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Título

Fungal alkaloids in populations of endophyte-infected Festuca rubra subsp. pruinosa

Autor Vázquez de Aldana, Beatriz R. ; Zabalgogeazcoa, Iñigo; García Ciudad, Antonia ; García Criado, Balbino
Palabras clave ergovaline
peramine
grasses
fine fescue
Epichloë
fungal endophytes
Fecha de publicación ago-2007
EditorBlackwell Publishing
Citación Grass and Forage Science, 62: 364-371 (2007)
ResumenFestuca rubra subsp. pruinosa is a grass that grows on coastal cliffs along the Atlantic coast of Europe. Asymptomatic plants of this species are systemically infected by the fungal endophyte Epichloë festucae. It is not known whether the alkaloids ergovaline and peramine are produced by the endophyte in Festuca rubra subsp. pruinosa. Plants from four populations were collected from the northern coast of Galicia (Spain) and examined for the presence of fungal endophytes. Ergovaline and peramine concentrations were analysed over two consecutive years, at two plant growth stages, and in different types of plant tissues. Infected plants of F. rubra subsp. pruinosa contained ergovaline but do not peramine. Ergovaline was detected in 0.80 of the plants, with concentrations ranging from 0.05 to 1.9 µg g-1 dry matter (DM). The differences in ergovaline contents between different types of plant tissue (vegetative and reproductive), plant populations and sampling dates were not statistically significant.
Versión del editorDOI: 10.1111/j.1365-2494.2007.00591.x
URI 10261/7725
DOI10.1111/j.1365-2494.2007.00591.x
ISSN0142-5242
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