Fig. 3
From: Identification of cold tolerance QTLs at the bud burst stage in 211 rice landraces by GWAS
Population structure of 211 landraces A. Subgroups (K = 2) inferred using structure software; yellow and red represent subgroups I and II, respectively; B. NJ tree based on Nei’s genetic distances; C. PCA of 211 rice varieties; D. Pairwise relative kinship analysis of the rice panel