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| Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/2009jou1205.pdf
Last checked: 10/18/2011
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| Publication Type:
| Refereed |
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| Author(s): | Mittlesteadt, Tyler L.;
Goatley, J. Michael Jr.;
Askew, Shawn D.;
Hensler, Kevin L.;
Askew, Whitnee L. |
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| Author Affiliation: | Mittlesteadt and Askew: Department of Plant Pathology, Physiology and Weed Science; Goatley, Hensler and Askew: Crop Soils and Environmental Science Department, Virginia Polytechnic Insitute and State University, Blacksburg, Virginia |
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| Title: | Low-impact conversion of cool-season turf to 'patriot' bermudagrass |
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| Section: | Weed science
Other records with the "Weed science" Section
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| Meeting Info.: | Santiago, Chile: July 26-30 2009 |
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| Source: | International Turfgrass Society Research Journal. Vol. 11, No. Part 2, 2009, p. 1205-1212. |
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| Publishing Information: | Madison, WI: International Turfgrass Society |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Athletic fields; Conversion; Cynodon dactylon; Establishment rate; Ground cover; Growth regulators; Quality evaluation; Transition zone
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| Cultivar Names: | Patriot |
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| Abstract/Contents: | "Higher maintenance costs of cool-season turfgrasses coupled with availability of bermudagrasses with improved cold hardiness has lead to increased interest in conversion of athletic fields to bermudagrass (Cynodon sp.) in the US transition zone. 'Patriot' bermudagrass (Cynodon dactylon L. Pers. X C. transvaalensis Burtt-Davy) is a high quality turf that displays cold hardiness and a vigorous growth habit, making it useful in the US transition zone. Studies were conducted at the Virginia Tech Turfgrass Research Center in Blacksburg, VA and Bridgewater College near Harrisonburg, VA in 2006. In 2007, the trial was repeated at the Virginia Tech Golf Course in Blacksburg, VA. Our objectives were to evaluate pre-planting vegetation-management treatments as they affect the establishment of row-planted Patriot bermudagrass, and determine if a cool-season turf can be converted to bermudagrass in a manner that minimizes effects on turf quality. Four pre-planting treatments were applied to a mixture of Kentucky bluegrass (Poa pratensis L.) and perennial ryegrass (Lolium perenne L.), on 19 May 2006 and 17 May 2007. These four treatments included: 1. nontreated control, 2. partially kill existing vegetation in 5 cm-wide strips on 15 cm centers using glyphosate at 4.5 kg ai ha-1 in 561 L ha-1 carrier volume, 3. completely kill existing vegetation using glyphosate at 4.5 kg ai ha-1 in 280 L ha-1, and 4. applying trinexapac ethyl at 0.39 kg ai ha-1 in 281 L ha-1. On 26 May 2006 and 24 May 2007 Patriot bermudagrass was sprigged at 430 sprigs m-2. Results from these three trials indicate that complete or partial kill of the existing cool-season turf results in quicker conversion to bermudagrass. However, quality and percent total ground cover is sacrificed up to 10 weeks after planting when totally killing existing turf. Nontreated and trinexapac ethyl treatment resulted in similar bermudagrass establishment rates of 50 to 80% after 10 weeks. An advantage to these treatments is that total ground cover never fell below 90%. Partial-kill plots were similar in that turf cover was at least 70% for the duration of the study. Although sprigged bermudagrass can be rapidly established after killing existing vegetation, these results indicate higher turfgrass quality can be maintained by row-planting bermudagrass sprigs directly into existing turf. Partially killing existing turf can substantially speed establishment while maintaining acceptable turf quality. Trinexapac ethyl and nontreated plots maintained the highest turfgrass quality and slowest, but acceptable, establishment rates." |
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| Language: | English |
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| References: | 21 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mittlesteadt, T. L., J. M. Jr. Goatley, S. D. Askew, K. L. Hensler, and W. L. Askew. 2009. Low-impact conversion of cool-season turf to 'patriot' bermudagrass. Int. Turfgrass Soc. Res. J. 11(Part 2):p. 1205-1212. |
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MSU catalog number: b2548899 |
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