Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Antifungal Activity of Impatiens balsamina against Ginseng Pathogen Alternaria panax

봉선화(Impatiens balsamina)의 인삼점무늬병균에 대한 항균활성

  • 안태진 (충북 음성군 농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 신유수 (충북 음성군 농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 이승은 (충북 음성군 농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 안영섭 (충북 음성군 농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김영국 (충북 음성군 농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 박충범 (충북 음성군 농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 유승헌 (충남대학교 농업생명과학대학)
  • Published : 2009.12.30
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Abstract

This study was conducted to find out environment-friendly disease control method to Alternaria blight caused by Alternaria panax of ginseng. For this study, 150 methanol extracts from medicinal plants were evaluated and the extract of Impatiens balsamina showed most strong antifungal activity against A. panax. The methanol extract of I. balsamina showed also stable antifungal activity against other ginseng pathogens such as Botrytis cinerea and Fusarium sp., when treated by heat or pH. In vivo, Alternaria blight incidence rate was low of 13% with the treatment of I. balsamina methanol extract compared to 35% of the non-treatment. The antifungal compound of I. balsamina was purified and identified by using a silica gel column chromatography, TLC and ESI-LC/MS/MS analysis. The compound which showed strong antifungal activity was identified as 2-methoxy-1,4-naphtoquinone ($C_{11}H_8O_3$).

Keywords

References

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