Journal of Sericultural and Entomological Science (한국잠사곤충학회지)

Korean Society of Sericultural Science (한국잠사학회)
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Report on the Genus Cordyceps and Its Anamorphs Collected in Korea

한국자생 동충하초의 채집 및 자원보고

  • Nam, Sung-Hee (Department of Agricultural Biology, National Institutue of Agricultural Science Technology, RDA) ;
  • Jung, I-Yeon (Department of Agricultural Biology, National Institutue of Agricultural Science Technology, RDA) ;
  • Hong, In-Pyo (Department of Agricultural Biology, National Institutue of Agricultural Science Technology, RDA) ;
  • Ji, Sang-Duk (Department of Agricultural Biology, National Institutue of Agricultural Science Technology, RDA) ;
  • Hwang, Jae-Sam (Department of Agricultural Biology, National Institutue of Agricultural Science Technology, RDA) ;
  • Nguyen, Mau Tuan (College of Agriculture and Life Science, Kyungpook National University) ;
  • Han, Myung-Sae (College of Agriculture and Life Science, Kyungpook National University)
  • 남성희 (농업과학기술원 농업생물부) ;
  • 정이연 (농업과학기술원 농업생물부) ;
  • 홍인표 (농업과학기술원 농업생물부) ;
  • 지상덕 (농업과학기술원 농업생물부) ;
  • 황재삼 (농업과학기술원 농업생물부) ;
  • ;
  • 한명세 (경북대학교 농업생명과학대학)
  • Published : 2005.06.01
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Abstract

Morphological characteristics of Cordyceps species and its allies collected in Korea were clarified. Through the survey conducted from June 1999 to October 2002 in 19 mountains in Korea, 667 samples of entomogenous fungi were collected. Cordyceps and its allies of 17 species of 5 genera were identified as Cordyceps gracilioides, C. japonica, C. longissima, C. martialis, C. militaris, C. myrmecophila, C. nutans, C. pruinosa, C. sphecocephala, C. tricentri, Hirsutella nutans, Paecilomyces cicadae, P. farinosus, P. tenuipes, Paecilomyces sp., Shimizuomyces paradoxa, Tilachlidiopsis nigra. The fungi with insect hosts have been collected mainly in the place of shade or mosses near brooks and streams that had high humidity. Overall the frequenct of fungal infection in natural ecosystem was relatively low as few as 10 collections per each species. However, many species were found in terms of the few number of colleciton sites with seasonal limitations. Occurrence of the fungi in Jeju island remote from inland of the Korean peninsula were diverse in their species due to the varied weather of vertical distribution following the altitude. Three most common species were C. nutans, P. tenuipes and C. militaris, mainly found early in August when the relative humidity and temperature were high, of which C. nutans occupied the highest frequency consisting of 65% in total collections. Neither variation in ascomata arrangement in stromata nor developement of secondary spores was recognizable, while the number, shape and colour of stromata varied with insect hosts and weather conditions.

국내 자생 동충하초균의 발생환경과 그 발생빈도를 조사하고 수집된 표본의 형태적 특성에 의해 동정하였다. 국내 산지 19개소에서 1999년부터 2002년까지 수집된 동충하초는 5속 17종이었으며(Cordyceps gracilioides, C. japonica, C. longissima, C. martialis, C. militaris, C. myrmeopila, C. nutans, C. pruinosa, C. sphecocephala, C. tricentri, Hirsutella nutans, Paecilomyces cicadae, P. farinosus, P. tenuipes, paecilomyces sp., Shimizuomyces paradoxa, Tilachidiopsis nigra), 그 외 중국도입 C. sinensis균 특성ㄷ 추가조사하였다. 국내수집 균주는 계곡 및 저습지, 이끼지역, 활엽수림 등에 주고 분포하였으며, 제한된 조사지역과 채집시기에 비하여 다양한 종이 발견되었으나, 종별 채집 수는 10여 점으로서 발생빈도는 대체로 낮았다. 제주도는 내륙과 격리된 남쪽에 위치하므로 비교적 온난하며 한라산은 기후의 수직분포가 커서 종의 분포가 다양하며 특이한 것으로 평가된다. 수집종은 온도가 높고 습기가 많은 8월 초순에 많이 채집되었으며, C. nutans, C. militaris, P. tenuipes의 발생빈도가 현저히 높았고 그 중에서 C. nutans는 667념 중 65%로서 우점종이었다. Cordyceps는 숙주개체 당 1~2개의 자좌를 형성하며, 자낭각 배열과 이차포자 발달에는 종내 변이가 없으나, 자좌의 수, 형태, 색상 드은 발생환경 및 숙주에 따른 변이가 인정되었다.

Keywords

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