인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 227 - 232 (6page)
이용수
초록· 키워드
Biological antagonists of Phytophthora capsici were isolated from soil in Gyeongbuk, Korea. Among the isolated bacteria, a Bacillus sp. was identified from 16S rDNA sequence analysis and named Bacillus sp. AM-651. Bacillus sp. AM-651 strain which can strongly a antifungal activity against Phytophthora capsici. Culture conditions for the maximum production of the antagonistic substance were optimized. The production of antibiotic were high on modified Davis mineral medium pH 7 at 30oC. The medium for highest production of the agonistic substance optimized. It is composed the best activity on glucose, (NH4)2SO4 and K2HPO4 at 0.5%, 0.1%, and 0.7%, respectively. By time course of culture solution
selected Bacillus sp. AM-651, the culture solution after 48hrs had strongly growth inhibition rate against P.capsici. And culture solution of Bacillus sp. AM-651 was stable within a pH range 5~11 and temperature range 4~70oC. Bacillus sp. AM-651 cultured broth shown fungal growth inhibitory activitiy against B. sorokiniana, B. cinerea, R. solani avove and beyond P. capsici and comparatively showed a high activity against C. gloeosporioides, B. dothidea, B. cinerea and F. graminearum by agar diffusion method
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