Feststellung des Befalls
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Falscher Mehltau an Winterraps (Blattunterseite)
- während Jugendentwicklung auf Blattunterseite weißlicher bis grauer Pilzbelag
- blattoberseits vergilbte bis fahlbraune Flecken, die Blätter vergilben und sterben vorzeitig ab.
- Herbstbefall weitet sich meist im Frühjahr nicht aus. Schotenbefall daher selten