The present invention relates to the combined use of the nematicide Fluopyram and at least one biological control agent selected from the group consisting of Paecilomyces lilacinus, Paecilomyces lilacinus strain 251, Bacillus firmus, Bacillus firmus strain I-1582 for controlling phytopathogenic nematodes or increasing yield. The invention relates further to a method for controlling phytopathogenic nematodes, which comprises at least two treatment blocks, where in at least one treatment block the plants are treated with at least Fluopyram and in at least one treatment block the plants are treated with at least one biological control agent selected from the group consisting of Paecilomyces lilacinus, Paecilomyces lilacinus strain 251, Bacillus firmus, Bacillus firmus strain I-1582.
