Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Correlation between Disease Occurrences and Microbial Community Structure by Application of Organic Materials in Pepper

유기농자재 사용에 따른 고추 병해 발생과 토양 미생물상 구조의 상관관계

  • Cho, Gyeongjun (Division of Applied Life Science (BK21Plus), Institute of Agriculture & Life Science, Gyeongsang National University) ;
  • Kim, Seong-Hyeon (Department of Plant Medicine, Gyeongsang National University) ;
  • Lee, Yong-Bok (Division of Applied Life Science (BK21Plus), Institute of Agriculture & Life Science, Gyeongsang National University) ;
  • Kwak, Youn-Sig (Division of Applied Life Science (BK21Plus), Institute of Agriculture & Life Science, Gyeongsang National University)
  • 조경준 (경상대학교 응용생명과학부) ;
  • 김성현 (경상대학교 식물의학과) ;
  • 이용복 (경상대학교 응용생명과학부) ;
  • 곽연식 (경상대학교 응용생명과학부)
  • Received : 2020.07.13
  • Accepted : 2020.10.21
  • Published : 2020.12.31
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Abstract

Organic farming is necessary to sustainable agriculture, preserve biodiversity and continued growth the sector in agriculture. In organic farming, reduced usage of chemical agents that adversely affect human health and environment, employing amino acids and oil cake fertilizer, plant extracts, and microbial agents are used to provide safe agricultural products to consumers. To investigation microbiome structure, we proceeded on the pepper plant with difference fertilizers and treatments in organic agriculture for three years. The microbial communities were analyzed by the next generation sequencing approach. Difference soil microbiota communities were discovered base on organic fertilizer agents. Occurrences of virus and anthracnose diseases had a low incidence in conventional farming, whereas bacteria wilt disease had a low incidence in microbial agents treated plots. Microbe agents, which applied in soil, were detected in the microbial community and the funding suggested the applied microbes successfully colonized in the organic farming environment.

유기농업은 지속가능한 농업을 위해서 필요하며, 생물 다양성 유지를 위해 필수적인 경작 방법으로 전 세계적으로 성장하고 있는 농업 분야 중 하나이다. 유기농업은 인류의 건강과 환경에 유해한 영향을 끼질 수 있는 화학적 제재의 사용을 줄이고, 친환경적 동·식물성 비료, 식물 추출물, 미생물 제재 등이 사용되기 때문에 소비자에게 안전한 농산물을 제공할 수 있다. 노지 고추를 대상으로 3년간 유기농업 환경과 관행농업 환경에서 주요 병해 발생과 토양 미생물상의 조사하였다. 토양 미생물상의 차이는 차세대 염기서열 분석 기법을 활용하여 조사하였으며, 유기농업에 사용되는 제제의 종류에 따라 토양 미생물상이 다르게 형성되었다. 바이러스, 탄저병에 대해서는 관행농업에서의 병 발생률이 낮았으나, 청고병은 미생물 제재 사용에 의해 병 발생률이 낮게 나타났다. 미생물 제재를 사용한 토양에서 투입된 미생물이 토양 미생물에서 검출되었으며, 이는 미생물이 실제 토양에 정착했음을 시사한다.

Keywords

References

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