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Identification of Verticillium tenerum Isolated from Potato and Pumpkin in Korea

감자와 단호박에서 분리한 Verticillium tenerum의 동정

  • Hyun, Ik-Hwa (Central Post-Entry Quarantine Station, National Plant Quarantine Service) ;
  • Heo, Noh-Yeoul (Central Post-Entry Quarantine Station, National Plant Quarantine Service) ;
  • Ryu, Kyoung-Yul (Environment Management Division, Notional Institute of Highland Agriculture) ;
  • Kim, Jong-Tae (Environment Management Division, Notional Institute of Highland Agriculture) ;
  • Chang, Seo-Yeon (Yeongnam Regional Office, National Plant Quarantine Service)
  • 현익화 (국립식물검역소 중부격리재배관리소) ;
  • 허노열 (국립식물검역소 중부격리재배관리소) ;
  • 류경열 (고령지농업연구소 환경보전과) ;
  • 김종태 (고령지농업연구소 환경보전과) ;
  • 장서연 (국립식물검역소 영남지소)
  • Published : 2004.06.30

Abstract

Verticillium tenerum was detected from the samples of potato (Solanum tuberosum L.) and pumpkin (Cucurbita maxima Duch.) in Korea. The samples on which this species was detected were potato tubers collected from Pyungchang and Gimjae, and fruits and seeds of pumpkin from Yeonchon in 2003. The conidiophores of the fungus produced mainly three to five phialides in verticil. The phialides were narrow, flask-shaped, only very slightly swollen at the base, and taper subulately to a narrow neck. They were hyaline, $10{\sim}26{\times}2{\sim}5\;{\mu}m$. The conidia were formed in slimy heads, and were oval to ellipsoidal, pale reddish-brown, $2.5{\sim}7.5{\times}2{\sim}4\;{\mu}m$. The colony on the substrata was unique, showing brick-red color. This is the first report on the distribution of Verticillium tenerum in Korea.

2003년 4월부터 11월에 수집한 감자와 단호박 시료에 발생하는 진균을 조사한 결과, 지금까지 우리나라에서 발생기록이 없었던 Verticillium tenerum이 검출되었다. 이 균은 강원 평창과 전북 김제지역에서 수집한 감자괴경 시료와 연천지역에서 수집한 단호박 과실 및 종자 시료에서 검출되었다. V. tenerum의 분생포자경은 주로 $3{\sim}5$개의 피알라이드를 윤생으로 형성하였다. 피알라이드는 플라스크형으로 가늘었으며 무색이었고, 크기는 $10{\sim}26{\times}2{\sim}5\;{\mu}m$이었다. 분생포자는 난형 또는 장타원형으로 크기는 $2.5{\sim}7.5{\times}2{\sim}4\;{\mu}m$였고 slimy head를 형성하고 연한 적갈색을 띠었다. 그리고 감자와 호박 시료 위에 적갈색을 띠는 독특한 균총을 형성하였다.

Keywords

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