Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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the mechanism of Biological Control of Pseudomonas spp.Against Fusarium solani Causing Plant Root-Rot Disease

식물 뿌리썩음병을 유발하는 Fusarium solani에 대한 Pseudomonas 속의 생물학적 방제기작

  • 이은주 (경북대학교 자연과학대학 유전공학과) ;
  • 김경석 (경북대학교 자연과학대학 유전공학과) ;
  • 홍수형 (경북대학교 자연과학대학 유전공학과) ;
  • 하지홍 (경북대학교 자연과학대학 유전공학과)
  • Published : 1995.02.01
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Abstract

The 543 microbial strains were isolated from the rhizosphere in ginseng root rot-suppressive soil. From these, isolate KGM-100 was finally selected for the screening of powerful antagonistic bacterium for the soil-born Fusarium solani causing root rot of many important crops. The isolate KGM-100 was identified as Pseudomonas aeruginosa. Antibiotics produced by the P. aeruginosa KGM-100 were partially characterized as heat-stable and low-molecular weight antibiotics. The strain also produced siderophore, which was assumed to be pseudobactin. Pot test showed approximately 30-50% biological control effects when Fusarium solani-infected soil was treated with the P. aeruginosa KGM-100.

Keywords

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