Full TGIF Record # 298136
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Web URL(s):http://archive.lib.msu.edu/tic/ressum/2017/41.pdf
    Last checked: 05/25/2018
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Publication Type:
i
Report
Author(s):Milla-Lewis, S. R.; Patton, Aaron; Schwartz, Brian
Author Affiliation:Milla-Lewis: North Carolina State University; Patton: Purdue University; Schwartz: University of Georgia
Title:Utilizing molecular technologies to develop zoysiagrass cultivars with improved cold tolerance
Section:Physiology, genetics, and breeding: Warm-season grasses
Other records with the "Physiology, genetics, and breeding: Warm-season grasses" Section
Source:Turfgrass and Environmental Research Program: 2017 Research Summaries. 2017, p. 41-46.
# of Pages:6
Publishing Information:[New York, New York]: The United States Golf Association Green Section
Keywords:TIC Keywords: Breeding aims; Breeding improvement; Cold resistance; Cultivar improvement; Turfgrass quality; Winter injury; Zoysia japonica
Cultivar Names:Victoria; Meyer
Language:English
References:0
See Also:Other Reports from this USGA research project: 2015-03-518
Note:Pictures, color
Figures
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USGA Summary Points:A mapping population of 175 individuals has been developed crossing cold-tolerant cultivar 'Meyer' and cold susceptible cultivar 'Victoria'. The mapping population was established in June 2014 in Laurel Springs, NC, and West Lafayette, IN in 3'x3' plots in three replications in randomized complete block design (RCBD). Additionally, the population was replanted at these locations in June 2015 for secondary evaluations during the 2015-2016 winter season. The mapping population was evaluated for winter injury establishment, and turf quality pre- and post-freezing in 2014-2016. Significant variation in all four traits was observed in the population, including ten lines that performed as well as or better than Meyer in terms of winter injury across all environments. A total of 2,463 DNA markers were used to construct a high-density genetic map of the zoysiagrass genome. The map covers all 20 chromosomes and is the first high density genetic map of the Zoysia japonica genome. Using the genetic map and field data, seven regions of interest where QTL for three or more of the traits evaluated co-located were found on chromosomes 8, 11, and 13. These genomic regions and markers linked with them will be valuable in implementing marker assisted selection for winter hardiness in a zoysiagrass breeding program.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Milla-Lewis, S. R., A. Patton, and B. Schwartz. 2017. Utilizing molecular technologies to develop zoysiagrass cultivars with improved cold tolerance. USGA Turfgrass Environ. Res. Summ. p. 41-46.
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http://archive.lib.msu.edu/tic/ressum/2017/41.pdf
    Last checked: 05/25/2018
    Requires: PDF Reader
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