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Cultural Characteristics of a Seedborne Fungus, Bipolaris spicifera Detected from Imported Grass Seeds into Korea

  • Koo, Han-Mo (Department of Plant Resource Science, Kongju National University) ;
  • Lee, Sang-Hun (Pathogen Research Division, Korean National Plant Quarantine Service) ;
  • Chung, Il-Min (Department of Molecular Biotechnology, College of Life and Environmental Sciences, Konkuk University) ;
  • Chun, Se-Chul (Department of Molecular Biotechnology, College of Life and Environmental Sciences, Konkuk University)
  • 발행 : 2004.12.31

초록

The study on the cultural characteristics of Bipolaris spicifera was conducted to provide with information for the identification, and inoculation studies, etc. B. spicifera grew well at $30{\sim}35^{\circ}C$ and wide range of pH $5.0{\sim}9.0$. However, the fungal growth was retarded at pH 4.0 and 10.0, respectively. Conidia were germinated with 70% at $30^{\circ}C$ but maintained 50% germination even at $40^{\circ}C$, indicating that this pathogen could infect plants at relatively high temperature. The pathogen could not produce conidia under 24 hr fluorescent light condition for 7 days. In contrast, it produced many more conidia at 24 hr dark condition.

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참고문헌

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