Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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Protective effects of extracts from spent mushroom substrate of Lentinula edodes on gray mold disease of ginseng

표고버섯 수확 후 배지추출물의 인삼잿빛곰팡이 병 방제 효과

  • Lyu, Hae-lin (Graduate School of Future Convergence Technology, Hankyong National University) ;
  • Kim, Jae-Kyong (Department of Horticultural life Science, Hankyong National University) ;
  • Cho, Jin-Joo (Department of Horticultural life Science, Hankyong National University) ;
  • Kang, Hee-Wan (Department of Horticultural life Science, Hankyong National University)
  • 유혜린 (한경대학교 미래융합기술대학원) ;
  • 김재경 (한경대학교원예생명과학과) ;
  • 조진주 (한경대학교원예생명과학과) ;
  • 강희완 (한경대학교원예생명과학과)
  • Received : 2018.08.31
  • Accepted : 2018.09.17
  • Published : 2018.09.30
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Abstract

This study aims to investigate the antifungal and protective effects of water- and 70% methyl alcohol-extracts from spent mushroom substrate (WESMS and MeOHSMS) of Lentinula edodes, on Botrytis cinerea- the causative agent for gray mold disease in ginseng. MeOHSMS inhibited mycelial growth and spore germination of Botrytis cinerea, by 75% and 95%, respectively. MeOHSMS could suppress gray mold disease of ginseng seedlings by 80% and effectively reduce the disease severity by 60%. Compared to the treatment of ginseng leaves with WESMS and DL-${\beta}$-aminobutyric acid (BABA), the MeOHSMS treatment increased the phenolic compounds in the leaves by 36% and 18%, respectively. These results suggest that the SMS extracts suppress gray mold disease in ginseng via dual functions: antifungal activity and increase in a plant defense factor-phenolic compounds.

본 연구는 표고 수확 후 배지의 물추출물(WESMS)과 70% 메탄올 추출물(MeOHSMS)의 인삼잿빛곰팡이병원균에대한 항균활성과 병 방제효과를 조사하기 위하여 수행 되었다. WESMS와 MeOHSMS는 35%와 75%의 균사생장 억제율을 보였으며 MeOHSMS는 포자발아를 95% 이상 억제시켰다. WESMS와 MeOHSMS는 병 발병정도가 1.2와 0.7로서 대조구 4.5보다 현저히 낮게 나타났으며 80% 이상의 방제효과를 보였다. MeOHSMS 처리시 인삼잎에서 페놀함량이 28.0 mg GAE/100 g로 물 처리구 18.0 mg GAE/100g과 BABA 처리구 23 mg GAE/100g 보다 페놀함량이 18%에서 35% 증가되었다.

Keywords

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