Purple blotch on Allium

J.M. van der Wolf, A.S. Duriat

    Research output: Contribution to conferencePosterProfessional


    Purple blotch on Allium species is caused by the seedborne fungus Alternaria porri. It follows often injury produced by downy mildew and botrytis leaf blight infections. It occurs throughout the world and is frequently found in Indonesia, both on seed as in the field. Damage varies widely with locality and season.
    Original languageEnglish
    Publication statusPublished - 2006


    • alternaria porri
    • allium
    • seedborne fungi
    • infections
    • indonesia
    • plant protection

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