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KMID : 0379120100380010062
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Korean Journal of Mycology
2010 Volume.38 No. 1 p.62 ~ p.68
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Antagonistic Properties of Mushroom Strains to Korean Oak Wilt Pathogen, Raffaelea quercus-mongolicae
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Jeon Sung-Min
Ka Kang-Hyeon
Kim Kyung-Hee
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Abstract
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This study was performed to investigate the antagonistic properties of mushroom strains against Korean oak wilt pathogen (Raffaelea quercus-mongolicae) by assessing their predominance on potato dextrose agar plates after pairing culture. Among the total of 158 strains of mushroom tested, thirty-three strains showed no antagonistic activities against the pathogen in both the short term (6~7 days) and long term (27~31 days). Ninety-six strains of tested mushrooms had a weak or no long term antagonistic activity. The antagonistic activities of 29 strains were higher than those of other strains with the levels of R+ and R for short and long term, respectively. We found that these strains with antagonistic activities against R. quercus-mongolicae belong to the species of mushrooms living on different host plants such as conifers, oaks and other broad-leaved trees. In order to use the trees damaged by Korean oak wilt as a resource(bed-log) for cultivating mushrooms, seven strains of antagonist 29 strains were selected as follows; Laetiporus sulphureus KFRI 654, Laetiporus miniatus KFRI 914, Lentinula edodes KFRI 269 and 764, Pycnoporus coccineus KFRI 588, Schizophyllum commune KFRI 832 and Trametes versicolor KFRI 100.
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KEYWORD
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Antagonistic activity, Mushroom, Oak wilt, Raffaelea quercus-mongolicae
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