Full TGIF Record # 278315
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Web URL(s):https://scisoc.confex.com/scisoc/2016am/webprogram/Paper99448.html
    Last checked: 11/28/2016
Publication Type:
Content Type:Abstract or Summary only
Author(s):Straw, Chase M.; Jing, Shan; Johnston, Christopher R.; Malladi, Anish; van Iersel, Marc; Henry, Gerald M.
Author Affiliation:Straw: University of Georgia-Athens, Athens, GA; Jing: University of Georgia, Athens, GA; Johnston: University of Georgia - Griffin, Griffin, GA; Malladi: Horticulture, University of Georgia, Athens, GA; van Iersel: Department of Horticulture, University of Georgia, Athens, GA; Henry: University of Georgia-Athens, Athens, GA
Title:Growth and physiological response of several warm season turfgrasses to shade
Section:C05 turfgrass science
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Turfgrass science poster
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Meeting Info.:Phoenix, Arizona: November 6-9, 2016
Source:ASA, CSSA and SSSA International Annual Meetings. 2016, p. 99448.
Publishing Information:[Milwaukee, Wisconsin]: [American Society of Agronomy and the Entomological Society of America]
# of Pages:1
Keywords:TIC Keywords: Cultivar evaluation; Cynodon dactylon x Cynodon transvaalensis; Eremochloa ophiuroides; Growth factors; Physiological responses; Shade resistance; Stenotaphrum secundatum; Warm season turfgrasses; Zoysia japonica
Cultivar Names:TifTuf; TifGrand; Zenith; TifBlair; Palmetto
Abstract/Contents:"Research was conducted in a greenhouse in 2015 to evaluate the growth and physiological response of several warm-season turfgrasses to moderate levels shade during establishment. The five turfgrasses evaluated were 'TifTuf' and 'TifGrand' hybrid bermudagrasses [Cynodon dactylon (L.) ┼ĺ C. transvaalensis Burtt-Davy], 'Zenith' zoysiagrass (Zoysia japonica Steud.), 'TifBlair' centipedegrass [Eremochloa ophiuroides (Munro) Hack], and 'Palmetto' St. Augustinegrass [Stenotaphrum secundatum (Walt.) Kuntze]. Sprigs were transplanted into pots (81.9% sand, 10.0% silt, and 8.1% clay) and given two weeks to establish prior to shade treatments [0% (control), 30%, and 47% shade]. Turfgrasses were mowed once a week with handheld shears (maintained at a height of 6.4 cm) and watered as needed. Several growth [percent cover, specific leaf area (SLA), leaf length, leaf width, internode length, weight of dry clipping, and dry root/shoot biomass] and physiological (chlorophyll a and b, total nonstructural carbohydrates, electron transport rate, and quantum yield of photosystem II) responses were measured bi-weekly, or every 4 weeks, during the 8 week duration of the study. At 8 weeks after shade treatment (WAST) TifGrand and Zenith were the only turfgrasses to exhibit differences in cover between 0 and 30% shade (P < 0.05). No differences in cover were observed for any turfgrass between 30 and 47% shade (P < 0.05). Differences in SLA between shade treatments were only observed for TifBlair (30% shade) at 4 and 8 WAST and Palmetto (0% shade) at 8 WAST (P < 0.05). No differences were observed in leaf length between shade treatments with TifGrand, Zenith, and Palmetto; however, difference did occur with TifTuf (47% shade) and TifBlair (0% shade) (P < 0.05). The only difference observed in leaf width between shade treatments was Palmetto (30% shade) at 8 WAST (P < 0.05). Zenith under 0% shade exhibited differences in internode length at 8 WAST (P < 0.05). No differences were observed in dry clipping weight between treatments at 6 or 8 WAST for any turfgrass except TifBlair (47% shade) at 6 WAST (P < 0.05). Root and shoot biomass for each turfgrass at the end of the 8 weeks was highest under 0% shade. No differences in root and shoot biomass were observed between the 30 and 47% treatments for each turfgrass (P < 0.05). Physiological response data are in the process of analysis."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Straw, C. M., S. Jing, C. R. Johnston, A. Malladi, M. van Iersel, and G. M. Henry. 2016. Growth and physiological response of several warm season turfgrasses to shade. Agron. Abr. p. 99448.
Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=278315
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    Last checked: 11/28/2016
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