Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones | Zendy

Patrik Mráz | Zendy; Stanislav Španiel | Zendy; Andreas Keller | Zendy; Gillianne Bowmann | Zendy; Alexandre Farkas | Zendy; Barbora Šingliarová | Zendy; Rudolf P. Rohr | Zendy; Olivier Broennimann | Zendy; Heinz MüllerSchärer | Zendy

Open Access

Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones

Author(s) -

Patrik Mráz,

Stanislav Španiel,

Andreas Keller,

Gillianne Bowmann,

Alexandre Farkas,

Barbora Šingliarová,

Rudolf P. Rohr,

Olivier Broennimann,

Heinz MüllerSchärer

Publication year - 2012

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcs120

Subject(s) - biology , assortative mating , ploidy , mating , population , asteraceae , ecology , genetics , demography , sociology , gene

In a mixed-ploidy population, strong frequency-dependent mating will lead to the elimination of the less common cytotype, unless prezygotic barriers enhance assortative mating. However, such barriers favouring cytotype coexistence have only rarely been explored. Here, an assessment is made of the mechanisms involved in formation of mixed-ploidy populations and coexistence of diploid plants and their closely related allotetraploid derivates from the Centaurea stoebe complex (Asteraceae).

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