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Pollen and seed dispersal of Brazil nut trees in the southwestern Brazilian Amazon Acta Amazonica
MARTINS,Karina; SANTOS,Raifanny da Silva Oliveira dos; CAMPOS,Tatiana de; WADT,Lúcia Helena de Oliveira.
ABSTRACT Pollen and seed dispersal patterns greatly influence the spatial distribution of plant genetic diversity. Microsatellite-based parentage analysis provides accurate estimates of contemporary gene dispersal. Although most tropical trees have been shown to exhibit widespread pollen dispersal, few studies have estimated contemporary gene dispersal after seedling establishment. Bertholletia excelsa (Lecythidaceae) is pollinated by large-bodied bees, while previous seed-tracking experiments suggest their seeds are mainly dispersed across very short distances by scatter-hoarding rodents, who primarily act as seed predators. Here we used parentage analysis to provide contemporary estimates of pollen and seed dispersal in B. excelsa recruits. We examined...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bertholletia excelsa; Gene flow; Genetic diversity; Pollen flow; Seed flow.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672018000300217
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