AntagonismMembers of the bacterial genera Bacillus, Pseudomonas, Ser-ratia, Stenotrophomonas, and Streptomyces and the fungal generaAmpelomyces, Coniothyrium, and Trichoderma are well-studiedmicroorganisms with proven microbial influence on plant health.When testing microbial isolates from plant-associated habitats,between 1 and 35% showed antagonistic capacity to inhibit thegrowth of pathogens in vitro