“…In addition, molecular analysis provides additional information that is independent of environmental effects and in P. vulgaris, it has proved to be a valuable tool for association mapping and the study of genetic diversity, population structure and phylogenetic relationships (Beebe et al, 1995;Bitocchi et al, 2012;Blair et al, 2009;Metais et al, 2000;Shi et al, 2011). Moreover, DNA analyses of plant genetic resources are valuable to identify duplicate accessions in core collections and possible cases of homonymy and synonymy in cultivated landraces (Corrado et al, 2014;Rao et al, 2009).…”