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http://dx.doi.org/10.7845/kjm.2013.3078

Biocontrol of Red Pepper Using Mixed Culture of Antagonistic Bacterium and Phosphate Solubilizing Yeast  

Lee, Gun Woong (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University)
Min, Byung-Dae (Water Supply and Sewerage Research Division, National Institute of Environmental Research)
Park, Sujeong (Water Supply and Sewerage Research Division, National Institute of Environmental Research)
Jheong, Weonhwa (Water Supply and Sewerage Research Division, National Institute of Environmental Research)
Go, Eun Byeul (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University)
Lee, Kui-Jae (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University)
Chae, Jong-Chan (Division of Biotechnology and Advanced Institute of Environmental and Bioscience, Chonbuk National University)
Publication Information
Korean Journal of Microbiology / v.49, no.4, 2013 , pp. 398-402 More about this Journal
Abstract
This study was to investigate beneficial effects of microbial mixture on red pepper which was capable of promoting plant growth by solubilizing insoluble phosphate as well as protecting plants from pathogenic attack. Saccharomyces sp. L13 was isolated for phosphate solubilizing activity on aluminium phosphate, tricalcium phosphate, calcium hydrophosphate, and magnesium hydrophosphate. On the other hand, Bacillus sp. L32 was isolated for antagonistic activity against Phytophthora capsisi and Colletotrichum gloeosporioides, causing Phytophthora blight and Anthracnose disease in pepper, respectively. The strain L32 exhibited antagonistic activities both under dual culture assays and detached leaves assays. The each strain under the condition of mixed cultivation exhibited the same growth rates as one under pure cultivation. In greenhouse study, the mixed culture showed the both effect of plant growth promotion and reduction of disease symptom development against P. capsisi and C. gloeosporioides providing a potential as effective microbial agent for plant husbandry.
Keywords
Bacillus; Saccharomyces; biocontrol; phosphate solubilizing; red pepper;
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