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KMID : 0379119980260010060
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Korean Journal of Mycology
1998 Volume.26 No. 1 p.60 ~ p.68
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Effect of Inoculation Time and Population Density of Pseudomonas agarici and P. tolaasii on the Mycelial Growth and the Fruit body Formation in Flammulina velutipes
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이현욱/Lee, Hyun Uk
신원교/조동진/문병주/이흥수/차흥오/Shin, Won Kyo/Cho, Dong Jin/Moon, Byung Ju/Lee, Heung Su/Cha, Heung Oh
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Abstract
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The effect of P. agarici and P. tolaasii causing the bacterial disease of mushrooms on the mycelial growth and fruitbody formation of F. velutipes was evaluated in laboratory. When the pathogenic bacteria was inoculated simultaneously with F. velutipes or 5 days after inoculatiou of F. velutipes, they significantly deterred both mycelial growth and fruitbody formation of F. velutipes in sawdust culture and showed strong inhibition under high population density. They appeared to be tender or milky in exhibiting symptom on F. velutipes by inocnlatiog the concentration of 10²∼10^6 of unlt/g media, and their growth seemed to be stopped under 10² cfu/g media. On 10² cfu/g media of P. agarici and 10⁴ cfu/g media of P. tolaasii, there was no effect on the fruitbody yield of F. velutipes. P. tolaasii was more suppressive in the mycelial growth of F. velutipes than P. agarici, while on fruitbodies formation of F. velutipes, P. agarici showed slightly higher inhibition than that of P. tolaasii. When the bacteria was inoculated 10 days after inoculation of F. velutipes, both mycelial growth and fruit body formation were not affected nearly.
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