A biologically pure culture of a yeast of the species Metschnikowia fructicola. The yeast is identified as NRRL Y-30752 and is capable of inhibiting growth of a deleterious micro-organism on a portion of a plant to which a biologically effective amount of a culture of the yeast is applied. Further disclosed is a composition for use in protection of agricultural produce including a biologically effective amount of Metschnikowia fructicola and a carrier. Further disclosed is an article of manufacture including packaging material and the disclosed composition which is identified for use in protection of agricultural produce from a deleterious micro-organism. Further disclosed is a method of inhibiting growth of a deleterious micro-organism on a portion of a plant including applying at least one time an agriculturally effective amount of yeast of the genus Metschnikowia to the portion of a plant.
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