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Food Microbiol. 2012 May;30(1):219-25. doi: 10.1016/j.fm.2011.12.010. Epub 2011 Dec 16.

Efficacy of killer yeasts in the biological control of Penicillium digitatum on Tarocco orange fruits (Citrus sinensis).

Author information

1
GeSA, Area Difesa, University of Catania, Via Santa Sofia 100, 95123 Catania, Italy.

Abstract

Killer Saccharomyces cerevisiae and Wickerhamomyces anomalus yeast strains were tested as biocontrol agents against Penicillium digitatum, one the most important causes of postharvest decay in orange fruits. W. anomalus, grown on acidified medium, demonstrated micocinogenic activity against P. digitatum, as indicated by large inhibition halos and hyphal damage resulting from β-glucanase activity. Oranges that had been deliberately inoculated with pathogens were protected from decay by W. anomalus. Inoculation of oranges with W. anomalus strains BS 91 and BS 92 reduced disease severity to 1 and 4%, respectively, for up to 10 days in storage.

PMID:
22265304
DOI:
10.1016/j.fm.2011.12.010
[Indexed for MEDLINE]

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