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Artículo

Avirulent strain of Colletotrichum induces a systemic resistance in strawberry

Salazar, Sergio Miguel; Grellet Bournonville, Carlos FroilanIcon ; Chalfoun, Nadia ReginaIcon ; Castagnaro, Atilio PedroIcon ; Diaz Ricci, Juan CarlosIcon
Fecha de publicación: 06/12/2012
Editorial: Springer
Revista: European Journal of Plant Pathology
ISSN: 0929-1873
e-ISSN: 1573-8469
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ciencias de las Plantas, Botánica; Agricultura

Resumen

Strawberry plants exposed to an avirulent isolate of Colletotrichum fragariae acquired strong resistance against a virulent strain of C. acutatum. Biochemical, morphological and molecular markers indicated that the strong defence response was associated with an oxidative burst and a transient accumulation of salicylic acid (SA). A maximum accumulation of H2O2 and O2 − was observed 8 h after inoculation (hai), callose was detected 48 hai, and a peak of SA was observed 48 hai. Biochemical and phytopathogenic analyses carried out in non-treated tissues revealed that the defence response was systemic and remained fully active 60 days after the first inoculation. Experiments also showed that the resistance acquired by mother plants after the inoculation with the avirulent isolate could be passed to daughter plants through runners. Further characterization of the induced systemic resistance showed that the resistance was not only effective against a virulent strain of C. acutatum but also against Botrytis cinerea.
Palabras clave: Anthracnose , Colletotrichum , Defense , Systemic Acquired Resistance , Fragaria Ananassa , Oxidative Burst
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/1684
DOI: http://dx.doi.org/doi:10.1007/s10658-012-0134-y
URL: http://link.springer.com/article/10.1007%2Fs10658-012-0134-y
Colecciones
Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Articulos(INSIBIO)
Articulos de INST.SUP.DE INVEST.BIOLOGICAS
Citación
Salazar, Sergio Miguel; Grellet Bournonville, Carlos Froilan; Chalfoun, Nadia Regina; Castagnaro, Atilio Pedro; Diaz Ricci, Juan Carlos; Avirulent strain of Colletotrichum induces a systemic resistance in strawberry; Springer; European Journal of Plant Pathology; 135; 4; 6-12-2012; 877-888
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