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
- 2006.6
- 수록면
- 107 - 114 (8page)
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초록· 키워드
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The white cottony stem rot pathogen Sclerotinia sclerotiorum was subjected to 70 different isolates of actinomycetes indigenous to Jordan as biological control agents. Forty of them demonstrated chitinase activity on crab shell chitin agar (CCA) media and they were segregated into three groups: 14 highly active, 12 moderately active, and 14 with low activity, with average clearing zones of (4.7-8.3), (3.7-4.3), and (2.3-3.3) ㎜ surrounding colonies on CCA, respectively. Further, these isolates were able to inhibit radial mycelium growth of the pathogen and were categorized into three antagonistic groups: 13 strong, 13 moderate, and 14 weak antagonists, with antibiosis inhibition zones of (32.0-45.7), (22.7-31.3), and (3.7-22.3) ㎜, respectively. High levels of chitinase activity of the isolates Ma3 (8.3 ㎜), Ju1 (7.7 ㎜), and Sa8 (7.7 ㎜) with their antagonistic activity against mycelium growth of 45.7, 44.3, and 40.7 ㎜ were observed, respectively. These isolates exhibited fungicidal activity against sclerotia of S. sclerotiorum. On the other hand, isolates Na5, Aj3, and Aj2 that produced no chitinase showed fungistatic effect only.
목차
Materials and Methods
Results
Discussion
Acknowledgments
References
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UCI(KEPA) : I410-ECN-0101-2009-481-017571613