Abstract
Primula secundiflora is an insect-pollinated, perennial herb belonging to the section Proliferae (Primulaceae) that exhibits considerable variation in its mating system, with predominantly outcrossing populations comprising long-styled and short-styled floral morphs and selfing populations comprising only homostyles. To facilitate future investigations of the population genetics and mating patterns of this species, we developed 25 microsatellite markers from P. secundiflora using next-generation sequencing and measured polymorphism and genetic diversity in a sample of 30 individuals from three natural populations. The markers displayed high polymorphism, with the number of observed alleles per locus ranging from three to 16 (mean = 8.36). The observed and expected heterozygosities ranged from 0.100 to 1.000 and 0.145 to 0.843, respectively. Twenty-one of the loci were also successfully amplified in P. denticulata. These microsatellite markers should provide powerful tools for investigating patterns of population genetic diversity and the evolutionary relationships between distyly and homostyly in P. secundiflora.
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