Figure 2From: Wheat in the Mediterranean revisited – tetraploid wheat landraces assessed with elite bread wheat Single Nucleotide Polymorphism markersResults of Principal Component Analysis (PCA) of tetraploid wheat accessions based on 369 SNP markers. Each dot represents the location of a wheat accession along the first two principal components. Black = wild emmer; purple = landrace emmer; red = durum; orange = rivet.Back to article page