Statistic assignment of Fusarium oxysporum f sp. melonis strains to races 0, 1, 2, and 1-2

Luca Languasco, Vittorio Rossi, Simona Giosue', G. Mecenero

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Cultivars and differential genotypes of muskmelon were artificially inoculated with isolates belonging to the physiological races 0, 1, 2, 1-2y and 1-2w of Fusarium oxysporum f. sp. melonis and 31 isolates of the same forma specialis from Northern Italy. The results showed that: cultivars Aril, Delada and Supermarket can be used in pathogenicity tests instead of the differential genotypes because they have the same reaction to infection; the best separation of fungal isolates into the five races was achieved after thirty days after inoculation, when almost all the plants of the susceptible cultivar had been affected; multivariate statistical analyses (i.e. cluster and discriminant analyses) assign isolates to the right race more reliably than the empirical criteria commonly used
Titolo tradotto del contributo[Autom. eng. transl.] Statistic assignment of Fusarium oxysporum f sp. melonis strains to races 0, 1, 2, and 1-2
Lingua originaleItalian
pagine (da-a)27-36
Numero di pagine10
RivistaJournal of Plant Pathology
Stato di pubblicazionePubblicato - 1998

Keywords

  • Cucumis melo
  • analisi cluster
  • analisi discriminante
  • cluster analysis
  • discriminant analysis
  • pathogenicity test
  • test di patogenicità

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