Abstract
Environmental concerns, consumer demand, and legislation have made disease resistance a priority in garden rose breeding. To obtain sustainable roses combining beauty and disease resistance, breeders stopped the application of pesticides in the selection of new rose genotypes. The main rose pathogens are black spot (Diplocarpon rosae) and powdery mildew (Podosphaera pannosa). Black spot is the main problem for garden roses; for greenhouse-grown cut roses, powdery mildew is the most frequently occurring disease. In cut rose breeding still little effort has been made regarding their improved resistance. In last decades more information and tools became available for rose pathogens, pathogen resistance and resistance breeding as is reviewed here for the selection of both garden and cut roses.
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