Lettuce that is resistant to the lettuce aphid Nasonovia ribisnigri biotype 1
AssigneeRijk Zwaan Zaadteelt En Zaadhandel B.V.
InventorsArnaud Paul Pierre Thabuis, Korstiaan Cornelis Teekens, Zeger Otto van Herwijnen
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Abstract
The present invention relates to lettuce plants and heads that are resistant to Nasonovia ribisnigri biotype 1 (also called herein Nr:1) as well as to progeny of the plants and propagation material for producing the plants. The invention further relates to a source of the resistance for use in breeding.
Claims2
A method of breeding to confer to a progeny Lactuca plant resistance against Nasonovia ribisnigri biotype 1 (Nr:1) comprising crossing a Lactuca serriola 10G.913571 plant, representative seeds of which were deposited under NCIMB accession number 41776, with a Lactuca plant that is susceptible to Nasonovia ribisnigri biotype 1 (Nr:1), whereby there is breeding to confer to a progeny Lactuca plant resistance against Nasonovia ribisnigri biotype 1 (Nr:1), and a progeny Lactuca plant having resistance against Nasonovia ribisnigri biotype 1 (Nr:1) is obtained.
Lactuca serriola 10G.913571 representative seeds of which were deposited under NCIMB accession number 41776.
Dependencies are inferred from the claim text.