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KMID : 0379119840120010015
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Korean Journal of Mycology
1984 Volume.12 No. 1 p.15 ~ p.19
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Effect of Temperature , pH , Carbon and Nitrogen Nutritions on Mycelial Growth of Pleurotus sajor - caju (Fr.) Sing . and Pleurotus ostreatus (Fr.) Quel .
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Abstract
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Some factors affecting mycelial growth of Pleurotus sajor-caju and P. ostreatus. were investigated. The optimal temperature and pH of the medium for mycelial growth of both the species were 25 to 30℃, and 5 to 6, respectively. The effect of carbon and nitrogen sources on mycelial growth of the species was studied using modified Waksman´s special medium as the basal medium, Generally. the disaccharides and polysaccharides showed good effect for mycelial growth of P. sajor-caju, and the polysaccharides were superior to the other classes of carbon sources for mycelial growth of P. ostreatus. Generally the organic nitrogen compounds showed good mycelial growth of both the species. The mycclial growth of the species were favored by the ammonium nitrogen more than by the nitrate nitrogen source. Asparagine was superior to the other kinds of amino acid. Six percentage of glucose and 0.6% ammonium tartarate was optimum for mycelial growth of P. sajor-caju whereas the optimum concentration for the P. ostreatut was 4% glucose and 0.4% ammonium tatarate.
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