The present invention relates to a composition comprising at least one biological control agent selected which is Paecilomyces lilacinus strain 251 (AGAL No. 89/030550) and at least one fungicide (I) selected from the group consisting of inhibitors of the respiratory chain at complex I, II and III in a synergistically effective amount. Furthermore, the present invention relates to a method conmprising applying said composition and the use of said composition.