Abstract
Edible basidiomycetesFlammulia velutipes andPleurotus ostreatus were cultivated in the usual manner on media based on sawdust and rice bran, and the cultures were exposed to slowly flowing CO2-enriched air (550 (control), 3,000, 6,000, and 9,000µl/l) for seven days at different stages of cultivation. When the cultures were exposed at the primordium stage (less than 10 mm in length), length and yield of fruit-bodies increased and pileus expansion was slightly inhibited inF. velutipes, while inP. ostreatus length increased, yield decreased, and pileus expansion was greatly inhibited. When the cultures with fruit-bodies larger than 10 mm were exposed, length and yield were insensitive and pileus expansion was greatly inhibited inF. velutipes, while inP. ostreatus length was insensitive, but pileus expansion was heavily damaged by trumpet-like deformation and yield decreased. The different action of CO2 on the two species appeared to be due to the different anatomical structures of their fruit-bodies.
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Kinugawa, K., Suzuki, A., Takamatsu, Y. et al. Effects of concentrated carbon dioxide on the fruiting of several cultivated basidiomycetes (II). Mycoscience 35, 345–352 (1994). https://doi.org/10.1007/BF02268504
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DOI: https://doi.org/10.1007/BF02268504