Figure 13.
Hypothetical model on the mode of actions of Bacillus species in the management of stem rot of carnations. (A) an untreated plant, (B) plant treated with bacterial suspension of B. amyloliquefaciens (VB7). The antagonist colonize the rhizosphere region. Further, prevents the establishment of the pathogen by the hyper-parasitism and antifungal activity by the secretion of volatile and non-volatile compounds.