The location and exploitation of genes for pest and disease resistance in European gene bank collections of horticultural brassicas

D. Leckie, D. Astley, I.R. Crute, P.R. Ellis, D.A.C. Pink, I. Boukema, A.A. Monteiro, J.S. Dias

    Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

    20 Citations (Scopus)

    Abstract

    The objective of this project is to conduct a systematic evaluation of the distribution of diversity in Brassica oleracea with respect to resistance to three important parasites: Peronospora parasitica (downy mildew), Albugo candida (white blister) and Brevicoryne brassicae (cabbage aphid). A core collection of approximately 400 accessions representing the geographical, morphological and physiological diversity of the species has been selected for study. Protocols have been established to allow the rapid evaluation of phenotypic variation for response to all parasites and primary screening of the core collection is well advanced. Resistant individuals are being selected from within accessions expressing a high frequency of resistance. These are being crossed with a uniformly susceptible, self-compatible, rapid-cycling line to facilitate genetic characterisation and potentially easy gene-banking. Several putative new sources of resistance have been identified. Data will be linked to the European Brassica Database and together with seed will be made freely available to breeders and other researchers.
    Original languageEnglish
    Title of host publicationProceedings International Symposium on Brassicas. Ninth Crucifer Genetics Workshop
    EditorsJ.S. Dias, I. Crute, A.A. Monteiro
    Pages95-101
    DOIs
    Publication statusPublished - 1996

    Publication series

    NameActa Horticulturae
    Number407
    ISSN (Print)0567-7572

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