Development of Microbial Inoculant Using By-product of Oriental Herbal Medicine

한약재박을 이용한 미생물제제의 개발

  • Joo, Gil-Jae (Institute of Agricultural Science and Technology, Kyungpook National University) ;
  • Kim, Young-Mog (Institute of Agricultural Science and Technology, Kyungpook National University) ;
  • Woo, Cheol-Joo (Institute of Agricultural Science and Technology, Kyungpook National University) ;
  • Lee, Oh-Seuk (Institute of Agricultural Science and Technology, Kyungpook National University) ;
  • Kim, Joung-Woong (Department of Agricultural Chemistry, Kyungpook National University) ;
  • So, Jae-Hyun (Department of Agricultural Chemistry, Kyungpook National University) ;
  • Kwak, Yun-Young (Department of Agricultural Chemistry, Kyungpook National University) ;
  • Lee, Jong-Jin (Department of Plant Resources, Sangju National University) ;
  • Kim, Jin-Ho (Department of Plant Resources, Sangju National University) ;
  • Rhee, In-Koo (Department of Agricultural Chemistry, Kyungpook National University)
  • 주길재 (경북대학교 농업과학기술연구소) ;
  • 김영목 (경북대학교 농업과학기술연구소) ;
  • 우철주 (경북대학교 농업과학기술연구소) ;
  • 이오석 (경북대학교 농업과학기술연구소) ;
  • 김정웅 (경북대학교 농화학과) ;
  • 소재현 (경북대학교 농화학과) ;
  • 곽윤영 (경북대학교 농화학과) ;
  • 이종진 (상주대학교 식물자원학과) ;
  • 김진호 (상주대학교 식물자원학과) ;
  • 이인구 (경북대학교 농화학과)
  • Published : 2005.09.30

Abstract

The development of microbial inoculant was conducted using a by-product of oriental herbal medicine. The constituent of the by-product, which was high in organic matter, was 11.3% of crude protein, 5.1% of crude lipid, 49.7% of NDF (neutral detergent fiber), and 33.8% of ADF (acid detergent fiber). Microorganisms isolated from the by-product of oriental herbal medicine were 35 species. Among them, 6 bacterial species, 4 fungal species, 2 actnomycetes species, and 1 yeast species were effective in the utilization of the by-products. The 13 strains screened were tested for the plant growth-promoting effect in soybean seedling. BL-333 strain was found to increase the soybean yield by about 23% as compared with control. The strain BL-333 was identified as Paenibacillus marcerans. P. marcerans BL-333 showed high anti-fungal activities against virulent fungi, especially Fusarium sp. and Collectotrichum sp. Yields of plants which were inoculated with microbial inoculant prepared with P. marcerans BL-333 and by-product of oriental herbal medicine were found to be higher than control by $3{\sim}24%$. The yield was especially promoted in lettuce, radish, chinese cabbage and cucumber plants.

본 연구는 한약재박의 효율적 처리를 위한 실험의 일환으로 한약재박으로부터 유용미생물을 분리하고 이들 미생물로부터 작물생육촉진미생물을 선발하여 한약재박에 적용한 한약재박 미생물제제를 만들어 친환경농업에 이용하고자 실시하였다. 한약재박은 유기물 함량이 93.0%로 높고 조단백질 함량이 11.3%, 조지방 함량이 5.1%, NDF 함량이 49.7% 및 ADF 함량이 33.8%로 나타나 미생물제제의 원료로서도 이용 가치가 높았다. 한약재박으로부터 약 35종의 미생물이 검출되었고, 이들 중 13종이 한약재박 이용성이 높았으며, 작물생육촉진미생물 BL-333 균주를 선발하였다. 선발균주 BL-333을 Bergey's Manual of Systematic Bacteriology 및 16S rDNA 염기서열(589 bp)로 상동성을 조사한 결과 Paenibacillus marcerans로 추정되었다. P. marcerans BL-333 균주는 각종 진균에 대해 대부분 높은 항진균 활성을 나타내었으며, 특히 Fusarium 속과 Collectotrichum 속 등의 진균에 대해 높은 항진균 활성을 나타내었다. P. marcerans BL-333 균주와 한약재박 분쇄물 등으로 제조한 미생물제제는 10종의 작물의 생육조사에서 무처리구보다 $3{\sim}24%$ 증수되는 효과를 나타내었으며, 특히 상추, 무, 배추 및 오이 등에서 생육촉진효과가 우수하였다. 따라서 한약재박 및 한약재박으로부터 얻은 미생물은 퇴비나 미생물제제를 위해 효과적인 재료로서의 활용 가치가 있다고 본다.

Keywords

References

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