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Introduction de gènes de résistance à la rouille couronnée dans la sélection française d’avoine (Avena sativa L.)

Abstract : This program aimed at characterizing oat varieties (Avena sativaL.) originating from INRAE Clermont-Ferrand collection as well as from main oat-producing countries. These varieties and some of their progenies (F6) were evaluated for their crown rust tolerance. Simultaneously, these lines were molecularlyassessed for their allelic composition for known resistance genes. A consensus map of 178 SNP markers covering 26 linkage groups was established. An association study between rust-resistance phenotype and molecular markers willbe conducted which should result in the identification of linkage between some SNPs and resistance loci. The most relevant markers will further be used in marker-assisted selection programs. Moreover, several experimentations were conducted to develop a protocol for doubled-haploid (DH) line production. The most promising technique was the one involving anther culture.
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https://hal.inrae.fr/hal-03225440
Contributor : Nathalie Bernard <>
Submitted on : Wednesday, May 12, 2021 - 3:18:12 PM
Last modification on : Thursday, May 27, 2021 - 3:34:09 AM

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  • HAL Id : hal-03225440, version 1

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Paul Forgeois, Murielle Picot, Amélie Bertin, Jean-Michel Delhaye, Denis Louchart, et al.. Introduction de gènes de résistance à la rouille couronnée dans la sélection française d’avoine (Avena sativa L.). Innovations Agronomiques, INRAE, 2021, 84, pp.1-10. ⟨hal-03225440⟩

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