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    • Dpto. Producción Vegetal y Recursos Forestales
    • DEP57 - Artículos de revista
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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/71103

    Título
    Systemic biochemical changes in pepper (Capsicum annuum L.) against Rhizoctonia solani by kale (Brassica oleracea var. acephala L.) green manure application
    Autor
    Rodríguez, Víctor M.
    Velasco, Pablo
    Cartea, María Elena
    Poveda Arias, JorgeAutoridad UVA Orcid
    Año del Documento
    2023
    Editorial
    Springer Nature
    Documento Fuente
    BMC plant biology, 2023, vol. 23, n. 1, 515.
    Resumen
    Background In the search for new alternatives to avoid the problems associated with the use of synthetic chemical fungicides in agriculture, the use of green manure (GrM) could help combat fungal diseases of crops, such as those produced by the necrotrophic pathogen Rhizoctonia solani. In the case of the use of Brassica tissues as GrM, it could have an elicitor capacity for systemic plant resistance. Results We used kale leaves as a GrM and applied it to pepper plants infected with R. solani. The application of freeze-dried kale tissues to the roots of pepper plants produced a systemic activation of foliar defences via the salicylic acid (SA) and ethylene (ET) pathways, significantly reducing pathogen damage. In addition, this systemic response led to the accumulation of secondary defence metabolites, such as pipecolic acid, hydroxycoumarin and gluconic acid, in leaves. Remarkably, pepper plants treated with lyophilised kale GrM accumulated glucosinolates when infected with R. solani. We also confirmed that autoclaving removed part of the glucobrassicin (85%) and sinigrin (19%) content of the kale tissues. Conclusions GrM kale tissues can activate systemic defences in bell pepper against foliar pathogens through SA/ET hormonal pathways, accumulating secondary defence metabolites.
    Revisión por pares
    SI
    DOI
    10.1186/s12870-023-04525-z
    Version del Editor
    https://bmcplantbiol.biomedcentral.com/articles/10.1186/s12870-023-04525-z
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/71103
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • DEP57 - Artículos de revista [101]
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