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KMID : 0379119740020010001
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Korean Journal of Mycology
1974 Volume.2 No. 1 p.1 ~ p.6
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Some Factors Affecting Growth of Mycogone perniciosa Magn . Causing Wet Bubble in Cultivated Mushroom , Agaricus bisporus (Lange) Sing
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김동수/Kim, Dong Soo
신관철/한용식/전병성/Shin, Kwan Chul/Han, Young Sik/Jun, Byung Sung
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Abstract
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1. The mycelial growth and spoilation of Mycogone perniciosa was compared on modified Czapek´s media deficient in carbon source, introgen source, K, Mg, P or the heavy metal elements. The mycelial growth was significantly reduced in solution cultures locking Mg, metal elements. The mycelial growth occurred in solution lacking carbon source or nitrogen source. Most sparse sporulation and smaller chlamydospores than on any of deficient agar media occurred on agar media dificient in carbon source or nitrogen source.
2. In both potato dextrose agar and malt extract solution, growth of thefungua was optimum at 25℃, and undetectable at 10℃ and 35℃.
3. Optimum pH for growth of this fungus was 7.0.
4. This fungus was killed in soil when exposed to 50℃ or higher for 20 minutes or more.
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