The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Identification of an entomopathogenic fungus, Nomuraea rileyi ANU101, infecting the beet armyworm, Spodoptera exigua, in Korea

국내 서식하는 파밤나방(Spodoptera exigua)에서 분리된 곤충병원성곰팡이 (Nomuraea rileyi ANU101)의 동정

  • Hwang, Ji-Hyeun (Department of Bioresource Sciences, Andong National University) ;
  • Park, Bok-Ri (Department of Bioresource Sciences, Andong National University) ;
  • Kim, Geun-Seop (Department of Bioresource Sciences, Andong National University) ;
  • Lee, Sun-Gu (Department of Bioresource Sciences, Andong National University) ;
  • Kim, Yong-Gyun (Department of Bioresource Sciences, Andong National University)
  • 황지현 (안동대학교 자연과학대학 생명자원과학과) ;
  • 박복리 (안동대학교 자연과학대학 생명자원과학과) ;
  • 김근섭 (안동대학교 자연과학대학 생명자원과학과) ;
  • 이순구 (안동대학교 자연과학대학 생명자원과학과) ;
  • 김용균 (안동대학교 자연과학대학 생명자원과학과)
  • Published : 2009.12.31
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Abstract

Several entomopathogenic fungi have been exploited to be developed into biological control agents in insect pest management. The beet armyworm, Spodoptera exigua, is a serious insect pest infesting various crops, but not effectively controlled by commercial chemical pesticides due to its high insecticide resistance. A fungal isolate was isolated from S. exigua larvae collected from cabbage field in Andong, Korea. The fungus could be cultured in potato dextrose agar. Larvae of S. exigua injected with the cultured conidia showed a potent entomopathogenicity. To identify the fungus isolate, its internal transcribed space (ITS) and surrounding partial 18S/28S regions were sequenced. The ITS sequence was highly matched (99%) to that of Nomuraea rileyi. Morphological characters of its hyphae and conidia were well fit to those of known N. rileyi. This study reports the first record of an entomopathogenic fungus, N. rileyi, in Korea.

Keywords

References

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