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논문 기본 정보

자료유형
학술저널
저자정보
Kwon, Jin-Hyeuk (Gyeongsangnam-do Agricultural Research and Extension Services) Kang, Dong-Wan (Gyeongsangnam-do Agricultural Research and Extension Services) Song, Won-Doo (Gyeongsangnam-do Agricultural Research and Extension Services) Choi, Ok-Hee (Department of Applied Biology, Gyeongsang National University)
저널정보
한국균학회 Mycobiology Mycobiology 제39권 제3호
발행연도
2011.1
수록면
230 - 232 (3page)

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In this study, we characterized sporadically occurring sclerotium rot caused by Sclerotium rolfsii in Chinese chive (Allium tuberosum Roth.) in farm fields in Sacheon, Korea. The initial symptom of the disease was water-soaked, which progressed to rotting, wilting, blighting, and eventually death. Further, mycelial mats spread over the lesions near the soil line, and sclerotia formed on the scaly stem and leaves. The sclerotia were globoid, 1~3 mm, and white to brown. The optimum temperature for growth and sclerotia formation on potato dextrose agar (PDA) was $30^{\circ}C$. The diameter of the hypae ranged from 4 to 8 ${\mu}m$. Clamp connection was observed on PDA medium after 5 days of incubation. Based on the mycological characteristics, internal transcribed spacer sequence analysis, and pathogenicity test, the causal agent was identified as Sclerotium rolfsii Saccardo. This is the first report of sclerotium rot in Chinese chive caused by S. rolfsii in Korea.

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