Fig. 2From: Identification of favorable SNP alleles and candidate genes for traits related to early maturity via GWAS in upland cottonPopulation structure and linkage disequilibrium (LD) decay of upland cotton accessions. a Population structure of upland cotton accessions; each line is represented by a single vertical line, and each color represents one cluster; b estimated ln(cross-validation errors in the data) calculated for K, ranging from 2 to 10; c the mean LD decay rate was estimated as the squared correlation coefficient (r2) using all pairs of SNPs located within 600Â kb of physical distance in genomic regions in a population of 355 upland cotton germplasm accessionsBack to article page