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| Web URL(s): | http://archive.lib.msu.edu/tic/rpr/1991/Turfgrass/29775, Texas A&M, Engelke, zoysia.PDF
Last checked: 03/22/2013
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Material Type: | Manuscript |
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| Monographic Author(s): | Engelke, M. C.; Marcum, K. B.; Morton, S. J. |
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| Author Affiliation: | Engelke: Principle Investigator; Marcum: Technical Support and Assistant Research Scientist; and Morton: Technical Support and Research Assistant |
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| Monograph Title: | Zoysiagrass Breeding and Development: 1991 Annual Zoysiagrass Research Report, 1991. |
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| Publishing Information: | [College Station, Texas: Texas A&M University] |
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| # of Pages: | 54 |
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| Collation: | i, [1], 52 pp. |
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| Abstract/Contents: | "The zoysiagrass project in its 8th year of funding. To date a total of $337,085 has been invested by the United States Golf Association in the development of zoysiagrasses which are better adapted to natural environmental conditions. 1991 marks the initiation of an extensive state wide testing program for Zoysiagrasses through the National Turfgrass Evaluation Program (NTEP). Material of 24 unique experimental and commercial cultivars were vegetatively increased by this project and distributed to 39 locations throughout the United States extending from Tangent, Oregon to Kingston, RI to Riverside, CA and West Palm Beach, FL. The USGA/TAES zoysiagrass breeding program has nine elite entries in this trial. These entries range in texture from rather broad leaved aggresive Z. japonica's to fine texture, highly rhizomatous Z. matrella types. These elite lines were selected for a combination of characters related to survival and turf quality under natural environmental conditions. Specific emphasis was placed on low water-use, competitive ability against weed invasion, recovery from injury, low fertility, and production characters. The nine entries are all vegetative. Numerous hybrids have been produced which show seed production potential and will be included in the next cycle of NTEP evaluations. Extensive field plantings have been made in Georgia, Florida and Texas using a 'near-release' elite variety to evaluate its performance in these environments as well as to assess performance under shaded tees, and putting green conditions. All areas were solid sodded in July-August, 1991. A cooperative project was initiated with Dr. Bob Carrow as he examines water use and fertility requirements of selected zoysiagrasses under Georgia conditions. This study in combination with performance data from the NTEP will add substantially to the understanding of varietal adaptation in other regions of the country. The Linear Gradient Irrigation System study with 26 zoysiagrass has been terminated after 5 years of testing. The area will be excavated, fumigated and reestablished to larger plots areas of the most promising lines from the project. The future studies will enable us to evaluate the nutritional and mowing response of the new varieties under a water-gradient. To date this information is lacking. By lowering the water input, it is imperative to understand how the associated cultural practices must be altered, i.e. fertility, mowing, aerification, etc. to maximize turf performance." |
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| Language: | English |
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| References: | 0 |
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| See Also: | See also related summary article, "Breeding and development of zoysiagrass", 1991 Turfgrass Research Summary [USGA/GCSAA], 1991, p. 22, R=29775. R=29775 |
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| Note: | Includes appendix: "Participants in the 1991 NTEP zoysiagrass performance trials"; pp. 7-11
Includes appendix: "Nitrogen enrichment and mowing height effects on zoysiagrass performance"; pp. 12-17
Includes appendix: "1991 Update on performance of zoysiagrass cultivars and elite DALZ lines under linear gradient irrigation"; pp. 18-41
Includes appendix: "Turfgrass root investigation"; pp. 42-47
Includes appendix: "Zoysiagrass hybridization - Progeny development"; pp. 48-52
"Research Period: 1 November 1990 to 1 November 1991"
"USGA Zoysia 1991 Annual Report"
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| Web URL(s):
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Last checked: 03/22/2013
Requires: PDF Reader |
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