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Título

Screening for resistance to black rot in Brassica oleracea crops

Autor Lema Márquez, Margarita; Velasco Pazos, Pablo; Soengas Fernández, María del Pilar; Francisco Candeira, Marta; Cartea González, María Elena
Palabras clave Bacterial disease
Xanthomonas campestris pv. campestris
Cabbage
Genetic resistance
Kale
Landrace
Tronchuda cabbage
Fecha de publicación oct-2012
EditorWiley-VCH
Citación Plant Breeding 131(5): 607–613 (2012)
ResumenXanthomonas campestris pv. campestris (Xcc), causal agent of black rot, is widely distributed around the world in cabbage and kale crops causing severe yield losses. Nine races of the pathogen were described, being races 1 and 4 the most aggressive and widespread. The objective of this work was to identify new sources of resistance to races 1 and 4 of Xcc in different Brassica oleracea crops. Two hundred and twenty-one landraces and 35 commercial and improved cultivars were evaluated. Most accessions were susceptible to both races, except cabbage cultivars ‘Balón’ and ‘Quintal de Alsacia’ and kale landrace MBG-BRS0070, which showed some plants with different level of resistance to races 1 and 4, thus indicating that race-non-specific resistance can be involved. Kale landrace MBG-BRS0286 showed an intermediate mean disease score for race 1. These accessions can be crossed with cabbage cultivars and may provide new combinations of resistance genes with protection against black rot.
Versión del editorhttp://dx.doi.org/10.1111/j.1439-0523.2012.01974.x
URI http://hdl.handle.net/10261/102745
DOI10.1111/j.1439-0523.2012.01974.x
ISSN0179-9541
E-ISSN1439-0523
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