Full TGIF Record # 285110
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Web URL(s):http://archive.lib.msu.edu/tic/ressum/2016/49.pdf
    Last checked: 06/02/2017
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Author(s):Milla-Lewis, S. R.; Patton, Aaron; Schwartz, Brian
Author Affiliation:North Carolina State University
Title:Utilizing molecular technologies to develop zoysiagrass cultivars with improved cold tolerance
Section:Physiology, genetics, and breeding: Warm-season
Other records with the "Physiology, genetics, and breeding: Warm-season" Section
Source:Turfgrass and Environmental Research Program: 2016 Research Summaries. 2016, p. 49-52.
Publishing Information:[New York, New York]: The United States Golf Association Green Section
# of Pages:4
Keywords:TIC Keywords: Cold resistance; Cultivar evaluation; Cultivar improvement; Gene mapping; Molecular genetics; Molecular markers; Zoysia
See Also:Other Reports from this USGA research project: 2015-03-518
Note:Pictures, color
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 and survival using digital image analysis in 2014- 2016. Significant variation in winter injury was observed including ten lines that performed as well as or better than Meyer across all environments. A total of 2,418 DNA markers were used to construct a high-density genetic map of the zoysiagrass genome. The map all 20 chromosomes and is the first high density genetic map of the Zoysia japonica genome. Using the genetic map and field data, ninety-three genomic regions associated with winter injury were identified. Nine of these genomic regions had major effects and were observed in multiple environments. 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. 2016. Utilizing molecular technologies to develop zoysiagrass cultivars with improved cold tolerance. USGA Turfgrass Environ. Res. Summ. p. 49-52.
Fastlink to access this record outside TGIF: https://tic.lib.msu.edu/tgif/flink?recno=285110
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    Last checked: 06/02/2017
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