Epidemiology of dark leaf spot caused by Alternaria brassicicola in organic seed production of cauliflower.

J. Köhl, C.A.M. van Tongeren, B.H. de Haas, R.G. Driessen

    Research output: Contribution to conferencePosterProfessional

    Abstract

    Dark leaf spot caused by Alternaria brassicicola is a seed-borne disease of Brassicae. Production of healthy seed is essential for the organic vegetable production. Literature on the epidemiology of the disease in organic seed production of Brassica was reviewed and an epidemiological field experiments was carried out. External and internal contamination of seeds with A. brassicicola increased steadily during their development. Colonisation of pod tissues as quantified by TaqMan-PCR increased exponentially. The developed knowledge can be used for optimizing cropping systems for organic seed production with lower risks for seed contamination by Alternaria spp. and to develop critical control points for disease management
    Original languageEnglish
    Publication statusPublished - 2006
    EventThe European Joint Organic Congress 2006 - Odense, Denmark
    Duration: 30 May 200631 May 2006

    Conference

    ConferenceThe European Joint Organic Congress 2006
    Country/TerritoryDenmark
    CityOdense
    Period30/05/0631/05/06

    Keywords

    • organic farming
    • seed production
    • cauliflowers
    • alternaria brassicicola
    • plant protection

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