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KMID : 1160220150430030339
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Mycobiology
2015 Volume.43 No. 3 p.339 ~ p.342
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Antagonistic Effect of Streptomyces sp. BS062 against Botrytis Diseases
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Kim Young-Sook
Lee In-Kyoung
Yun Bong-Sik
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Abstract
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The use of microorganisms and their secreted molecules to prevent plant diseases is considered an attractive alternative and way to supplement synthetic fungicides for the management of plant diseases. Strain BS062 was selected based on its ability to inhibit the mycelial growth of Botrytis cinerea, a major causal fungus of postharvest root rot of ginseng and strawberry gray mold disease. Strain BS062 was found to be closely related to Streptomyces hygroscopicus (99% similarity) on the basis of 16S ribosomal DNA sequence analysis. Postharvest root rot of ginseng and strawberry gray mold disease caused by B. cinerea were controlled up to 73.9% and 58%, respectively, upon treatment with culture broth of Streptomyces sp. BS062. These results suggest that strain BS062 may be a potential agent for controlling ginseng postharvest root rot and strawberry gray mold disease.
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KEYWORD
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Biocontrol agent, Botrytis cinerea, Ginseng root rot, Gray mold disease, Streptomyces sp. BS062
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