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Revista Brasileira de Plantas Medicinais

versão impressa ISSN 1516-0572

Resumo

FULLER, T.N.; TESSELE, C.; BARROS, I.B.I.  e  BARBOSA NETO, J.F.. Phenotypical, phytochemical and molecular characterization of "capim-carona" [Elionurus muticus (Spreng.) Kuntze] populations. Rev. bras. plantas med. [online]. 2010, vol.12, n.3, pp.261-268. ISSN 1516-0572.  http://dx.doi.org/10.1590/S1516-05722010000300003.

Elionurus muticus naturally occurs in southern Brazil and its economic potential is due to the presence of essential oils. There are few studies about this genus. Thus, the aim of the present study was to characterize native E. muticus populations. The study was performed with five "capim-carona" populations collected in the state of Rio Grande do Sul, totaling 50 plants grown in pots in the Agronomy School. All five E. muticus populations presented variability for phenotypic traits and phenolic compound concentration. The presence of citral was identified in all populations, except in that from the "Morro da Polícia" region. RAPD analysis showed high variability for these populations, allowing the separation of individuals into five groups according to their geographic origin. The highest variability occurred within each population. Based on the results, the populations from São Borja and Agronomy School can be recommended to be used in breeding programs.

Palavras-chave : genetic variability; RAPD; essential oils; phenolic compounds.

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