The present invention relates to a composition comprising at least one biological control agent selected from the group consisting of Bacillus subtilis AQ713 (NRRL Accession No. B-21661) and Bacillus subtilis AQ30002 (NRRL Accession No. B-50421), and at least one fungicide (I) which is acibenzolar-S-methyl in a synergistically effective amount wherein the synergistic weight ratio of biological control agent and fungicide (I) is between 1:0.0001 and 1:1. Furthermore, the present invention relates to the use of this composition as well as a method for reducing overall damage of plants and plant parts.