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KMID : 0379120160440040330
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Korean Journal of Mycology
2016 Volume.44 No. 4 p.330 ~ p.337
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Control of Ginseng Damping-off by Streptomyces sp. A75 and A501
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Lee Sang-Yeob
Song Jae-Kyeong
Yun Bong-Sik
Park Kyung-Hoon
Kim Jeong-Jun
Han Ji-Hee
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Abstract
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sp. A75 and A501 inhibited the mycelial growth of pathogenic Rhizoctonia solani and sp., which cause the ginseng disease known as damping-off. Three methods were evaluated for the control of these pathogens, using a mixture of the culture broths from sp. A75 and A501. The methods tested were seed dipping with 50-fold diluted broth, drenching of soil with 100-fold diluted broth after sowing, and combined seed dipping and drenching. These methods reduced the incidence of ginseng damping-off caused by R. solani by 81.3%, 84.8%, and 32.2% and that caused by sp. by 51.0%, 52.1%, and 75.3%, respectively. Based on these results, the combination of seed dipping and soil drenching after sowing using a mixture of the culture broths from sp. A75 and A501 effectively reduced the incidence of damping- off in ginseng.
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KEYWORD
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Antifungal activity, Control, Damping-off, Ginseng, Streptomyces sp.
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