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KMID : 0379119810090030163
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Korean Journal of Mycology
1981 Volume.9 No. 3 p.163 ~ p.163
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Antagonistic Effects of streptomyces Species against Fusarium solani Causing Ginseng Root Rot
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Abstract
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1. All the nine isolates of Streptomyces produced chitinase and lysis of mycelium. Six isolates of them inhibited conidial germination and growth of the mycelium of Fusariurrt solani. 2. In the ten fold concentrated culture filtrate of Streptomyces ST59, the number of conidia of F. solani and Cylindracarpon destructans was reduced to about 31% and 18% of original count, respectively. 3. Chitinase activity rcse as the incubation period increased, whereas volumes of the mycelium of F. solani were reduced. In the mineral salt medium containing chitin, chitinase activity was increased during the 4 days and kept a steady state until 8days. then increased again. 4. Chitinase activity and reduction of mycelial volume were maximal at 40℃ 5. strep tomyces ST59 lysed the mycelia. macroconidia and chlamydospores of F. solani in the mineral salt medium at 30℃ for 6 days culture.
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