Genetic and physical analysis of a YAC contig spanning the fungal disease resistance

Abstract

The Alternaria stem canker disease of tomato is caused by the necrotrophic fungal pathogen Alternaria alternata f. sp. lycopersici (AAL). The fungus produces AAL toxins that kill the plant tissue. Resistance to the fungus segregates as a single locus, called Asc, and has been genetically mapped on chromosome 3 of tomato. We describe here the establishment… (More)

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