한국버섯학회지 (Journal of Mushroom)

  • 제13권4호
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  • Pages.275-281
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  • 2015
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  • 1738-0294(pISSN)
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  • 2288-8853(eISSN)
한국버섯학회 (The Korean Society of Mushroom Science)
권호 표지
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느타리버섯 재배 토양으로부터 분리한 Ochrobactrum anthropi A-1의 식물생장촉진효과

Plant Growth Promotion Effect of Ochrobactrum anthropi A-1 isolated from Soil of Oyster Mushroom Farmhouse

  • 이창재 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 이헌학 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 윤민호 (충남대학교 농업생명과학대학 생물환경화학과)
  • Lee, Chang-Jae (Department of Bio-Environmental Chemistry, College of Agriculture and Lifesciences, Chungnam National University) ;
  • Lee, Heon-Hak (Department of Bio-Environmental Chemistry, College of Agriculture and Lifesciences, Chungnam National University) ;
  • Yoon, Min-Ho (Department of Bio-Environmental Chemistry, College of Agriculture and Lifesciences, Chungnam National University)
  • 투고 : 2015.11.30
  • 심사 : 2015.12.14
  • 발행 : 2015.12.31
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초록

An auxin-producing bacteria (A-1) was isolated from soils of Oyster mushroom farmhouse in Daejeon city, South Korea. The strain A-1 was classified as a novel strain of Ochrobactrum anthropi based on a chemotaxanomic and phylogenetic analyses. The isolate was confirmed to produce indole-3-acetic acid (IAA), one of auxin hormones, by TLC and HPLC analyses. The maximum concentration of IAA, $5.6mg\;L^{-1}$ was detected from the culture broth of O. anthropi A-1 incubated for 24 h at $35^{\circ}C$ in R2A broth containing 0.1% L-tryptophan. To investigate the growth-promoting effects to the crops, the culture broth of O. anthropi A-1 was inoculated to water cultures and seed pots of mung bean as well as lettuce. In consequence, the adventitious root induction and root growth of mung bean and lettuce were 2.7 and 1.4 times higher than those of the non-inoculated, respectively.

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