INFLUENCE OF TEMPERATURE ON THE STRAIN OF FUSARIUM GRAMINEARUM SCHWABE IN ZEARALENONE PRODUCTION

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Abstract
Five strains of Fusarium graminearum isolated from maize in Ontario were evaluated for zearalenone production relative to incubation temperature. All strains produced significant amounts of zearalenone at 25 °C. Toxin production was enhanced by temperature stress (reducing the incubation temperature to 10 °C following a period of growth at 25 °C) in only one of the strains tested.