Fig. 2From: Genome-wide association study for in vitro digestibility and related traits in triticale forageScatterplot of the first two principal components (PC) showing the four groups. PC1 and PC2 explained 16.3% of the genetic variation in the population. Genotypes are colour-coded based on their country of breeding origin: BE, Belgium; CA, Canada; CH, Switzerland; DE, Germany; DK, Denmark; FR, France; NL, The Netherlands; PL, Poland; RO, Romania, and; US, United StatesBack to article page