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KMID : 0379119850130020105
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Korean Journal of Mycology
1985 Volume.13 No. 2 p.105 ~ p.109
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Influences of Antibiotic Components Produced by Trichoderma spp . to Oyster Mushroom
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Abstract
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Isolates of the different species groups of Trichoderma from the mushroom culture beds were identified according to Rifai´s classification and influence of antibiotics produced by them against the oyster mushroom was examined. Trichoderma islolates were identified as Trichoderma hamatum, Trichoderma viride and Trichoderma koningii. Among the Trichoderma isolates, fungistatic action of Trichoderma viride was found to be most remarkable. Pleurotus ostreatus and Pleurotus sajor-caju were the most susceptable of the edible mushrooms tested, followed by Lentinus edodes, Flammulina velutipes and Auricularia auricula. A needle-shaped crystal gained from the chloroform extract of the culture filtrate of Trichoderma viride repressed distinctively the mycelial growth of the oyster mushroom. The grade of repression of the crystal at 500ppm and 1/10 aequous solution of the chloroform extract against the oyster mushroom, seemed equal to that of cycloheximide at 100∼200ppm.
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