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Genetic variations among passion fruit species using rapd markers

DOI: 10.1590/S0100-29452002000300044

Keywords: dna, genetic diversity, passion fruit, random amplified polymorphic dna.

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Abstract:

it has been evaluated the genetic variability through the use of rapd molecular markers on the following passionflower species: passiflora amethystina, p. caerulea, p. cincinnata, p. coccinea, p. serrato digitata, p. foetida, p. maliformis, p. alata, p. giberti, p. laurifolia, p. macrocarpa, p. nitida, p. setacea, p. suberosa, p. ligularis, p. capsularis, p. edulis sims and its botanical variety p. edulis sims f. flavicarpa deg. in this research work, the analyses of the random amplified polymorphic dna products (rapd) were employed to estimate the genetic diversity and the taxonomic linkage within the species above. the total of 21 primers were used in this study which generated 270 different polymorphic products. it was possible to detect that the passiflora species had shown a similarity of 17,3%, and between passiflora edulis sims and passiflora edulis sims f. flavicarpa a similarity of 34,35% has been found. the rate of similarity within edulis specie is low, making it clear that a large variability between the yellow and the purple forms exists.

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