Servicio de Información Comunitario sobre Investigación y Desarrollo - CORDIS



Project ID: QLK1-CT-1999-00986
Financiado con arreglo a: FP5-LIFE QUALITY
País: Poland

A collection of Alternaria alternata and A. radicina isolates from carrot, parsley, celery, and wild carrot, with determined toxigenic properties

A diversity in toxin production by the isolates of Alternaria alternata and A. radicina from carrot, parsley, celery and wild carrot was demonstrated. A. alternata produced tenuazonic acid (TeA), alternariol (AOH), alternariol methyl ether (AME) and altertoxin I (ATX I) in PDA and rice cultures, whereas mainly AOH and AME on carrot root discs. In any media tested, A. alternata produced neither AAL-toxins (TA1 and TA2)nor fumonisins (FB1 and FB2). Isolates from carrot produced AOH and AME on carrot at lower levels as compared with those from parsley and celery. A. radicina produced mainly radicinin (RAD)in PDA and rice cultures whereas mainly RAD and epi-radicinol (epi-ROH)on carrot discs. Isolates from carrot and wild carrot were more toxigenic than those from parsley and celery. The isolates collected may serve as a tool for breeding works.


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