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Species boundary and extensive hybridization and introgression in Petunia Acta Botanica
Turchetto,Caroline; Schnitzler,Carolina K.; Freitas,Loreta B..
ABSTRACT Studying the role of hybridization in the speciation of plants is one of the most thrilling areas of evolutionary biology. Hybridization in natural populations can act in opposition to divergence, contribute to adaptation through introgression or foster the emergence of new lineages via hybrid speciation. Species of the plant genus Petunia grow in open areas in southern South America. Some natural interspecific hybrid events have been described for the genus, such as between the endemic P. exserta and the widespread P. axillaris. Both species occur in sympatry in Serra do Sudeste (Brazil), where they occur in diverse habitats and exhibit floral divergence, which has been related to the attraction of different primary pollinators. The present study...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gene exchange; Hybridization; Inbreeding; Introgression; Microsatellite; Petunia; Species limits.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000400724
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