Bacillus subtilis is a grampositive, spore-forming bacterium that is naturally present in the roots of plants. Today, it is recognized as a powerful tool in biological control because of its ability to promote plant growth under limited conditions of soil phosphorous through phytase production and the inhibition of phytopathogens achieved by producing extracellular enzymes. In addition, it stimulates the plant’s own defenses and produces a variety of antibiotics