Single nucleotide polymorphism of squalene synthase and squalene epoxidase genes and their correlation with content of saponins in Eleutherococcus senticosus Single nucleotide polymorphism of squalene synthase and squalene epoxidase genes and their correlation with content of saponins in Eleutherococcus senticosus Application of Genome-wide Association Studies in Rice Genetics and Breeding Development and Validation of CAPS Markers for Marker-Assisted Selection of Rice Blast Resistance Gene Pi25