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<p>Milky mushroom (<i>Calocybe indica</i>) is a promising tropical mushroom with significant potential for commercial cultivation. This study aimed to identify a bacterial isolate capable of enhancing the growth and yield of <i>C. indica</i>. Soil samples from natural macro-fungi habitats yielded 79 bacterial isolates, five of which demonstrated strong phosphate solubilization and indole-3-acetic acid (IAA) production. Among these, isolate B28 (identified as <i>Azotobacter</i> spp.) significantly enhanced the radial and linear mycelial growth of <i>C. indica</i>. Further trials revealed that supplementation with B28 at a concentration of 5&#xa0;mL/bag in both substrate and casing increased mushroom yield and biological efficiency by 20.6%. The study suggests that B28's phosphorus solubilization and IAA production are key factors driving its growth-promoting effects. These findings underscore the potential of bio-inoculants like B28 to improve mushroom cultivation in an eco-friendly and sustainable manner. Future research should explore B28’s efficacy across varying environmental conditions and its compatibility with other beneficial microbial strains.</p>

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Indigenous mushroom growth promoting bacterial isolate enhances yield potential of Milky Mushroom

  • 期刊论文

  • 发表日期：

    2025年5月18日

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  • Navneet Kaur,
  • Gagandeep Kaur,
  • Gurveer Kaur

摘要

Milky mushroom (Calocybe indica) is a promising tropical mushroom with significant potential for commercial cultivation. This study aimed to identify a bacterial isolate capable of enhancing the growth and yield of C. indica. Soil samples from natural macro-fungi habitats yielded 79 bacterial isolates, five of which demonstrated strong phosphate solubilization and indole-3-acetic acid (IAA) production. Among these, isolate B28 (identified as Azotobacter spp.) significantly enhanced the radial and linear mycelial growth of C. indica. Further trials revealed that supplementation with B28 at a concentration of 5 mL/bag in both substrate and casing increased mushroom yield and biological efficiency by 20.6%. The study suggests that B28's phosphorus solubilization and IAA production are key factors driving its growth-promoting effects. These findings underscore the potential of bio-inoculants like B28 to improve mushroom cultivation in an eco-friendly and sustainable manner. Future research should explore B28’s efficacy across varying environmental conditions and its compatibility with other beneficial microbial strains.