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Abteilung Pflanzliche Erzeugung
Waldheimer Str. 219, 01683 Nossen
Internet:
http://www.smul.sachsen.de/lfulg
Bearbeiter:
Dr. Wolfgang Karalus
E-Mail:
Wolfgang.Karalus@smul.sachsen.de
Tel.:
035242 631-7303; Fax: 035242 631-7399
Redaktionsschluss:
31.08.2011
Öko-Sortenempfehlungen 2011
Winterroggen und Wintertriticale
Sortenversuche mit Winterroggen und Wintertriticale 2010/11
Unter den Bedingungen des ökologischen Landbaus wurden auf Lö-Standorten im Jahr 2011 Sorten-
versuche mit Winterroggen und Wintertriticale in Mittelsömmern (Thüringen) und Roda (Sachsen)
durchgeführt, in den Vorjahren außerdem in Bernburg (Sachsen-Anhalt).
In den Sortenversuchen liefen Roggen und Triticale bis Ende Oktober recht gleichmäßig auf, entwi-
ckelten sich bis zum Einbruch des Winters aber etwas zögerlich. Die zeitweise starken Fröste im De-
zember und Januar verursachten keine nennenswerten Auswinterungsschäden, da die Pflanzen meist
unter Schnee geschützt waren. Ende Februar bis Anfang März führten Kahlfröste und eine intensive
Sonneneinstrahlung zu Stress. Im warmen und trocknen April entwickelte sich das Wintergetreide
dann sehr rasch. So war die Bestockungsphase vergleichsweise kurz und das Ährenschieben im Mai
fand etwa zehn Tage früher statt als im Vorjahr.
Insbesondere in Roda wurde die Ertragsbildung durch die Trockenheit im Mai und Juni deutlich beein-
trächtigt. Die Bestände erreichten nur eine geringe Pflanzenlänge. Demzufolge wurde Lager bei Tritica-
le nicht und bei Roggen nur in geringem Umfang festgestellt. Daran änderten auch die hohen Nieder-
schläge im Juli nichts mehr. Krankheiten traten nur schwach in Erscheinung. Die Kornerträge fielen
deutlich geringer aus als in den Vorjahren. Der Roggensortenversuch aus Roda konnte wegen witte-
rungsbedingter Schäden nicht in die Auswertung einbezogen werden.
Winterroggen
Roggen wird aufgrund seiner Anspruchslosigkeit und guten Konkurrenzkraft gegenüber Unkräutern
geschätzt. Der Anbau konzentriert sich aber auf leichtere Standorte und Vorgebirgslagen, während auf
guten Löss-Böden Weizen bevorzugt wird. Wichtige Kriterien bei der Sortenwahl sind neben der Er-
tragsfähigkeit die Auswuchsfestigkeit und die Anfälligkeit für Mutterkorn. In der Beschreibenden Sor-
tenliste des Bundessortenamtes wird seit 2008 die Anfälligkeit der Roggensorten für Mutterkorn offiziell
eingestuft.
Hybridroggensorten sind bisher im ökologischen Landbau wenig verbreitet, obwohl sie auch im Öko-
Anbau den Populationssorten im Ertrag deutlich überlegen sind. Frühere Schwachpunkte bei der
Krankheitsanfälligkeit und den Qualitätseigenschaften wurden züchterisch bearbeitet, so dass in dieser
Beziehung kein grundsätzlicher Unterschied mehr zu den Populationssorten besteht.
Während in den Vorjahren bei den neueren Populationssorten meist nur relativ geringe Ertragsunter-
schiede zu verzeichnen waren, zeigte sich im Anbaujahr 2010/11 eine deutlichere Differenzierung zwi-
schen den Sorten beim Kornertrag.

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