The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Ecological and Physiological Characteristics of Armillaria solidipes and A. gallica in Korea

잣뽕나무버섯과 곤봉뽕나무버섯의 생태학적 및 생리학적 특성

  • Kim, Jin-Gun (Department of Forestry, Chungbuk National University) ;
  • Lee, Hwa-Yong (Department of Forestry, Chungbuk National University) ;
  • Park, Yong-Woo (Department of Forestry, Chungbuk National University) ;
  • Lee, Hee-Su (Department of Forestry, Chungbuk National University) ;
  • Koo, Chang-Duck (Department of Forestry, Chungbuk National University)
  • Received : 2018.06.25
  • Accepted : 2018.08.30
  • Published : 2018.09.01
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Abstract

Armillaria is a white-rot fungus that decomposes organics; it is also a root pathogen that kills trees. Recently, since the forest tending practice, the incidence of Armillaria infections on tree stumps has been increasing. Herein, we have examined the morphological features of Armillaria solidipes and A. gallica collected from 10 areas in Korea, and investigated the activities of the decomposing enzymes cellulase and laccase of these two Armillaria species. A. solidipes was found in eight host tree species including Pinus densiflora, Quercus serrata, and Castanea crenata at the altitude of 107~1,396 m, while A. gallica was found in three host species including P. densiflora and Fraxinus rhynchophylla at the altitude of 119~556 m. The fruiting bodies of A. solidipes are close with lamellae, and have brown to black hairs on the stipe, while those of A. gallica are distant with lamellae and clavate-shaped, and have yellow hairs on the base. The activites of cellulase of the two species were not different, but the activity of A. solidipes laccase was higher ($12.94{\pm}0.4U/mL$) than that of A. gallica laccase ($9.14{\pm}0.3U/mL$).

본 연구는 국내에 자생하는 형태적으로 식별이 어려운 잣뽕나무버섯(Armillaria solidipes)과 곤봉뽕나무버섯(Armillaria gallica)의 형태적 특성, 자실체 발생지의 환경특성, 목재분해효소를 알아보았다. 잣뽕나무버섯은 해발고도 107~1,396 m에서 소나무, 졸참나무, 밤나무 등 8종에서 발생하였고, 곤봉뽕나무버섯은 해발고도 119~556m에서 소나무, 물푸레나무 등 3종에서 발생하여 잣뽕나무버섯이 곤봉뽕나무버섯보다 분포와 기주의 범위가 넓었다. 형태는 잣뽕나무버섯의 자실체는 주름살이 빽빽하고 대에 갈색~검은색 털이 있으나, 곤봉뽕나무버섯은 대에 황색 털이 있고, 기부모양이 곤봉형이었다. 목재분해효소 cellulase의 활성은 두 종간의 차이가 없었으나 laccase의 활성은 잣뽕나무버섯($12.94{\pm}0.4U/mL$)이 곤봉뽕나무버섯($9.14{\pm}0.3U/mL$)보다 높았다. 따라서, 잣뽕나무버섯은 주름살이 빽빽하고 대에 갈색~검은색 털이 있으며, 곤봉뽕나무버섯과 구분하여 다양한 고도에서 넓은 기주범위를 보이고, 수목을 분해할 수 있는 능력이 크기 때문에 다양한 환경에 적응한 것으로 생각된다.

Keywords

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