Full TGIF Record # 324857
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/141870
    Last checked: 01/24/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Singh, Lovepreet; Wu, Yanqi; McCurdy, James D.; Stewart, Barry R.; Baldwin, Brian S.; Warburton, Marilyn L.; Dong, Hongxu
Author Affiliation:Singh: Presenting Author and Mississippi State University; Wu: Oklahoma State University; McCurdy, Stewart, Baldwin, and Dong: Mississippi State University; Warburton: USDA ARS Western Regional Plant Introduction Station
Title:Genotyping-by-sequencing revealed extensive genomic diversity in bermudagrass (Cynodon spp.)
Section:Molecular Techniques, Genetics, Microbiome, and Turfgrass Breeding Oral (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 141870.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Limited genetic and phenotypic diversity is a hindrance for bermudagrass breeding and cultivar development. A germplasm panel of 206 accessions, including 193 common bermudagrass (C. dactylon var. dactylon) and 13 African bermudagrass (C. transvaalensis) accessions of worldwide origin was assembled. DNA sequencing libraries were prepared following the genotyping-by-sequencing (GBS) protocol to get genetic markers. A total of 37,496 raw single nucleotide polymorphisms (SNPs) were called de novo using the TASSEL 3 UNEAK pipeline with a minor allele frequency of 0.05 and a minimum call rate of 0.5. In this germplasm panel, population structure analysis with ADMIXTURE revealed four subpopulations, which were shown to be congruent with the results of principal component analysis (PCA) and phylogenetic analysis. The first three principal components explained 15.6 %, 10.1 %, and 3.8 % of the variance in the germplasm panel, respectively. Substantial genetic variation in genus Cynodon is revealed by genetic diversity parameters including nucleotide diversity or average pairwise divergence (π), estimated mutation rate or expected nucleotide diversity (θ), Tajimas D statistic, and Fst statistic demonstrating the potential of this germplasm panel for further genetic studies and cultivar development in breeding programs."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Singh, L., Y. Wu, J. D. McCurdy, B. R. Stewart, B. S. Baldwin, M. L. Warburton, et al. 2022. Genotyping-by-sequencing revealed extensive genomic diversity in bermudagrass (Cynodon spp.). Agron. Abr. p. 141870.
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    Last checked: 01/24/2023
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