast in two directions using a shaker jar. Perennial ryegrass cover was evaluated bi-monthly through December 2011 using digital image analysis. As Tribute Total rate increased and applications were made closer to overseeding, perennial ryegrass establishment decreased. Untreated check plots exhibited 80% perennial ryegrass cover on December 14, 2011. Similar ryegrass cover (75% to 76%) was observed on December 14, 2011 in plots sprayed with Tribute Total at 136 g ai ha-1 applied 6 and 8 WBO, respectively. Ryegrass cover in response to Tribute Total at 136 g ai ha-1 applied 4 and 2 WBO was 45 and 36%, respectively. No Tribute Total treatment at the 271 g ai ha-1 rate exhibited similar ryegrass cover to the untreated check, regardless of application timing. Ryegrass cover in response to Tribute Total at 271 g ai ha-1 applied 8, 6, 4, and 2 WBO was 54%, 40%, 43%, and 16%, respectively. Applications of Tribute Total may be limited to rates of 136 g ai ha-1 made 6 WBO when utilized in overseeded bermudagrass turf in order to avoid reductions in perennial ryegrass establishment."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Straw, C. M., G. M. Henry, T. Cooper, and L. Beck. 2013. Tolerance of perennial ryegrass overseeding to residual activity of Tribute Total. South. Weed Sci. Soc. Proc. 66:p. 150.
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http://www.swss.ws/wp-content/uploads/docs/2013 Proceedings-SWSS.pdf#page=237
    Last checked: 08/12/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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