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Fig. 1 | BMC Plant Biology

Fig. 1

From: Population structure, genetic diversity and downy mildew resistance among Ocimum species germplasm

Fig. 1

Primary and nested population structure for 180-accession panel of Ocimum species. Primary and secondary (nested) model-based clustering analysis using Structure ver 2.2.3 software for panels of Ocimum spp. accessions using 20 EST-SSR markers. a Major clusters (K = 3) (top histogram) and sub-clusters (K = 7) (bottom histogram) derived from primary and nested clustering iterations. Ten accessions were admixed and nested population structure could not be inferred due to unknown parentage of admixed primary cluster membership (white bars). b Major clusters (K = 1) (top histogram) and sub-clusters (K = 2,5,7) (bottom three histograms). ΔK statistic values for K = 2-10 (right). Accessions are ordered according to the unweighted pair group method using arithmetic average (UPGMA) clustering

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