the invention relates to a fungicidal mixture comprising prothioconazole or a salt or adduct thereof with an inorganic acid an organic acid or a metal ion ; and at least one further fungicidal compound , selected from the group consisting of thiram , fenoxanil , benthivalicarb , metalaxyl , fludioxonil and prochloraz , in a synergistically effective amount and to methods for controlling harmful fungi , comprising applying the fungicidal mixture .