Resumen
- The advances on molecular breeding and markers assisted selection have been limited due to the highly heterozygosity and ploidy issues in Andigenum potato group (adg). Recently, high-density SNP-based maps have been developed for diploid and tetraploid potato. Additionally, statistical models that include the allelic dosage, are improving the linkage mapping and QTL analysis in autotetraploid potato (Hackett et al., 2014). These approaches have facilitated the analysis of QTL of agronomic traits as resistance to P. infestans (Massa et al., 2015). Colombian potato production is a ected by late blight (P. infestans) and Guatemalan potato tuber moth (T. solanivora) causing losses up to 100% in eld and storage. Therefore, in order to understand the genetic factors underlying the resistance to P. infestans and T. solanivora, the main goal of this research is to construct a high saturated SNP-based genetic map of a tetraploid population to be used for mapping resistance QTL