Feststellung des Befalls
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Stock- und Stengelälchenbefall an Roggen
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Stock- und Stengelälchenbefall an Roggen
- Im Frühjahr, an überwinternden Saaten nesterweise Wachstumsdepressionen mit leichte Gelbverfärbung, bis zum Absterben einzelner Jungpflanzen.
- Gestauchter Wuchs, Verdickung am Triebgrund, vermehrte Bestockung (Vergrasung)
- Verkrümmte Wachstum der Blattspreiten, lässt an Wuchstoffschäden denken.
- Teilweise geringere Bestockung, Schoßneigung und Ährenbildung.
- Wurzelwerk ist nicht direkt geschädigt, da diese Nematoden oberirdisch schädigen.
- Schadauftreten in Deutschland selten und Standort bezogen.