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<p>Eleven dominant mesophilic and thermophilic bacteria were identified from the phase-1 compost and casing of button mushroom (<i>Agaricus bisporus</i>). During phase 1 (at 45–48&#xa0;°C), <i>Bacillus subtilis</i> (BSB1, BSB3, BSB5, and BSB13), <i>Paenibacillus polymyxa</i> (PPB6), <i>Bacillus</i> sp. (BB7), <i>B. cereus</i> (BCB8 and BCB12), and <i>Acinetobacter johnsonii</i> (AJB15/B) were identified as useful bacterial species by 16S rRNA sequencing. Whereas, in casing soil (at 22–25&#xa0;°C) <i>Alcaligenes faecalis</i> (AFB11) and <i>Pseudomonas aeruginosa</i> (PAB16/P) were identified as useful mesophiles. PAB16/P showed the strongest antagonistic activities against <i>M. perniciosa</i> (wet bubble disease) with the highest mycelial growth inhibition (91.89%), followed by BB-7 (76.39%). The other isolates, BSB1, BSB3, BSB5, PPB6, BCB8, and BSB13, also inhibited the growth of <i>M. perniciosa</i> by 61.11 to 72.55%. The degradation of wheat straw via six microbe complexes (MC-1 to MC-6) was monitored based on CO<sub>2</sub> release. The highest CO<sub>2</sub> release (174666.70&#xa0;ppm) was recorded in MC-3 (a combination of PAB16/P, AJB15/B, AFB11, and BSB5) compared with the lowest in control (43166.60&#xa0;ppm). Compost inoculated with MC-3 produced the highest crop yield (16.20&#xa0;kg/100&#xa0;kg substrate) whereas lowest in control (12.84&#xa0;kg/100&#xa0;kg substrate). MC-3 may be recommended for button mushroom compost, to manage wet bubble disease and increase crop yield.</p>

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Antifungal, growth-promoting, and lignocellulose degrading-bacteria from compost and casing soil of button mushroom (Agaricus bisporus)

  • 期刊论文

  • 发表日期：

    2025年3月28日

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  • Anil Kumar,
  • Reetu Verma,
  • Ved Prakash Sharma,
  • Satish Kumar,
  • Shwet Kamal,
  • Jagdish Goyanka,
  • Shweta Sharma,
  • Pratibha Sharma

摘要

Eleven dominant mesophilic and thermophilic bacteria were identified from the phase-1 compost and casing of button mushroom (Agaricus bisporus). During phase 1 (at 45–48 °C), Bacillus subtilis (BSB1, BSB3, BSB5, and BSB13), Paenibacillus polymyxa (PPB6), Bacillus sp. (BB7), B. cereus (BCB8 and BCB12), and Acinetobacter johnsonii (AJB15/B) were identified as useful bacterial species by 16S rRNA sequencing. Whereas, in casing soil (at 22–25 °C) Alcaligenes faecalis (AFB11) and Pseudomonas aeruginosa (PAB16/P) were identified as useful mesophiles. PAB16/P showed the strongest antagonistic activities against M. perniciosa (wet bubble disease) with the highest mycelial growth inhibition (91.89%), followed by BB-7 (76.39%). The other isolates, BSB1, BSB3, BSB5, PPB6, BCB8, and BSB13, also inhibited the growth of M. perniciosa by 61.11 to 72.55%. The degradation of wheat straw via six microbe complexes (MC-1 to MC-6) was monitored based on CO2 release. The highest CO2 release (174666.70 ppm) was recorded in MC-3 (a combination of PAB16/P, AJB15/B, AFB11, and BSB5) compared with the lowest in control (43166.60 ppm). Compost inoculated with MC-3 produced the highest crop yield (16.20 kg/100 kg substrate) whereas lowest in control (12.84 kg/100 kg substrate). MC-3 may be recommended for button mushroom compost, to manage wet bubble disease and increase crop yield.