Fusarium proliferatum isolated from garlic in Spain: Identification, toxigenic potential and pathogenicity on related Allium species

Palmero Llamas, Daniel; Cara Garcia, Miguel de; Nosir, W.; Galvez Patón, Laura; Cruz, Alejandra; Woodward, S.; González Jaén, María Teresa y Tello Marquina, Julio (2012). Fusarium proliferatum isolated from garlic in Spain: Identification, toxigenic potential and pathogenicity on related Allium species. "Phytopathologia Mediterranea", v. 51 (n. 1); pp. 207-218. ISSN 0031-9465.

Descripción

Título: Fusarium proliferatum isolated from garlic in Spain: Identification, toxigenic potential and pathogenicity on related Allium species
Autor/es:
  • Palmero Llamas, Daniel
  • Cara Garcia, Miguel de
  • Nosir, W.
  • Galvez Patón, Laura
  • Cruz, Alejandra
  • Woodward, S.
  • González Jaén, María Teresa
  • Tello Marquina, Julio
Tipo de Documento: Artículo
Título de Revista/Publicación: Phytopathologia Mediterranea
Fecha: 2012
Volumen: 51
Materias:
Escuela: E.U.I.T. Agrícolas (UPM)
Departamento: Producción Vegetal: Botánica y Protección Vegetal [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Fusarium proliferatum has been reported on garlic in the Northwest USA, Spain and Serbia, causing water-soaked tan-colored lesions on cloves. In this work, Fusarium proliferatum was isolated from 300 symptomatic garlic bulbs. Morphological identification of Fusarium was confirmed using species-specific PCR assays and EF-1α sequencing. Confirmation of pathogenicity was conducted with eighteen isolates. Six randomly selected F. proliferatum isolates from garlic were tested for specific pathogenicity and screened for fusaric acid production. Additionally, pathogenicity of each F. proliferatum isolate was tested on healthy seedlings of onion (Allium cepa), leek (A. porrum), scallions (A. fistulosum), chives (A. schoenoprasum) and garlic (A. sativum). A disease severity index (DSI) was calculated as the mean severity on three plants of each species with four test replicates. Symptoms on onion and garlic plants were observed three weeks after inoculation. All isolates tested produced symptoms on all varieties inoculated. Inoculation of F. proliferatum isolates from diseased garlic onto other Allium species provided new information on host range and pathogenicity. The results demonstrated differences in susceptibility with respect to host species and cultivar. The F. proliferatum isolates tested all produced fusaric acid (FA); correlations between FA production and isolate pathogenicity are discussed. Additionally, all isolates showed the presence of the FUM1 gene suggesting the ability of Spanish isolates to produce fumonisins.

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ID de Registro: 16605
Identificador DC: http://oa.upm.es/16605/
Identificador OAI: oai:oa.upm.es:16605
Depositado por: Memoria Investigacion
Depositado el: 14 Oct 2013 09:14
Ultima Modificación: 21 Abr 2016 16:55
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