Figure 1From: Single nucleotide polymorphisms for assessing genetic diversity in castor bean (Ricinus communis)Clustering of samples ( n = 488) from program S tructure where samples are displayed based on country of origin. Values of K (number of clusters) ranged from 2 to 5. The most supported model was K = 5; models with lower K values are shown to demonstrate progression of groupings.Back to article page