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KMID : 1098420060140040202
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Korean Journal of Medicinal Crop Science
2006 Volume.14 No. 4 p.202 ~ p.205
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Isolation of Antagonistic Bacteria against Major Diseases in Panax ginseng C.A. Meyer
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Chung Ki-Chae
Kim Chang-Bae
Kim Dong-Ki
Kim Bok-Jin
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Abstract
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Ginseng is major medicinal plant in Korea. Because of its long cultivation period the yield losses of 5 years of ginseng is 50% due to various diseases. The objective of this study is to select potential biocontrol agents. As the result of research so far achieved to contribute to rational prevention of ginseag plant disease for the stable cultivation of ginseng, three bacterial strains, Streptomyces lauretii strain B8180, Bacillus subtilis strain 8856, and Burkholderia cepacia strain 7944 were isolated from oak leaf compost. The strains showed antagonistic activities against five ginseng pathogenic fungi (Cylindrocarpon destructans, Rhizoctonia solani, Phytophthora cactorum, Botrytis cinerea, Fusarium solani f. sp. panacis) and control effects on Phytophthora blight.
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KEYWORD
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Streptomyces lauretii, Bacillus subtilis, Burkholderia cepacia, Phytophthora cactorum
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