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KMID : 0379119940220030222
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Korean Journal of Mycology
1994 Volume.22 No. 3 p.222 ~ p.228
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Acceleration of Mycelial growth of Lentinus edodes in Coniferous Sawdust
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김동찬/Kim, Dong Chan
양재경/정원일/이종윤/유창현/박경목/Yang, Jae Kyung/Chung, Won Il/Lee, Jong Yoon/You, Chang Hyun/Park, Kyung Mok
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Abstract
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In Lentinus edodes(osk mushroom) cultivation, commonly are logs and sawdusts of oak and some other broadleaved tree species used. Recently oak trees have been substantially diminished due to extensive logging. Thus, to develop comparable synthetic formula using other tree species for the cultivation of Lentinus edodes, we investigated the effect of various autrients and pretreatment on L. edodes mycelial growth in coniferous sawdusts(i.e. Pine and Larch). We found that 1.5 hr pretreatment of sawdust with hot water and adding 10% rice bran, 3% charcoal, 0.02% NH₄Cl and 0.5-1% lignosulfornic acid were effective for the growth of L. edodes in pine sawdust media. In larch sawdust, pretreatment with acetone for one hr and adding 20% rice bran, 3% charcoal and 0.02% NH₄Cl omcreased L. edodes mycelial growth. We also analyzed the components of oak and coniferous sawdast and found oak has higher content of xylose and lower content of lignin, arabinose and mannose than conifers. Rice bran, compared with BITEL(HOKKEN Co.) known for better commerical substitute for rice bran, has lower content of xylose and galactose, but the similar C/N ratio.
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KEYWORD
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