Multiple disease resistance in lettuce
AssigneeHarris Moran Seed Company
InventorPhilip M. Sarreal
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Abstract
This invention provides for multiple pathogen resistant varieties of lettuce, Lactuca sativa. The varieties of this invention have a combined resistance to lettuce mosaic virus isolate Common, resistance to downy mildew pathotype I, resistance to corky root bacteria isolate CA1, Sclerotinia minor and resistance to big vein disease via infection through Olpidium brassicae. The varieties having a non-albino phenotype, a average mature head of 15 cm diameter and are male fertile. The varieties are developed through selective breeding.
Claims9
A variety of Lactuca sativa designated HMX 2557, having the varietal name `PREMIERE` and having an ATCC accession number 97855, or its progeny, said progeny having resistance to at least three of the diseases selected from the group consisting of lettuce mosaic virus isolate Common, downy mildew pathotype I, corky root bacteria isolate CA1, Sclerotinia minor, and big vein disease via infection through Olpidium brassicae.
A variety of Lactuca sativa designated HMX 2557, having the varietal name `PREMIERE` and having an ATCC accession number 97855, or its progeny, said progeny having resistance to lettuce mosaic virus isolate Common, resistance to downy mildew pathotype I, resistance to corky root bacteria isolate CA1, resistance to Sclerotinia minor, and resistance to big vein disease via infection through Olpidium brassicae.
Dependencies are inferred from the claim text.