Research in Plant Disease 2007;13(3):211-215.
Published online December 30, 2007.
Glomerella cingulata에 의한 유카리나무 탄저병 발생
권진혁, 지형진, 정선기
Occurrence of Anthracnose Caused by Glomerella cingulata on Eucaly trees in Korea
Jin Hyeuk Kwon, Seon Gi Jeong, Hyeong Jin Jee
Since 2003, anthracnose symptoms on Eucalyptus globulus were observed in farmer``s field at Jisepo, Ilwoonmyon, Geoje city, Gyeongnam province, Korea. Typical symptoms of dark brown to black spot appeared on the leaves, twigs, and stems. Infected young trees were wilted, blighted and died eventually. The pathogen isolated from the typical symptom formed gray to dark gray colony on potato dextrose agar and showed optimum growth at 30oC. Conidia were single celled, colorless, cylindrical with obtuse ends, and 9~22×3~6 μm in size. Appressoria were dark brown, ovate to obovate, and 6~18×4~10 μm in size. Perithecia were black and globose in shape and 76~274 μm in size. Asci were clavate to cylindrical in shape and 42~76×8~12 μm in size. Ascospores were cylindrical, fusiform, slightly curved at the center, and 10~23×4~6 μm in size. On the basis of mycological characteristics and pathogenicity test on E. globulus, the pathogen was identified as Glomerella cingulata. This is the first report of the anthracnose on E. globulus caused by G. cingulata in Korea.
Key Words: Anthracnose, Eucalyptus globulus, Glomerella cingulata

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