Fig. 1
From: Diversification and independent domestication of Asian and European pears
PCA and LD analysis of 113 cultivated and wild pear accessions based on whole-genome SNP analysis. a PCA plots of the first two eigenvectors of all 113 pear accessions. b LD decay determined by correlation of allele frequencies (r2) against distance (kb) among polymorphic SNP sites in different pear groups, including cultivated Asian (red), cultivated European (light blue), wild Asian (blue), and wild European (green)