Research in Plant Disease 2005;11(2):93-97.
Published online December 30, 2005.
벼 이삭마름병에 관여하는 진균의 검출
심홍식, 홍성기, 홍성준, 김용기, 예완해, 성재모
Detection of Fungi Associated with Rice Ear Blight from Rice Seeds in Korea
Hong Sik Shim, Sung Gi Hong, Sung Jun Hong, Yong Ki Kim, Wan Hae Ye, Jae Mo Sung
In order to detect casual agents associated with ear blight of rice, seed samples of ``Ilmi-byeo`` and ``Daesanbyeo``, susceptible cultivars were collected from 28 regions on a nationwide scale. Finally 23 fungi including Bipolaris oryzae (10.3%), Alternaria alternata (10.2%), Cladosporium sp. (7.5%), Nigrospora oryzae (5.2%) and Phoma sorghina (6.3%) from seeds of ``Ilmi-byeo``, and 13 fungi including N. oryzae (15.1%), A. alternata(9.6%) and Curvularia lunata (2.2%) from seeds of ``Daesan-byeo`` were detected. In case of discolored seeds caused by rice ear blight, B. oryzae (15.5%), A. alternata (5.5%), Fusarium graminearum (8.0%), N. oryzae (5.2%) and P. sorghina (4.5%) were detected even from the hulled rice of Ilmi-byeo.
Key Words: Discoloration, Rice ear blight, Rice quality

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