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Influence of CO2 concentration on the mycelium growth of three pleurotus species

  • Food Microbiology
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Summary

  1. 1.

    Increased CO2 concentration in the air has a positive effect on mycelium growth in the cultivation ofPleurotus ostreatus, P. florida andP. eryngii (Agar cultures).

  2. 2.

    Between 16% and 22% CO2 in the air is the optimum for the growth of the 3 above-mentioned Pleurotus species.

  3. 3.

    Concentrations of 36 vol.% CO2 inhibited growth of all 3 species.

  4. 4.

    Both sterile and pasteurized straw substrata showed 20–25% (of vol.) CO2 3 days after inoculation. Mycelium growth was normal. CO2 concentration stands in relation to the amount of inoculation material, temperature, composition of substratum, and other environmental factors.

  5. 5.

    The stimulating effect of CO2 on the growth of the Pleurotus species studied and their high tolerance to CO2 have a special importance in Pleurotus farming.

  6. 6.

    Under semianaerobic conditions with high CO2 concentration in the gaseous phase of substratum, the competitive microorganisms are eliminated and Pleurotus mycelium can grow well in the non-sterile substratum.

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Zadražil, F. Influence of CO2 concentration on the mycelium growth of three pleurotus species. European J. Appl Microbiol. 1, 327–335 (1975). https://doi.org/10.1007/BF01382692

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  • DOI: https://doi.org/10.1007/BF01382692

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