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영어

This study investigated the possibility of using pine tree sawdust in thinning-out tree as a substitute for poplar and douglas-fir tree sawdust in oyster mushroom cultivation. Mycelial growth was 10.8 cm in medium supplemented with 70% pine sawdust after 18 days of culture and 10.2 cm in control medium. Mycelial density showed high density with no significant difference between treatments. Fresh weight and diameter of fruiting bodies were slightly lower in medium supplemented with pine tree sawdust. The hardness of pine tree sawdust was slightly higher in the medium supplemented with 20% and 30% of pine tree sawdust. The L value showed a tendency to be higher in the pine added medium, but the a and b values d id not show any significant difference between the treatments. The yields of fruiting body were 157 g / 850 ml for the control and 170 g / 850 ml for the 40% added pine tree sawdust