Schadbild
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Echter Mehltau verursacht die typischen weißen Blattflecken, Foto: LWK NRW
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Echter Mehltau verursacht die typischen weißen Blattflecken, Foto: LWK NRW
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Echter Mehltau am Blütenstiel, Foto: LWK NRW
- weißer, mehlartiger Belag, teilweise auch unter den Blättern, kann zu vorzeitigem Absterben der Blätter führen.
- Starke Temperatur- und damit Luftfeuchtigkeitsschwankungen fördern die Entwicklung und Ausbreitung des Erregers.