Lettuce plants comprising resistance against nasonovia ribisnigri biotype 1
AssigneeNunhems B.V.
InventorsRobert Theodorus Gerardus SCHAAREMAN, Vincent Pierre Andre THOMAS, Adrianus J. M. VAN DER AREND, Robert Johannes Martinus RAEDTS, Olga JULIAN RODRIGUEZ
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Abstract
The present invention relates to the field of lettuce breeding, in particular to Quantitative Trait Loci for resistance against the lettuce aphid Nasonovia ribisnigri biotype Nr:1 and to cultivated lettuce comprising one or more of these Quantitative Trait Loci.
Claims16
A Lactuca sativa plant comprising an introgression fragment from Lactuca virosa on chromosome 6 and/or on chromosome 7 which comprises a Quantitative Trait Locus that confers resistance against Nasonovia ribisnigri biotype 1 (Nr:1), and wherein said introgression fragment on chromosome 6 comprises all or part of the region starting at 77 Mb and ending at 161 Mb of chromosome 6 and wherein said introgression fragment on chromosome 7 comprises all or part of the region starting at 203 Mb and ending at 219 Mb of chromosome 7.
Dependencies are inferred from the claim text.