Molecular markers as tools in cereals breeding

The development in recent years of genetic engineering and biotechnologies provides new approaches to improve the efficiency of breeding strategies. Molecular markers could be used to construct genetic maps consisting of ordering molecular markers across the genome. Such maps represent a framework,...

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Published inRevue suisse d'agriculture Vol. 40; no. 3
Main Authors Moullet, O, Fossati, D, Mascher, F, Schori, A., Station de recherche Agroscope Changins-Waedenswil ACW, Nyon (Switzerland), Guadagnuolo, R
Format Journal Article
LanguageFrench
Published 01.05.2008
Subjects
AMELIORATION DES PLANTES
BLE
DISEASE RESISTANCE
FITOMEJORAMIENTO
GENETIC MARKERS
http://www.fao.org/aos/agrovoc#c_2328
http://www.fao.org/aos/agrovoc#c_24030
http://www.fao.org/aos/agrovoc#c_5956
http://www.fao.org/aos/agrovoc#c_8373
MARCADORES GENETICOS
MARQUEUR GENETIQUE
PLANT BREEDING
RESISTANCE AUX MALADIES
RESISTENCIA A LA ENFERMEDAD
TRIGO
WHEATS
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Summary:The development in recent years of genetic engineering and biotechnologies provides new approaches to improve the efficiency of breeding strategies. Molecular markers could be used to construct genetic maps consisting of ordering molecular markers across the genome. Such maps represent a framework, which enable the identification and localisation of Quantitative Trait Loci (QTLs) for traits of agronomical interest with the final aim of achieving genetic improvement through marker-assisted selection (MAS). This new technology can select individual plants from the seedling stage without the expression of the phenotype. Molecular markers are essential tools in breeding for accumulation of several disease resistance genes in a single variety for more durable resistance. The MAS «pyramidalisation» of two leaf rust resistance genes, Lr9 and Lr24, is presented.
Bibliography:F30
2008000236
ISSN:0375-1325