Fig. 1From: Unravelling the complex trait of harvest index in rapeseed (Brassica napus L.) with association mappingAnalysis of population structure of 155 rapeseed accessions using STRUCTURE and Unrooted UPMGA. (A) Estimated LnP(K) of possible clusters (k) from 1 to 10. (B) ΔK based on rate of change of LnP (K) between successive K values. (C) Population structure based on k = 2. Red represents Subgroup Q1; green, Subgroup Q2. (D) Dark blue, Subgroup Q1; fuchsia, Subgroup Q2. (E) Principal components analysis (PCA)Back to article page