Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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Identification of oyster mushroom green mold pathogen that causes and pathological characteristics

느타리버섯 발생하는 푸른곰팡이병원균의 동정 및 병원학적 특성

  • Jhune, Chang-Sung (Mushroom research Division, Department of Herbal Crop Research, National Institute of Horticultural & Herbal Science, RDA) ;
  • Leem, Hoon-Tae (Mushroom research Division, Department of Herbal Crop Research, National Institute of Horticultural & Herbal Science, RDA) ;
  • Park, Hye-Sung (Mushroom research Division, Department of Herbal Crop Research, National Institute of Horticultural & Herbal Science, RDA) ;
  • Lee, Chan-Jung (Mushroom research Division, Department of Herbal Crop Research, National Institute of Horticultural & Herbal Science, RDA) ;
  • Weon, Hang-Yeon (Agricultural Microbiology Division, National Academy of Agricultural Science, RDA) ;
  • Seok, Soon-Ja (Agricultural Microbiology Division, National Academy of Agricultural Science, RDA) ;
  • Yoo, Kwan-Hee (College of science & engineering, Sangji University) ;
  • Sung, Gi-Ho (Mushroom research Division, Department of Herbal Crop Research, National Institute of Horticultural & Herbal Science, RDA)
  • 전창성 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 임훈태 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 박혜성 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 이찬중 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 원항연 (농촌진흥청 국립농업기술원 생물부 농업미생물팀) ;
  • 석순자 (농촌진흥청 국립농업기술원 생물부 농업미생물팀) ;
  • 유관희 (상지대학교 이공과대학 생명과학과) ;
  • 성기호 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과)
  • Received : 2014.06.16
  • Accepted : 2014.06.27
  • Published : 2014.06.30
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Abstract

Green mold disease caused by Trichoderma species has recently caused considerable damage to oyster mushroom industries in Korea. This disease Trichoderma, Penicillium, Aspergillus, such as in (genus) to be included in a disease caused by a species that collectively the largest incidence and damage is caused by the pathogen Trichoderma genus. T. longibrachiatum, Trichoderma koningii, Trichoderma virens, T. hazianum, T. atroviride, and T. pseudokoningii were detected on oyster mushroom beds and, of them, T. virens, T. hazianum, T. longibrachiatum was the most frequently detected. The knowledge concerning physiological and ecological properties of Trichoderma spp. was essential for their effective control. T. longibrachiatum hyphal growth is very fast, spore formation, and, particularly well-chlamydospore formation characteristics, and reviews are dark green discoloration. T. koningii, fast mycelial growth, aerial hyphae and spores in aerial hyphae formation is concentrated. T. virens, especially if the color change caused by spore-forming, slow, late in infection, the more severe the damage is discovered. T. hazianum fast mycelial growth, white aerial hyphae and late turns dark green. After spore formation hyphae glob of white pustules or tufts on the top of the formation. T. atroviride. aerial hyphae usually the mycelial growth and spore formation in the unlikely event of the formation and smells similar to the smell of coconut is that. Fast T. pseudokoningii mycelial growth, spore formation is formed around the inoculation site, discoloration of the medium color and well formed chlamydospores.

균상느타리버섯에서 발생하는 곰팡이 병해 중에서 가장 많은 문제를 발생하는 것은 Trichoderma disease 또는 green mould 등으로 불리우는 푸른곰팡이병이다. 이 병은 Trichoderma, Penicillium, Aspergillus 등의 속(genus)에 포함되는 종들에 의해 발병되는 병을 총칭하는 것으로 발생빈도와 피해가 가장 큰 것은 Trichoderma 속의 병원균에 의해 발생하였다. 느타리버섯 균상에 분리된 병원균은 T. longibrachiatum, T. koningii, Trichoderma virens, T atroviride, T. hazianum, T. pseudokoningii 6종이었으며, 발생빈도가 높은 것은 T. virens, T. hazianum, T. longibrachiatum 3종이었고, 각각의 균은 배양적 특성 및 병원성도 각기 다른 특성을 보이고 있었다. T. longibrachiatum 균사생장이 매우 빠르고, 포자형성이 빠르며, 특히 후막포자형성이 잘되는 특성을 있으며, 후기에는 진한 녹색으로 변색된다. Trichoderma koningii는 균사생장은 빠르고, 공중균사가 많은 편이며, 포자는 공중균사에 밀집되어 형성된다. 특히 Trichoderma virens 같은 경우에는 포자형성에 의한 색깔변화가 느리며, 감염후기에 발견되어 그 피해가 심한 편이었다. Trichoderma atroviride. 균사생장은 보통이며, 포자형성은 공중균사에 드물게 형성되며, 후기에는 진녹색을 띤다. 이균의 특징은 coconut 냄새와 유사한 향기가 나는 것이다. T. hazianum은 초기에는 균사가 백색으로 매우 빠르고, 공중균사에 포자가 형성하며, 후기에는 진한 녹색으로 변색된다. 공중 균사에 형성된 포자는 육안적으로 pustules or tufts의 형태를 나타내었다. Trichoderma pseudokoningii 균사생장은 빠르며, 포자형성은 접종부위를 중심으로 형성되며, 후기에는 환무니를 형성하며, 특히 배지 색이 변색되고 후막포자 잘 형성되는 특징이 있었다.

Keywords

References

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