Phytotoxins produced by Pestalotiopsis guepinii, the causal agent of hazelnut twig blight (Articolo in rivista)

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Label
  • Phytotoxins produced by Pestalotiopsis guepinii, the causal agent of hazelnut twig blight (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Türkkan, Muharrem; Andolfi, Anna; Zonno, Maria Chiara; Erper, Ismail; Perrone, Carmen; Cimmino, Alessio; Vurro, Maurizio; Evidente, Antonio (2011)
    Phytotoxins produced by Pestalotiopsis guepinii, the causal agent of hazelnut twig blight
    in Phytopathologia Mediterranea (Testo stamp.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Türkkan, Muharrem; Andolfi, Anna; Zonno, Maria Chiara; Erper, Ismail; Perrone, Carmen; Cimmino, Alessio; Vurro, Maurizio; Evidente, Antonio (literal)
Pagina inizio
  • 154 (literal)
Pagina fine
  • 158 (literal)
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  • http://www.scopus.com/record/display.url?eid=2-s2.0-79960079185&origin=inward (literal)
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  • 50 (literal)
Rivista
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  • 1 (literal)
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  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Ordu Universitesi; Universita degli Studi di Napoli Federico II; Istituto di Scienze delle Produzioni Alimentari; Ondokuz Mayis Universitesi; Consiglio Nazionale delle Ricerche (literal)
Titolo
  • Phytotoxins produced by Pestalotiopsis guepinii, the causal agent of hazelnut twig blight (literal)
Abstract
  • The main lipophilic phytotoxic metabolite was isolated from the culture filtrates of Pestalotiopsis guepinii, the fungus causing twig blight of hazelnut. The metabolite was spectroscopically identified as pestalopyrone, a pentaketide that it was originally identified as a minor toxin produced by Pestalotiopsis oenotherae. The toxic activity of pestalopyrone was compared with that of nectriapyrone, a structurally related monoterpenoid recently isolated from Phomopsis foeniculi, and that of the new dihydro-derivative of nectriapyrone. The high phytotoxic activity of nectriapyrone and its dihydro-derivative on three non host plants, showed that the double bond of the 1-methylpropenyl group at C-6 of the aromatic ring is inessential for its activity, while the much lower activity of pestalopyrone showed that the methyl group at C-3 of the same ring is an important structural feature. The high molecular weight hydrophilic phytotoxins produced by this fungus are reported for the first time. (literal)
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