Fungicidal mixtures, comprising (1) a fungicidal strain (I) selected from (a) the Bacillus substilis strain with NRRL Accession No. B-21661, and (b) the Bacillus pumilus strain with NRRL Accession No. B-30087, or a mutant of these strains having all the identifying characteristics of the respective strain, or a metabolite produced by the respective strain that exhibits activity against plant pathogenic fungi, and (2) at least one chemical compound II, selected from the active compound groups (A) to (F): (A) azoles； (B) strobilurins； (C) carboxamides； (D) heterocyclic compounds； (E) carbamates； (F) other fungicides； in a synergistically effective amount, methods for controlling harmful fungi using compositions of components (1) and (2), the use of a component (1) with a component (2) for preparing such compositions, and also fungicidal agents and seed comprising such compositions.
