Articles
TRANSFER OF CLUBROOT RESISTANCE FROM RESYNTHESISED BRASSICA NAPUS INTO OILSEED RAPE – IDENTIFICATION OF RACE-SPECIFIC INTERACTIONS WITH PLASMODIOPHORA BRASSICAE
Article number
407_54
Pages
423 – 430
Language
Abstract
Clubroot resistance from B. campestris and B. oleracea was combined in resynthesised rape seed lines.
Progenies from interspecific crosses between ECD-04 and ECD-15 or ‘Böhmerwaldkohl’ showed a broad, and so far stable resistance against several Plasmodiophora brassicae isolates.
A breeding programme was started including the development of clubroot resistant DH-lines and of a backcross generation, which is segregating for the three dominant resistance genes that originally came from B. campestris. Cuttings of the BC-plants showed a clear differential interaction with different P. brassicae isolates, which enabled us to identify resistance genes and virulence factors.
Progenies from interspecific crosses between ECD-04 and ECD-15 or ‘Böhmerwaldkohl’ showed a broad, and so far stable resistance against several Plasmodiophora brassicae isolates.
A breeding programme was started including the development of clubroot resistant DH-lines and of a backcross generation, which is segregating for the three dominant resistance genes that originally came from B. campestris. Cuttings of the BC-plants showed a clear differential interaction with different P. brassicae isolates, which enabled us to identify resistance genes and virulence factors.
Authors
E. Diederichsen, B. Wagenblatt, V. Schallehn, U. Deppe, M. Sacristán
Keywords
Brassica napus, Plasmodiophora brassicae, differential interaction
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