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A rare case of a natural contact zone in Morocco between an autopolyploid and an allopolyploid of Centaurea aspera with sterile tetraploid hybrids

Garmendia, Alfonso; Ferriol Molina, María; Juarez, J.; Zajac, A.; Kaluzny, K.; Merle Farinós, Hugo Basilio (Wiley-Blackwell, 2015-05)

A new contact zone between Centaurea aspera and Centaurea seridis was found in Morocco. Chromosome counts and flow cytometry showed that both taxa were tetra- ploid (4 x = 44). A literature review and morphometric analysis ...
Intra- and Inter-Specific Crosses among Centaurea aspera L. (Asteraceae) Polyploid Relatives-Influences on Distribution and Polyploid Establishment

Garmendia, Alfonso; Ferriol Molina, María; Benavente, David; Ferrer-Gallego, P. Pablo; Merle Farinós, Hugo Basilio (MDPI, 2020-09)

[EN] How polyploids become established is a long-debated question, especially for autopolyploids that seem to have no evolutionary advantage over their progenitors. The Centaurea aspera polyploid complex includes diploid ...
Microsatellite evidence for low genetic diversity and reproductive isolation in tetraploid Centaurea seridis (Asteraceae) coexisting with diploid Centaurea aspera and triploid hybrids in contact zones

Ferriol Molina, María; Merle Farinós, Hugo Basilio; Garmendia, Alfonso (Linnean Society of London, 2014-09)

Survival of polyploids in nature depends on several factors, including competition from diploid relatives and increased genetic diversity. Unlike other reported Centaurea polyploid complexes, diploid Centaurea aspera ...

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Listar por palabra clave "Allopolyploid"

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Listar por palabra clave "Allopolyploid"