Full TGIF Record # 62765
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Forbes, A. M.; Hamblin, A. M.
Author Affiliation:University of Illinois
Title:RAPD based assessment of genetic diversity in perennial ryegrass
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 121.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Random amplified polymorphic DNA markers; Genetic diversity; Lolium perenne; Genetic variability; Breeding improvement; Breeding; Regional variation; Population dynamics
Abstract/Contents:"Identifying natural variation within perennial ryegrass collections will allow breeders to make informed crosses between a narrow breeding base of adapted U.S. varieties and naturalized worldwide populations. The objectives of this research were to 1) characterize genetic variation within and among 21 USDA perennial ryegrass accessions, and 2) characterize relationships using RAPD markers and forage traits in 347 perennial ryegrass accessions. Twenty-one populations from seven European countries were analyzed using Analysis of Molecular Variance (AMOVA). Over 90% of total observed variation can be explained by variation within populations. Among populations within countries explained 8.6% and among countries explained 1.27% of the total variation. Analyses of 347 worldwide populations will provide a more accurate estimate of existing diversity and genetic relationships of perennial ryegrass."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Forbes, A. M., and A. M. Hamblin. 1999. RAPD based assessment of genetic diversity in perennial ryegrass. Annu. Meet. Abstr. 91:p. 121.
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