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Chilean journal of agricultural research

On-line version ISSN 0718-5839

Abstract

PAIVA, Claudia Lougon et al. Genetic variability assessment in the genus Passiflora by SSR markers. Chilean J. Agric. Res. [online]. 2014, vol.74, n.3, pp.355-360. ISSN 0718-5839.  http://dx.doi.org/10.4067/S0718-58392014000300015.

The genus Passiflora encompasses many species that are endemic to the Brazilian territory, including some with economic value. Studies on genetic diversity in this genus are fundamental because they allow understanding genetic variability and distance. The present study aimed to determine the genetic variability and distances among 10 species of the genus Passiflora by using microsatellite markers (Simple Sequence Repeat, SSR). Twenty-eight heterologous microsatellite markers were tested, but only 12 were used in the diversity analysis because they amplified in at least 80% of the species. A clear separation was observed among the subgenuses studied, as well as wide variation among the accessions of Passiflora. This knowledge enables breeders to explore diversity and transfer favorable alleles found in wild species.

Keywords : Breeding; genetic diversity; Passiflora.

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