Zuerst bilden sich grau-grüne, dann braune Flecken auf Stängel und Blättern, an ihrer Unterseite ein weißer Pilzrasen.
Schließlich verfault oder vertrocknet das Kraut sehr schnell, was zu hohen Ertragsverlusten führt.
Der Pilz befällt auch die Knollen, die braun und ungenießbar werden.
www.schaugarten-ueplingen.deAt first grey-green lesions, then brown ones appear on the stems and leaves ;
on the underside of the leaves there is a whitish growth. The plant very quickly rots or dries up, leading to high yield losses.
The fungus also infests the tubers that then become brown and inedible.
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