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The Putative Role of Botrydial and Related Metabolites in the Infection Mechanism of Botrytis cinerea

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Abstract

Phytotoxic assays, performed both in vitro and in vivo on leaves of Phaseolus vulgaris, with metabolites excreted by the fungus B. cinerea are evaluated. Exogenous application of the phytotoxin botrydial has been found to produce severe chlorosis and cell collapse and facilitated fungal penetration and colonization of plant tissue. The results also show a light-dependent action mechanism for the phytotoxin and seem to indicate that botrydial is a non-host-specific toxin involved in fungal infection of B. cinerea.

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Authors and Affiliations

  1. Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, República Saharaui s/n, Apdo. 40, 11510, Puerto Real, Cádiz, Spain

    A. J. Colmenares, J. Aleu, R. Durán-Patrón, I. G. Collado & R. Hernández-Galán

Authors
  1. A. J. Colmenares
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  2. J. Aleu
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  3. R. Durán-Patrón
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  4. I. G. Collado
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  5. R. Hernández-Galán
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Correspondence to I. G. Collado.

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Colmenares, A.J., Aleu, J., Durán-Patrón, R. et al. The Putative Role of Botrydial and Related Metabolites in the Infection Mechanism of Botrytis cinerea . J Chem Ecol 28, 997–1005 (2002). https://doi.org/10.1023/A:1015209817830

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  • DOI: https://doi.org/10.1023/A:1015209817830

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