Marker-assisted Breeding for Disease Resistance in Potato |
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| Authors: | A Carrasco J E Chauvin B Trognitz A Pawlak O Rubio-Covarruvias E Zimnoch-Guzowska |
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| Institution: | 1.APPACALE S.A.,Burgos,Spain;2.UMR ABV,Institut National de Recherche Agronomique (INRA),Ploudaniel,France;3.Biotechnology Department,ARC Seibersdorf Research GmbH,Seibersdorf,Austria;4.Zamarte Breeding Company Ltd.,Kamien Kraj,Poland;5.Programa de Papa,Instituto Nacional de Investigaciones Forestales y Agrícolas (INIFAP),Metepec,México;6.Plant Breeding and Acclimatization Institute (IHAR),Research Centre M?ochów,M?ochów,Poland |
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| Abstract: | Sub-project 5 of BIOEXPLOIT aims to design durable disease resistance through marker-assisted breeding by converting existing
markers for high-throughput application, developing and validating high-throughput marker technologies and pyramiding major
R genes and/or quantitative trait loci into elite material. Activities include (1) the fine mapping of the quantitative trait
locus PiXspg which accounts for a large proportion of the variation in late blight resistance, (2) converting SNP-based markers and an
AFLP marker to easy-to-use-markers, (3) testing of progenies with combined sources of late blight resistance for presence
of R genes and agronomic features, (4) backcrossing new sources of resistance to S. tuberosum and molecular screening of breeding materials with marker GP94 linked with gene Rpi-phu1 conferring late blight resistance, (5) evaluating potato clones with enhanced resistance against Phytophthora infestans under field conditions of Toluca (México), and (6) developing populations and marker-assisted breeding for disease resistance. |
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| Keywords: | Durable resistance Genotyping High throughput marker technology Late blight Phenotyping R genes Solanum tuberosum |
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