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KMID : 0379120070350010033
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Korean Journal of Mycology
2007 Volume.35 No. 1 p.33 ~ p.36
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Articles : Harmful Microorganisms Occurred on the Bed-Logs of Several Quercus spp. for Shiitake Cultivation
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Lee Bong-Hoon
Bak Won-Chull
Yoon Kab-Hee
Ryu Sung-Ryul
Ka Kang-Hyeon
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Abstract
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An attempt was made to investigate the status of harmful microorganisms occurring on different kinds of oak bed-logs during shiitake cultivation. As a result, totally 14 species of harmful microorganisms, including Trametes versicolor, were confirmed. Twelve kinds of harmful microorganisms were observed on Quercus acutissima, 9 kinds on Q. mongolica and 10 kinds on Q. aliena. Diatrype stigma, Hypoxylon truncatum, Hypoxylon sp. and Trichoderma sp. occupied 75.1% of the total harmful fungi occurred on Q. acutissima. H. truncatum and Trichoderma sp. occupied 71.2% of the total harmful fungi occurred on Q. mongolica. On Q. aliena, the occurrence of H. truncatum, Trichoderma sp. and Hypoxylon howeianum was 80.3%. D. stigma and Hypoxylon sp. were observed exclusively on Q. acutissima bed-logs, and the outbreak ratios were 51.6% and 13.1%, respectively. H. truncatum was observed on 46.6% of Q. aliena bed-logs and Trichoderma sp. was observed on 30.3% of Q. mongolica bed-logs.
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KEYWORD
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Bed-Log, Harmful microorganisms, Quercus spp., Shiitake
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