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Provedor de dados:  Electron. J. Biotechnol.
País:  Chile
Título:  Identification of microsatellites linked to Lr47
Autores:  Vanzetti,Leonardo Sebastián
Brevis,Juan Carlos
Dubcovsky,Jorge
Helguera,Marcelo
Data:  2006-06-01
Ano:  2006
Palavras-chave:  Gwm 60
Leaf rust
Marker assisted selection
Puccinia triticina Ericks.
Triticum aestivum
Resumo:  Leaf rust resistance gene Lr47 is located within a interstitial segment of Triticum speltoides Taush. 7S chromosome translocated to the short arm of chromosome 7A of bread wheat. This gene is resistant against currently predominant races of leaf rust from Argentina. The objectives of this study were to identify microsatellites linked to this source of resistance as a potential tool to introgress this source of resistance. Isogenic lines with and without Lr47 developed from 10 cultivars/breeding lines as well as 10 microsatellites previously mapped in 7AS chromosome were used in this study. Microsatellite gwm 60 was the only marker that co-segregated completely linked to Lr47. These data indicate that gwm 60 could be a valuable marker to introgress Lr47 in wheat germplasm.
Tipo:  Journal article
Idioma:  Inglês
Identificador:  http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300018
Editor:  Pontificia Universidad Católica de Valparaíso
Formato:  text/html
Fonte:  Electronic Journal of Biotechnology v.9 n.3 2006
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