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http://dx.doi.org/10.11625/KJOA.2018.26.4.649

Selection of Antifungal Bacteria Burkholderia lata CAB13001 for Control on Red Pepper Anthracnose and Its Control Efficacy in Field  

Hahm, Soo-Sang (충청남도농업기술원 친환경농업과)
Kim, Byung-Ryun (충청남도농업기술원 친환경농업과)
Kwon, Mi-Kyung (충청남도농업기술원 친환경농업과)
Han, Kwang-Seop (충청남도농업기술원 친환경농업과)
Park, In-Hee (충청남도농업기술원 친환경농업과)
Seo, Kyung-Won (전라북도농업기술원 농식품개발과)
Publication Information
Korean Journal of Organic Agriculture / v.26, no.4, 2018 , pp. 649-660 More about this Journal
Abstract
To control the pepper anthracnose caused by Colletotrichum acutatum, antifungal bacterium strains which was selected among bacterium from natural soil, was tested the antimicrobial activity against various pathogens and its control efficacy on anthracnose disease in the fields. We confirmed that antagonistic activity of CAB13001 strain to pathogens such as Sclerotinia cepivorum, Sclerotinia sclerotium and Botrytis cinerea including Colletotrichum acutatum was remarkable superior with the dual culture method in the artificial medium. In vitro bioassay using the green pepper fruit, CAB13001 strain suppressed the lesion development of Anthracnose disease, and its control value compared to the untreated one was 82.4% on pepper fruit in field test. These results suggested that CAB13001 strain could be a very useful biological control agents to anthracnose disease caused by air born plant pathogens of pepper. By the way, analysis of nucleotide sequence of the gene 16S rDNA, antagonistic bacterium CAB13001 strain used in this study was identified as Burkholderia lata.
Keywords
anthracnose; antifungal bacteria; burkholderia lata; pepper;
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