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Response of Vicia species to Ascochyta fabae and Uromyces viciae-fabae

Author

Listed:
  • Josefina Carmen SILLERO

    (Andalusian Institute of Agricultural Research and Training (IFAPA), Córdoba, Spain)

  • Diego RUBIALES

    (Institute for Sustainable Agriculture, Spanish National Research Council (CSIC), Córdoba, Spain)

Abstract

A collection of 267 accessions belonging to 61 Vicia species other than V. faba was screened under growth chamber conditions for response to Ascochyta fabae and Uromyces viciae-fabae, causal agents of ascochyta blight and faba bean rust, respectively. High resistance to both diseases was very frequently detected in Vicia spp. in contrast to the high susceptibility previously reported in most V. faba accessions. Most of the Vicia spp. accessions studied here were very resistant or even immune to A. fabae with only one per cent of the accessions allowing development of small lesions bearing pycnidia. High resistance or immunity to U. viciae-fabae was also frequently found in the collection, with only ten per cent of the accessions showing compatible interaction although with reduced disease severity. These findings reinforce the specificity of A. fabae and U. viciae-fabae and clarify the potential role of cultivated and wild Vicia spp. in the epidemiology of these faba bean diseases.

Suggested Citation

  • Josefina Carmen SILLERO & Diego RUBIALES, 2014. "Response of Vicia species to Ascochyta fabae and Uromyces viciae-fabae," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 50(2), pages 109-115.
    • Handle: RePEc:caa:jnlcjg:v:50:y:2014:i:2:id:132-2013-cjgpb
    DOI: 10.17221/132/2013-CJGPB
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