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Provedor de dados:  Acta Amazonica
País:  Brazil
Título:  Identification of duplicates of cassava accessions sampled on the North Region of Brazil using microsatellite markers
Autores:  Moura,Elisa Ferreira
Farias Neto,João Tomé de
Sampaio,José Edson
Silva,Diehgo Tuloza da
Ramalho,Girena Fernandes
Data:  2013-12-01
Ano:  2013
Palavras-chave:  Manihot esculenta
Molecular markers
Resumo:  Duplicates are common in germplasm banks and their identification is needed to facilitate germplasm bank management and to reduce maintenance costs. The aim of this work was to identify duplicates of cassava from a germplasm bank in Eastern Amazon, which had been previously characterized both morphological and agronomically. In order to be genotyped with 15 microsatellite loci, 36 accessions were selected. These accessions were classified into 13 groups of similar morpho-agronomical characteristics. All loci were polymorphic, and 75 alleles were identified, with an average of five alleles per loci and H E = 0.66. There were determined 34 pairs of genotypes with identical multiloci profiles and the probability of genetic identity was 1.1x10-12 with probability of exclusion of 99.9999%. Among these duplicates, there are accessions sampled on different years and places, but with different names and accessions with the same name sampled in different places and years. The study identified genotypes that are grown in different places and that have been maintained over the years by local farmers.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Instituto Nacional de Pesquisas da Amazônia
Relação:  10.1590/S0044-59672013000400008
Formato:  text/html
Fonte:  Acta Amazonica v.43 n.4 2013
Direitos:  info:eu-repo/semantics/openAccess

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