Phosphate-solubilizing bacteria (PSB)

  • Phosphate-solubilizing bacteria (PSB) has a vital role in P-solubilization in soil by producing organic acids.
  • Pseudomonas, Bacillus, Micrococcus, Aspergillus, Fusarium, Flavobacteriumetc. are common genera of the phosphate solubilizing bacteria (PSB) in soil.
  • The use of PSB as inoculants is a demonstrable technology to enhance P-uptake along with growth and yield by many crop plants.
  • Some fungi (Aspergillus, Penicillium, Mucor, Fusarium, Candida), and actinomycetes (Streptomyces) are capable of solubilizing phosphate in the soil and may function like PSB.