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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 강원대학교 산림과학연구소 Journal of forest and environmental science Journal of forest and environmental science 제34권 제5호
- 발행연도
- 2018.1
- 수록면
- 395 - 404 (10page)
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초록· 키워드
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Since the mass mortality of Quercus mongolica has been first reported in Gyeonggi province at 2004, the disease spread rapidly over Korean peninsula annually. Ambrosia beetle (Platypus koryoensis) was known as the insect vector of oak wilt fungus, Raffaelea quercus-mongolicae, and control methods of the disease had mainly been focused on eradication of insect vector. However, for the efficient management of the disease, combined control methods for both of the pathogenic fungus and insect vector are strongly required. As one of the efforts to suppress the pathogenic fungus, antifungal activities of Streptomyces isolated from oak forest soil were assayed in this study. Optimum culture condition for the selected isolates was also studied, As a result, Streptomyces blastmyceticus cultured in PDB (Potato Dextrose Broth) at 25 o C for 1 week showed the strongest antifungal activity against oak wilt fungus. Mycelial growth inhibition rates (MGIRs) of Streptomyces isolates were compared on culture media supplemented with heated and unheated culture filtrates of S. blastmyceticus. MGIRs on culture media with unheated culture filtrates were generally higher than those on culture media with heated culture filtrates. Antagonistic mechanism to get involved in the inhibition of hyphal growth and spore formation of the pathogen is due to the antifungal metabolites produced by Streptomyces. This study will provide the fundamental information in developing biocontrol agents for the environment-friendly management of oak wilt disease.
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참고문헌 (5)
참고문헌 신청
홍기정 / 2006 / 참나무시들음병을 매개하는 광릉긴나무좀(딱정벌레목 긴나무좀과)에 대하여 / 한국응용곤충학회지 45(2):113~117
전성민 / 2010 / 국내 참나무시들음병 병원균에 대한 버섯 균주의 길항 특성 / 한국균학회지 38(1):62~68
Su Jung Jung / 2018 / Screening and Evaluation of Streptomyces Species as a Potential Biocontrol Agent against a Wood Decay Fungus, Gloeophyllum trabeum / Mycobiology 46(2):138~146
Sang Hyun Lee / 2012 / Antifungal Property of Microorganisms against Korea Oak Wilt Pathogen, Raffaelea quercus-mongolicae / 한국미생물·생명공학회지 40(1):66~69
Masato Torii / 2014 / The Effect of Raffaelea quercus-mongolicae Inoculations on the Formation of Non-conductive Sapwood of Quercus mongolica / Mycobiology 42(2):210~214
전성민 / 2010 / 국내 참나무시들음병 병원균에 대한 버섯 균주의 길항 특성 / 한국균학회지 38(1):62~68
Su Jung Jung / 2018 / Screening and Evaluation of Streptomyces Species as a Potential Biocontrol Agent against a Wood Decay Fungus, Gloeophyllum trabeum / Mycobiology 46(2):138~146
Sang Hyun Lee / 2012 / Antifungal Property of Microorganisms against Korea Oak Wilt Pathogen, Raffaelea quercus-mongolicae / 한국미생물·생명공학회지 40(1):66~69
Masato Torii / 2014 / The Effect of Raffaelea quercus-mongolicae Inoculations on the Formation of Non-conductive Sapwood of Quercus mongolica / Mycobiology 42(2):210~214
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