New information about the reaction of 00-cultivars and the effect of fungicides on stem canker of winter rape

New information about the reaction of 00-cultivars and the effect of fungicides on stem canker of winter rape

1. Stem canker (Pathogen = anamorph: Phoma lingam, telemorph: Leptosphaeria maculans) is one of the most important diseases in the German rape production. 2. Field experiments and investigations carried out in 1986/1987, 1987/88 and 1988/89 showed, that most of the fungicide sprays were not economic...

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Bibliographische Detailangaben
Veröffentlicht in:Nachrichtenblatt des deutschen Pflanzenschutzdienstes (Braunsweig) 1991, Vol.43 (5)
Hauptverfasser: Paul, V.H. (Gesamthochschule Paderborn (Germany). Lab. fuer Phytomedizin), Gerdiken, K.-J, Guenzelmann, A
Format: Artikel
Sprache:ger
Schlagworte:
ALEMANIA
ALLEMAGNE
BRASSICA NAPUS
Chemische Bekaempfung
Dosis
Ertrag
FONGICIDE
Fungi
FUNGICIDAS
Fungizid
LEPTOSPHAERIA MACULANS
Oelpflanze
PHOMA
Phoma lingam
Sorte
Spezifitaet
VARIEDADES
VARIETE
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Beschreibung
Zusammenfassung:1. Stem canker (Pathogen = anamorph: Phoma lingam, telemorph: Leptosphaeria maculans) is one of the most important diseases in the German rape production. 2. Field experiments and investigations carried out in 1986/1987, 1987/88 and 1988/89 showed, that most of the fungicide sprays were not economic when stem canker occurred at a moderate degree of attack. 3. New double-low cultivars with a low sensitivity fungicide treatment against P. lingam was carried out. 4. Leaf attack in autumn by P. lingam and/or L. maculans did not correlate with the severity of stem canker at harvest
ISSN:0027-7479