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Título: | Induction of systemic acquired resistance against rust, ascochyta blight and broomrape in faba bean by exogenous application of salicylic acid and benzothiadiazole |
Autor: | Sillero, Josefina C.; Rojas-Molina, María M. CSIC; Ávila, Carmen M.; Rubiales, Diego CSIC ORCID | Palabras clave: | Ascochyta fabae Uromyces viciae-fabae Orobanche crenata Benzothiadiazole Salicylic acid Systemic acquired resistance Vicia faba |
Fecha de publicación: | abr-2012 | Editor: | Elsevier | Citación: | Crop Protection 34: 65-69 (2012) | Resumen: | Exogenous applications of salicylic acid (SA) and benzothiadiazole (BTH) solutions have been used in faba bean to induce systemic acquired resistance (SAR) to rust (Uromyces viciae-fabae), ascochyta blight (Ascochyta fabae) and broomrape (Orobanche crenata). Both SA and BTH solutions were effective inducing SAR to U. viciae-fabae and A. fabae on susceptible accessions under controlled conditions, although SA was less effective than BTH for A. fabae. BTH treatments reduced the infection of all pathogens studied under field conditions in susceptible accessions, and rust infection was also reduced by SA applications. Moderately resistant accessions became immune to ascochyta blight with BTH treatment, and showed a lower degree of infection to rust after SA or BTH treatments. No effect was observed in the highly resistant accessions. Chemical induction of systemic resistance may provide an additional method for controlling faba bean diseases to be considered in an integrated diseases management. © 2011 Elsevier Ltd. | URI: | http://hdl.handle.net/10261/88804 | DOI: | 10.1016/j.cropro.2011.12.001 | Identificadores: | doi: 10.1016/j.cropro.2011.12.001 issn: 0261-2194 |
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