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Microbiology and Biotechnology Letters

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Microbiol. Biotechnol. Lett. 1995; 23(1): 91-97

식물 뿌리썩음병을 유발하는 Fusarium solani에 대한 Pseudomonas 속의 생물학적 방제기작

the mechanism of Biological Control of Pseudomonas spp.Against Fusarium solani Causing Plant Root-Rot Disease


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: Biological control, fusarium solani, pseudomonas aeruginosa, antibiotics, pseudobactin

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