ALTERNARIA CITRICOS PDF

Alternaria is spread by airborne spores. Rain events or sudden changes in relative humidity also favor spore release. Spores are produced on older lesions formed on wilted twigs and mature leaves. Some spores come from fruit lesions but they are not a major inoculum source. Even the leaf contributes to the inoculum.

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We'd like to understand how you use our websites in order to improve them. Register your interest. Young leaves of 62 citrus cultivars were inoculated with conidia of three Spanish isolates of Alternaria alternata pv. Hybrids with Dancy mandarin, King mandarin or their derivates as a parent, grapefruit cultivars and the mandarin cultivars Guillermina, Emperor, Clemenpons and Esbal were highly susceptible to the pathogen.

Satsuma cultivar Clausellina and orange cultivars, with the exception of Sanguinelli, were slightly susceptible. Lemon and lime cultivars were not susceptible, with the exception of Mexican lime Citrus aurantifolia , which was slightly susceptible. Although this study shows a range of potential hosts for this pathogen, to date the only affected cultivars in Spain are Fortune and Nova mandarins, and Minneola tangelo.

The susceptibility of Fortune fruits decreased as diameter increased, being susceptible through the whole season. This was confirmed with field observations in autumn where fruit infections have been detected when the diameter reaches 6—7 cm. This is a preview of subscription content, log in to check access.

Google Scholar. Journal of Plant Pathology Plant Disease Plant Disease — Servicio de Estudios Agrarios y Comunitarios. Comunidad Valenciana Agraria 8— Physiological and Molecular Plant Pathology — Australasian Plant Pathology 69— Phytopathology — Kohmoto K, Akimitsu K and Otani H Correlation of resistance and susceptibility of citrus to Alternaria alternata with sensitivity to host-specific toxins.

Citrus Journal 6: Solel Z Alternaria brown spot on Minneola tangelos in Israel. Plant Pathology — Solel Z and Kimchi M Susceptibility and resistance of citrus genotypes to Alternaria alternata pv.

Journal of Phytopathology — Citrus Industry Plant Disease Reporter — Download references. Reprints and Permissions. Vicent, A. European Journal of Plant Pathology , — Download citation. Issue Date : March Search SpringerLink Search.

Abstract Young leaves of 62 citrus cultivars were inoculated with conidia of three Spanish isolates of Alternaria alternata pv. Vicent View author publications. You can also search for this author in PubMed Google Scholar. View author publications.

Rights and permissions Reprints and Permissions. About this article Cite this article Vicent, A.

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