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Genetic structure and diversity of populations of polyploid Tibouchina pulchra Cogn. (Melastomataceae) under different environmental conditions in extremes of an elevational gradient. Repositório Alice
BRITO, V. L. G. de; MORI, G. M.; VIGNA, B. B. Z.; SILVA, M. A.; SOUZA, A. P. de; SAZIMA, M..
The genetic structure and diversity of plants may change significantly in an elevational gradient because different elevations regulate different ecological conditions. Several factors may influence genetic variation, such as mutations, selection, genetic drift, and gene flow. The aim of the present study was to evaluate the genetic structure and diversity of populations of Tibouchina pulchra Cogn. (Melastomataceae) trees in two extremes of an elevational gradient experiencing different environmental conditions. Nine polymorphic microsatellite loci were used to measure the genetic diversity of 14 adult populations, whose structure was evaluated using frequentist and Bayesian analyses. We also carried out progeny structure and paternity analyses comparing...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Polyploidy; Pollen flow; Atlantic rainforest; Genética vegetal; Genetic variation.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1059947
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