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Population structure and linkage disequilibrium of ICRISAT foxtail millet (Setaria italica (L.) P. Beauv.) core collection

OAR@ICRISAT

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Relation http://oar.icrisat.org/7299/
http://dx.doi.org/10.1007/s10681-013-1044-6
10.1007/s10681-013-1044-6
 
Title Population structure and linkage disequilibrium of ICRISAT foxtail millet (Setaria italica (L.) P. Beauv.) core collection
 
Creator Vetriventhan, M
Upadhyaya, H D
Anandakumar, C R
Senthilvel, S
Varshney, R K
Parzies, H K
 
Subject Foxtail Millet
 
Description Use of diverse germplasm is a key factor which allows high level of resolution due to extensive recombination in the history. Therefore, population used in association mapping should posses as many phenotypes as possible. One of the methods to obtain most of the phenotypes is to construct the core collection. The ICRISAT foxtail millet core collection consisting of 155 accessions was genotyped using 72 simple sequence repeat (SSR) markers to investigate the genetic diversity, population structure and linkage disequilibrium (LD). A high degree of molecular diversity among the accessions was found, with an average of 16.69 alleles per locus. STRUCTURE analyses classify the accessions into four subpopulations (SP) based on SSR allelic diversity. The Neighbor joining clustering and the principal coordinate analysis were in accordance with the racial classification. The distribution of molecular genetic variation among and within the four SP and three races showed high degree of variability within each group, and low level of genetic distance (GD) among the groups. LD decay of
 
Publisher Springer
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
application/pdf
 
Language en
en
 
Rights —
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Identifier http://oar.icrisat.org/7299/7/Vetriventhanetal_Population_Post-print_2013.pdf
http://oar.icrisat.org/7299/1/Euphytica_PopulationStructure_2013.pdf
Vetriventhan, M and Upadhyaya, H D and Anandakumar, C R and Senthilvel, S and Varshney, R K and Parzies, H K (2014) Population structure and linkage disequilibrium of ICRISAT foxtail millet (Setaria italica (L.) P. Beauv.) core collection. Euphytica, 196 (3). pp. 423-435. ISSN 1573-5060