Full TGIF Record # 227011
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Web URL(s):http://www.swss.ws/wp-content/uploads/docs/2012 Proceedings-SWSS.pdf#page=134
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Report
Author(s):Malm, K.; McCarty, B.; Totten, F. W.
Author Affiliation:Malm: University of Tennessee at Martin, Martin, TN; McCarty: McCarty: Clemson University, Clemson, SC; Totten: University of Tennessee at Martin, Athens, AL [Martin, TN]
Title:An evaluation of plant growth regulator usage on 'Empire' zoysiagrass and 'Patriot' bermudagrass
Section:Posters
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Meeting Info.:Charleston, South Carolina: January 23-25, 2012
Source:2012 Proceedings, Southern Weed Science Society. Vol. 65, 2012, p. 62.
# of Pages:1
Publishing Information:Champaign, Illinois: Southern Weed Science Society
Keywords:TIC Keywords: Comparisons; Cynodon dactylon; Growth regulator evaluation; Mepiquat; Plant growth regulators; Trinexapac-ethyl; Zoysia japonica
Cultivar Names:Empire; Patriot
Abstract/Contents:"The objective of this study was to compare and contrast the efficacy of mepiquat chloride, mepiquat pentaborate, and trinexapac-ethyl on growth regulation of 'Empire' zoysiagrass and 'Patriot' bermudagrass. The study was conducted from 24 June to 22 July 2011, The University of Tennessee at Martin turfgrass research site. Experimental design was a randomized complete block with three replications. Plot size was 3 m2. Turf was mowed three times weekly at 2.3 cm, and irrigated to maintain a well-watered status. Mepiquat chloride (MC), mepiquat pentaborate (MP), and trinexapac-ethyl (TE) were applied alone at each of the following rates: 0.40, 0.80, and 1.60 L/ha. Treatments were applied with a CO2 backpack sprayer calibrated to deliver 187 L/ha. A single application was made on June 24, and turf quality, turf injury, and clipping yield were evaluated 3, 7, 14, 21, and 28 days after application (DAA). Turf quality was rated visually on a scale from 1 to 9, where 1 = brown turf and 9 = dark green turf with < 7 being unacceptable. Turf injury was visually assessed on a scale of 0 to 100% with > 30% being unacceptable. Data was analyzed using ANOVA, and means were compared using Fisher's protected LSD (α=0.05). For bermudagrass, turf quality was unacceptable 7 and 14 DAA by TE alone. All other treatments were >=7 for all rating dates. Turf quality for zoysiagrass was unacceptable 7 and 14 DAA by TE at 0.80 L/ha and 7, 14, 21, and 28 DAA by TE at 1.60 L/ha. All other treatments were >=7 for all rating dates. Injury was greatest, 14 DAA, with TE alone for both turfgrass species. Injury ranged from 7 to 12% for bermudagrass and 2 to 17% for zoysiagrass. A clipping yield reduction was undetected in bermudagrass for all treatments at all rating dates compared to the untreated check. Clipping yield reductions were detected for zoysiagrass 14 DAA by MP at 0.40 and 0.80 L/ha and all rating dates 14 DAA with TE. Yields were reduced 18% with MP and from 35 to 68% with TE compared to the untreated check."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Malm, K., B. McCarty, and F. W. Totten. 2012. An evaluation of plant growth regulator usage on 'Empire' zoysiagrass and 'Patriot' bermudagrass. South. Weed Sci. Soc. Proc. 65:p. 62.
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http://www.swss.ws/wp-content/uploads/docs/2012 Proceedings-SWSS.pdf#page=134
    Last checked: 08/07/2013
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    Notes: Item is within a single large file
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