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| Web URL(s): | http://turf.rutgers.edu/research/abstracts/symposium2016.pdf#page=68
Last checked: 07/26/2016
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Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Park, Bradley S.;
Samaranayake, Hiranthi;
Murphy, James A. |
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| Author Affiliation: | Department of Plant Biology and Pathology, Rutgers University |
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| Title: | Assessing the species composition of tall fescue and Kentucky bluegrass mixtures |
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| Section: | Poster presentations
Other records with the "Poster presentations" Section
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| Meeting Info.: | New Brunswick, New Jersey: March 18, 2016 |
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| Source: | Proceedings of the Twenty-Fifth Annual Rutgers Turfgrass Symposium. Vol. 25, 2016, p. 68-69. |
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| Publishing Information: | New Brunswick, New Jersey: The Center for Turfgrass Science, Rutgers, The State University of New Jersey |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Cultivar evaluation; Festuca arundinacea; Growth analysis; Poa pratensis; Polystand; Traffic simulators; Turfgrass quality; Wear resistance; Wear testing
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| Abstract/Contents: | "Tall fescue (Festuca arundinacea Schreb.) and Kentucky bluegrass (Poa pratensis L.) cultivars are often seeded as mixtures throughout the cool temperate and transition climatic zones of the United States. The objective of this study was to assess the effect of wear stress on the species composition and performance of mixtures of tall fescue and Kentucky bluegrass. Individual plots of Kentucky bluegrass and tall fescue were seeded at 45 and 436 kg ha-1, respectively, in September 2010 on a loam soil in North Brunswick, NJ. Species mixtures were seeded at 218 and 23 kg ha-1 of tall fescue and Kentucky bluegrass, respectively. Wear was applied using the Rutgers Wear Simulator during autumn 2011, 2012, and 2013. Turfgrass quality (1 to 9 scale; 9=best turf quality) was visually rate once per month during the growing season of 2011 through 2014. The species composition of each plot was determined by identifying 24 randomly selected tillers in July 2012 and August 2013 and 2014. Data were analyzed using a 5 x 4 x 2 factorial of Kentucky bluegrass cultivars (no-Kentucky bluegrass, 'Midnight II', 'Blue Note', A05-361, and A05-361), tall fescue cultivars ('Falcon V', 'Mustang 4', 'Justice', and 'Greenkeeper') and wear (no-wear and wear) arranged in a strip plot design with three replications. As expected, wear reduced turfgrass quality of Kentucky bluegrass and tall fescue. Among tall fescue cultivars, Falcon V, Mustang 4, and Justice exhibited the best turfgrass quality after wear in 2011; additionally, plots containing Kentucky bluegrass had better turfgrass quality compared to plots without Kentucky bluegrass. The turf quality response to wear in 2012 and 2013 depended on the specific combination of tall fescue and Kentucky bluegrass cultivars. Mixing Midnight II and Blue Note Kentucky bluegrass with Greenkeeper tall fescue improved turfgrass quality compared to Greenkeeper alone on both post-wear rating dates in 2012 and 2013. Conversely, mixing A05-361 and A05-344 Kentucky bluegrass with any of the tall fescue cultivars did not improve turfgrass quality compared to the respective tall fescue cultivars alone. Thus, the turf quality of lower quality tall fescue cultivars (Greenkeeper) subjected to traffic is more likely to be better when grown as a mixture with high quality Kentucky bluegrass cultivars (Midnight II or Blue Note). Analysis of variance indicated that the Kentucky bluegrass factor explained 86, 82, and 82% of the total variation in species composition during 2012, 2013, and 2014, respectively; whereas, the tall fescue factor explained only 1, 2 and 2% during 2012, 2013, and 2014, respectively. The Kentucky bluegrass population was much greater in mixtures that contained Midnight II and Blue Note than A05-361 and A05-344 Kentucky bluegrass across all tall fescue cultivars in three years. Species population was not affected by tall fescue cultivars in 2012 but Kentucky bluegrass population was greater in Greenkeeper tall fescue compared to other tall fescues in 2013 and 2014. Interestingly, wear during the previous autumn had no effect on species composition during the next summer in any year. Data from this research suggest that the effect of mixing Kentucky bluegrass with tall fescue on turfgrass quality can be affected by the cultivar of either species. Additionally, the species composition of tall fescue and Kentucky bluegrass mixtures will be more strongly influenced by the entucky bluegrass cultivar than the tall fescue cultivar." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Original version appears in ASA, CSSA and SSSA International Annual Meetings, 2015, p. 93649, R=266945. R=266945 |
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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):
Park, B. S., H. Samaranayake, and J. A. Murphy. 2016. Assessing the species composition of tall fescue and Kentucky bluegrass mixtures. Proc. Rutgers Turfgrass Symp. 25:p. 68-69. |
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| Web URL(s):
http://turf.rutgers.edu/research/abstracts/symposium2016.pdf#page=68
Last checked: 07/26/2016
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b3696858 |
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