Prevalencia y patogenicidad de hongos asociados con enfermedades de la madera en viñedos Chilenos

Gonzalo A. Díaz, Jaime Auger, Ximena Besoain, Edmundo Bordeu, Bernardo A. Latorre

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

17 Citas (Scopus)

Resumen

Trunk diseases in grapevine (Vitis vinifera) have been identified as a major problem in the wine and table grape industries around the world, reducing the productivity, quality and longevity of vineyards. The present study examined 694 wood samples from the cordons and trunks of vines with trunk disease symptoms in 67 Chilean vineyards located between Copiapó (27°18' S) and Los Angeles (37°42' S). A total of 1,363 fungal isolates were obtained from diseased cordons and trunks with dark brown streaking, yellowish soft-spongy cankers and brown hard V-shaped cankers. Using molecular identification, a total of 12 fungal genera were identified in Chile at varying frequencies: Phaeomoniella chlamydospora (85%); Botryosphaeriaceae (56%) including Diplodia mutila, D. seriata, Neofusicoccum parvum and Spencermartinsia viticola; Inocutis sp. (47%); Diatrypaceae (Cryptovalsa ampelina and Eutypella leprosa) (4.8%); Seimatosporium botan (1.7%); Phomopsis viticola (0.4%); Cylindrocarpon sp. (0.4%); and Phaeoacremonium aleophilum (0.2%). All species were pathogenic, inducing dark brown streaking on various aged grapevine wood tissue. In conclusion, several fungal species are associated with grapevine trunk diseases in the Chilean vineyards being Pa. chlamydospora, D. seriata and Inocutis sp. the most frequent isolated species. These are pathogens that can be found alone or they can coexist in the same plant. This is the first report of Pho. viticola associated with trunk diseases in Chile.

Título traducido de la contribuciónPrevalence and pathogenicity of fungi associated with grapevine trunk diseases in Chilean vineyards
Idioma originalEspañol
Páginas (desde-hasta)327-339
Número de páginas13
PublicaciónCiencia e Investigacion Agraria
Volumen40
N.º2
DOI
EstadoPublicada - may 2013
Publicado de forma externa

Palabras clave

  • Botryosphaeria canker
  • Esca
  • Fungal trunk pathogens
  • Vitis vinifera
  • Wood decay

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