The study aimed to develop a solid biofertilizer using , focusing on auxin production to enhance plant drought tolerance. Methods involved immobilising in alginate-starch beads, focusing on microbial concentration, biopolymer types, and environmental conditions. The optimal formulation showed a diameter of 3.58 mm ± 0.18, a uniform size distribution after 15 h of drying at 30 °C, a stable bacterial concentration (1.99 × 10 CFU g ± 1.03 × 10 over 180 days at room temperature), a high auxin production (748.8 µg g ± 10.3 of IAA in 7 days), and a water retention capacity of 37% ± 4.07. In conclusion, this new formulation of alginate + starch + L-tryptophan + has the potential for use in crops due to its compelling water retention, high viability in storage at room temperature, and high auxin production, which provides commercial advantages.
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| http://dx.doi.org/10.1080/02652048.2024.2324812 | DOI Listing |
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