Biossolubilização de fontes fosfatadas por fungos do solo
DOI:
https://doi.org/10.24221/jeap.10.2.2025.6435.094-100Keywords:
filamentous fungi, phosphorusAbstract
Several soil microorganisms, including bacteria and fungi, have the ability to solubilize different forms of phosphates, increasing the availability of phosphorus (P) to plants. In the present study, the capacity and potential for phosphate solubilization by fungi isolated from the rhizosphere of agroforestry and sugarcane cultivation areas were investigated. Forty specimens were quantitatively analyzed (in vitro) for the solubilization of phosphate sources. Of these, 13 were selected and tested to assess their ability to solubilize other sources in vitro: thermophosphate (TEF), simple superphosphate (SFS), Arad natural phosphate (FNA) and monoammonium phosphate (MAP). All specimens showed the potential to solubilize P sources and pH decrease the pH of the liquid culture medium. Isolates FSP 18, FSP 22, FSP 24, FSP 28, FSP 30, CTN 69 and CTN 94 stood out for their efficiency in solubilizing various sources (60% for MAP, SFS and TEF, and 480% for FNA). Solubilization by fungi may offer an alternative for a more efficient utilization of these phosphate sources.Downloads
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