Fig. 5From: Geographical distribution of genetic diversity in Secale landrace and wild accessionsPlot of the 1st and 2nd components of a PC analysis of the rye landrace accession panel based on the allele frequencies of 567 polymorphic SNP markers. Each point is an accession coloured according to the agro-climatic zone it originates from, as defined by Bouma [41]Back to article page