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Assessment of genetic variability within and among coffee progenies and cultivars using RAPD markers Genet. Mol. Biol.
Silveira,Sheila Recepute; Ruas,Paulo Maurício; Ruas,Claudete de Fátima; Sera,Tumoru; Carvalho,Valdemar de Paula; Coelho,Alexandre Siqueira Guedes.
The RAPD technique associated with restriction digestion of genomic DNA was used to assess the genetic variability within and among nine populations of Coffea arabica, including six progenies belonging to the Sarchimor germplasm, the progeny PR 77054-40-10 (Catuaí Vermelho IAC 81 x Icatu), and two commercial cultivars (IAPAR 59 and Catuaí Vermelho IAC-81). These populations were evaluated using analysis of molecular variance (AMOVA), genetic similarity among progenies, and percentage of polymorphic loci. A total of 99 RAPD markers were evaluated of which 67 (67.67%) were polymorphic. AMOVA showed that 38.5% and 61.5% of the genetic variation was distributed among and within populations, respectively. The fixation index (F ST) of the genotypes was 0.385....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coffee breeding; Genetic variability; Molecular variance; RAPD markers.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572003000300018
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