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. 2020 Aug 1;19(1):109–123. doi: 10.1111/pbi.13446

Figure 1.

Figure 1

Overview of the SNP map of 436 upland cotton accessions. (a) The geographic distribution of the 436 accessions drawn using R (www.r‐project.org). Each accession is represented by a dot. Wild: 32 accessions originating from the islands in the Caribbean and Mesoamerica; Amerasian: 40 accessions primarily from central and southern Asia, America; NSER: Northern Specific Early Maturity region in China; NIR: Northwest Inland region in China; YRR: Yellow River region in China; YZRR: Yangtze River region in China. (b) Phylogenetic tree of 436 accessions inferred from 10 180 SNPs at fourfold‐degenerate sites, including three groups of wild (blue), MLM (green) and ESM (red). (c) PCA plots of 436 accessions.