Fungicidal mixtures, comprising1) the fungicidal strain (I), Bacillus pumilus with NRRL Accession No. B-30087, or a mutant of this strain having all the identifying characteristics of the strain, or a metabolite produced by the strain that exhibits activity against plant pathogenic fungi,and2) at least one chemical compound II, selected from seven azoles;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.