http://www.cnr.it/ontology/cnr/individuo/prodotto/ID46106
Relation Between In Vitro Production of Ascosonchine and Virulence of Strains of the Potential Mycoherbicide Ascochyta sonchi: a Method for its Quantification in Complex Samples (Articolo in rivista)
- Type
- Label
- Relation Between In Vitro Production of Ascosonchine and Virulence of Strains of the Potential Mycoherbicide Ascochyta sonchi: a Method for its Quantification in Complex Samples (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/pca.926 (literal)
- Alternative label
Evidente A., Berestetskiy A., Andolfi A., Zonno M.C., Cimmino A., Vurro M. (2006)
Relation Between In Vitro Production of Ascosonchine and Virulence of Strains of the Potential Mycoherbicide Ascochyta sonchi: a Method for its Quantification in Complex Samples
in Phytochemical analysis
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Evidente A., Berestetskiy A., Andolfi A., Zonno M.C., Cimmino A., Vurro M. (literal)
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- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dipartimento di Scienze del Suolo della Pianta e dell'Ambiente, Università di Napoli Federico II, Via Università 100, 80055 Portici, Italy
All Russian Institute of Plant Protection; Russian Academy of Agricultural Sciences, Podbelskogo shosse, 3, Pushkin, Saint-Petersburg 196608, Russia (literal)
- Titolo
- Relation Between In Vitro Production of Ascosonchine and Virulence of Strains of the Potential Mycoherbicide Ascochyta sonchi: a Method for its Quantification in Complex Samples (literal)
- Abstract
- The potential of the fungus Ascochyta sonchi as a mycoherbicide for the biocontrol of the perennial weeds Sonchus
arvensis and Cirsium arvense that occur throughout temperate regions of the world is under evaluation. Ascosonchine, a newly
discovered enol tautomer of 4-pyridylpyruvic acid with potential herbicidal properties, is the main phytotoxin produced by this
fungus. A simple and sensitive method has been developed for the rapid quantitative analysis of ascosonchine based on HPLC with
UV detection. The toxin content in culture filtrates of different strains of A. sonchi was measured. The strains tested produced up
to 2.7 mg/L when grown in static conditions. Toxin production was compared with the virulence on the host plant of each strain to
determine if the most virulent strains could be simply selected by choosing the best toxin producers. The results obtained do not
support this approach. The same HPLC method was also applied to quantify toxin production under different fungal growth conditions,
in order to achieve the highest toxin production. The most productive strain synthesised more than 8mg/L when grown for
8 weeks in static conditions. (literal)
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