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- W2525646556 abstract "Nuclear and chloroplast markers and phenotypic characters were integrated to analyse the population genetic structure of wild cardoon, Cynara cardunculus var. sylvestris, the ancestor of cultivated globe artichoke, Cynara cardunculus var. scolymus on the island of Sardinia, Italy. The spatial scale ranged from a few metres to ∼200km. Wild cardoon appears to be genetically fragmented, with significant genetic divergence at various scales, indicating that gene flow is insufficient to counterbalance the effects of genetic drift or founder effects. Divergence between populations was higher for chloroplast (40%) than for nuclear markers (15%), suggesting that gene flow via seed was lower than via pollen. Two main genetic groups were detected; these correlated with differences in flowering time, capitula size, glossiness, and anthocyanin pigmentation. A complex population structure of wild cardoon emerged over small spatial scales, likely resulting from the interplay between gene dispersal, colonisation history and selective forces. Indeed, Sardinia appears to be a 'hybrid zone' of different gene pools. The island has unique diverse germplasm that has originated from hybridisation among different gene pools. The sampling of seeds from a few plants but from many sites is suggested as the best strategy to harvest the genetic diversity of wild cardoon." @default.
- W2525646556 created "2016-10-07" @default.
- W2525646556 creator A5023219082 @default.
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- W2525646556 date "2016-12-01" @default.
- W2525646556 modified "2023-09-24" @default.
- W2525646556 title "Spatial genetic structure in wild cardoon, the ancestor of cultivated globe artichoke: Limited gene flow, fragmentation and population history" @default.
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- W2525646556 doi "https://doi.org/10.1016/j.plantsci.2016.09.013" @default.
- W2525646556 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/27968988" @default.
- W2525646556 hasPublicationYear "2016" @default.
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