Objective.

To evaluate the cellulolytic and chitinolytic activity of fungi isolated from potato rhizosphere with possibilities of being used for the biological control of R. solani.

Method.

The fungi were isolated and classified by their macroscopic and microscopic characteristics. Tests were applied to evaluate the cellulolytic and chitinolytic capabilities of fungi and their antagonistic capabilities against the phytopathogen were tested. Physicochemical analysis of the soil from which the fungi were isolated were also performed.

Result.

From the total characterized fungi, only one strain of Rhizopus sp was determined as TN8 and this was the only one that presented the best antagonistic activity against R. solani. This result lead us to consider that this fungus is a possible biocontrol agent for the phytopathogen of this study.

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