Fig. 3From: Geographical distribution of genetic diversity in Secale landrace and wild accessionsGeographical distribution of cultivated rye landraces clusters according to the K = 5 model in STRUCTURE. Each landrace is depicted as a pie chart with the proportional membership of its alleles to each one of the five clusters. Shaded areas represent the borders of Bouma’s [41] agro-climatic zonesBack to article page