한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제40권1호
  • /
  • Pages.30-38
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  • 2012
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  • 1598-642X(pISSN)
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  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
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경작지토양에서 미생물제제가 미생물의 다양성과 고추의 생육에 미치는 영향

Effects on the Soil Microbial Diversity and Growth of Red Pepper by Treated Microbial Agent in the Red Pepper Field

  • 안창환 (영남대학교 미생물생명공학과) ;
  • 임종희 (영남대학교 미생물생명공학과) ;
  • 김요환 (영남대학교 미생물생명공학과) ;
  • 정병권 (영남대학교 미생물생명공학과) ;
  • 김진원 (예천군 농업기술센터) ;
  • 김상달 (영남대학교 미생물생명공학과)
  • An, Chang-Hwan (Department of Applied Microbiology & Biotechnology, Yeungnam University) ;
  • Lim, Jong-Hui (Department of Applied Microbiology & Biotechnology, Yeungnam University) ;
  • Kim, Yo-Hwan (Department of Applied Microbiology & Biotechnology, Yeungnam University) ;
  • Jung, Byung-Kwon (Department of Applied Microbiology & Biotechnology, Yeungnam University) ;
  • Kim, Jin-Won (Yecheon Agricultural Technology Center) ;
  • Kim, Sang-Dal (Department of Applied Microbiology & Biotechnology, Yeungnam University)
  • 투고 : 2011.10.21
  • 심사 : 2011.12.09
  • 발행 : 2012.03.28
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초록

두 종의 Bacillus와 한 종의 Pseudomonas로 구성된 컨소시엄 미생물제제를 고추 경작지에 첨가하였을 때 경작지 토양의 미생물 다양성 변화를 조사하기 위해 건전한 토양의 지표가 되는 질소순환관여 미생물과 근권토양 내 섬유소 분해기능, 인산가용화기능과 urea 가수분해기능을 가지는 기능성미생물의 활성과 밀도를 측정하였다. 고추 경작지 토양에 컨소시엄 PGPR 미생물인 B. subtilis AH18, B. licheniformis K11과 P. fluorescens 2112의 컨소시엄 미생물제제를 처리하여 토양미생물의 다양성에 변화를 측정하여 컨소시엄 미생물제제의 처리에 의한 근권토양 미생물의 다양성 변화와 고추의 생육에 미치는 영향을 분석하였다. 컨소시엄 미생물제제 처리구의 경우 Actinomyces spp., Trichoderma spp., 광합성세균과 Azotobacter spp.가 다른 처리구에 비하여 1.7-5배 이상 높았으며, 질소 순환에 관여하는 미생물은 1.4-4배 증가되었다. 또한 기능성 미생물의 다양성도 화학제제나 물처리구와 비교하였을 때 1.3-3배 증가하였다. 건고추 수확량은 컨소시엄 미생물제제를 처리하였을 경우 대조구나 화학제제를 처리하였을 때보다 15%이상 수확량이 증대되었다. 따라서 PGPR 컨소시엄 미생물제제의 처리로 인해 고추 경작지 토양의 근권미생물 다양성과 작물의 생산성에 긍정적인 영향을 주는 것으로 생각된다. 추후 메타지노믹스를 활용하여 미생물 다양성 변화를 추가적으로 확인할 예정이다.

We investigated the effects on soil microbial diversity and the growth promotion of red pepper resulting from inoculation with a microbial agent composed of Bacillus subtilis AH18, B. licheniformis K11 and Pseudomonas fluorescens 2112 in a red pepper farming field. Photosynthetic bacteria, Trichoderma spp., Azotobacter spp., Actinomycetes, nitrate oxidizing bacteria, nitrite oxidizing bacteria, nitrogen fixing bacteria, denitrifying bacteria, phosphate solubilizing bacteria, cellulase producing bacteria, and urease producing bacteria are all indicator microbes of healthy soil microbial diversity. The microbial diversity of the consortium microbial agent treated soil was seen to be 1.1 to 14 times greater than soils where other commercial agent treatments were used, the latter being the commercial agent AC-1, and chemical fertilizer. The yield of red pepper in the field with the treated consortium microbial agent was increased by more than 15% when compared to the other treatments. Overall, the microbial diversity of the red pepper farming field soil was improved by the consortium microbial agent, and the promotion of growth and subsequent yield of red pepper was higher than soils where the other treatments were utilized.

키워드

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피인용 문헌

  1. Effects of planting density on the production of pepper for mechanized production operation vol.45, pp.4, 2012, https://doi.org/10.7744/kjoas.20180083