Sources of resistance to bacterial blight of stock (Matthiola incana R. Br.)

Accessions of M. tricuspidata (L.) R. Br., M. aspera Boiss. and Matthiola longipetala (Vent.) DC. were tested for their reaction to bacterial blight of stock (M. incana R. Br.), caused by Xanthomonas campestris pv. incanae. Potted plants were sprayed with bacterial cell suspension, adjusted to 10 su...

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Bibliographic Details
Published in:Genetic resources and crop evolution 1995-12, Vol.42 (4), p.371-372
Main Authors: Ecker, R, Zutra, D, Barzilay, A, Osherenko, E, Rav-David, D
Format: Article
Language:English
Subjects:
disease resistance
interspecific hybridization
Matthiola
matthiola aspera
Matthiola incana
matthiola longipetala
matthiola tricuspidata
varietal resistance
wild relatives
Xanthomonas campestris
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Summary:Accessions of M. tricuspidata (L.) R. Br., M. aspera Boiss. and Matthiola longipetala (Vent.) DC. were tested for their reaction to bacterial blight of stock (M. incana R. Br.), caused by Xanthomonas campestris pv. incanae. Potted plants were sprayed with bacterial cell suspension, adjusted to 10 super(8) cells/ml. The tested accessions of the three species were found highly resistant, while control plants of M. incana were severely infected. Interspecific F sub(1) hybrid plants between M. incana and M. tricuspidata also exhibited high resistance to the disease. The implications and the expected difficulties in breeding stock for bacterial blight resistance are discussed.
ISSN:0925-9864
1573-5109
DOI:10.1007/BF02432141