Brundu, Giuseppe Antonio Domenico and Lupi, Renato and Zapelli, Ilaria and Fossati, Tiziana and Patrignani, Giuseppe and Camarda, Ignazio and Sala, Francesco and Castiglione, Stefano (2008) The Origin of clonal diversity and structure of Populus alba in Sardinia: evidence from nuclear and plastid microsatellite markers. Annals of Botany, Vol. 102 (6), p. 997-1006. eISSN 1095-8290. Article.
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Background and Aims. Populus alba is a thermophilic forest tree present in the Mediterranean basin. Its habitat is highly fragmented and its distribution range has been subject to long-term human interference, resulting in debate surrounding whether certain populations are native or exotic in origin. In particular, populations from the islands of Corsica and Sardinia are of uncertain origin. While populations of P. alba mainly reproduce sexually, clonal reproduction is also common. The aims of this study were to locate and molecularly characterize the poorly studied island populations of P. alba and compare these with samples from various spatial scales, in order to provide information on the genetic structure and phylogeography of this species. This information will provide evidence on whether the species is native to Sardinia, which is important for the development of conservation strategies.
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