Bacillus Subtilis: A Key Player in Plant Growth Promotion |...

Bacillus Subtilis: A Key Player in Plant Growth Promotion

Posted 2023-06-14 11:31:28

Bacillus subtilis, a beneficial bacterium commonly found in soil, has emerged as a key player in plant growth promotion. This remarkable microorganism forms a symbiotic relationship with plants, enhancing their nutrient uptake, disease resistance, and overall growth. Bacillus subtilis produces a range of bioactive compounds, including plant growth hormones, siderophores, and antimicrobial substances, which positively influence plant health.

One of the key mechanisms by which Bacillus subtilis promotes plant growth is through the production of indole-3-acetic acid (IAA), a plant hormone that stimulates root development and increases nutrient absorption. Additionally, Bacillus Subtilis acts as a biocontrol agent, inhibiting the growth of plant pathogens through the secretion of antimicrobial compounds. Moreover, Bacillus subtilis forms a protective biofilm around plant roots, acting as a barrier against harmful pathogens. This biofilm also aids in the solubilization of phosphorus, making it more readily available for plants.

Bacillus subtilis plays a vital role in plant growth promotion by improving nutrient availability, disease resistance, and overall plant health. Its symbiotic relationship with plants makes it a valuable tool in sustainable agriculture practices.