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KMID : 0379120090370010060
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Korean Journal of Mycology
2009 Volume.37 No. 1 p.60 ~ p.64
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Effects of Elevated Carbon Dioxide on the Fruiting Initiation and Development of Grifola frondosa
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Chi Jeong-Hyun
Kim Jeong-Han
Ju Young-Cheuol
Seo Geon-Sik
Kang Hee-Wan
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Abstract
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Effects of CO2 concentration (500, 800, 1,000 and 1,500 ppm) on the initiation and development of fruit body of Grifola frondosa on sawdust cultivation were studied. Optimum concentrations of carbon dioxide for the initiation and development of the fruit body showed the ranges from 500 to 800 ppm. Fruit body initiation was accelerated at lower than 800 ppm CO2 exposure but the maturing of the fruit body was not influenced by above treated CO2 concentrations. The higher ratio of primordial formation, faster fruit body initiation and higher yield were obtained at below 800 ppm of CO2 level, whereas over 1,000 ppm of CO2 levels showed abnormal and lower quality of fruiting bodies. Based on the above results, it is concluded that the favorable CO2 level for bag culture of G. frondosa was below 800 ppm.
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KEYWORD
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CO2 concentration, fruit body development, Grifola frondosa, yield
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