Marker Assisted Selection for Resistance to Root Rot in Red Raspberry Caused by Phytophthora fragariae var. rubi

Courtney A. Weber, Jeremy Pattison, Suren Samuelian

    Research output: Book chapter/Published conference paperConference paperpeer-review

    4 Citations (Scopus)

    Abstract

    Root rot caused by Phytophthora fragariae var. rubi is a major production constraint in all raspberry-growing regions of the world. A ('Latham' × 'Titan') × 'Titan' BC1 population was tested in a hydroponic assay by evaluating root and shoot symptoms. Genetic mapping using molecular markers and quantitative trait loci (QTL) analysis identified two major QTL associated with resistance on different linkage groups. Sequence specific PCR markers were developed for these regions and tested on commercially available cultivars for correlations. A success rate of 76% for predicting resistance in these cultivars was shown for each marker. Further testing for predictive value for root rot resistance on 412 individuals from 19 populations was carried out.
    Original languageEnglish
    Title of host publicationISHS IX International Symposium on Rubus and Ribes
    Place of PublicationBelgium
    PublisherISHS
    Pages311-316
    Number of pages6
    Volume777
    Publication statusPublished - 2008
    EventInternational Society for Horticultural Science (ISHS) Acta Horticulturae Symposium - Pucon, Chile
    Duration: 01 Jan 2008 → …

    Conference

    ConferenceInternational Society for Horticultural Science (ISHS) Acta Horticulturae Symposium
    Period01/01/08 → …

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