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In situ and genetic characterization of Gossypium barbadense populations from the states of Pará and Amapá, Brazil PAB
Almeida,Vanessa Cavalcante de; Hoffmann,Lúcia Vieira; Yokomizo,Gilberto Ken It; Costa,Joaquim Nunes da; Giband,Marc; Barroso,Paulo Augusto Vianna.
The objective of this work was to characterize the populations of Gossypium barbadense in the states of Amapá and Pará, Brazil. In situ characterization was conducted through interviews with the owners of the plants and environmental observations. Leaf or petal tissue as well as seed samples were collected for genetic characterization by single sequence repeats markers and for storage in germplasm banks, respectively. The plants were maintained in dooryards and used mainly for medical purposes. The genetic analysis showed no heterozygous plants at the loci tested (f = 1), indicating that reproduction occurs mainly through selfing. The total genetic diversity was high (He = 0.39); and a high level of differentiation was observed between cotton plants from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cotton; Genetic diversity; Germplasm; SSR markers.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000700011
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