Research in Plant Disease 2007;13(2):119-121.
Published online August 30, 2007.
Colletotrichum acutatum에 의한 배암차즈기 탄저병
권진혁, 남명현, 박창석
 
Anthracnose of Salvia plebeia Caused by Colletotrichum acutatum in Korea
Jin Hyeuk Kwon, Myeong Hyeon Nam, Chang Seuk Park
Abstract
Anthracnose of Salvia plebeia caused by Colletotrichum acutatum was observed in the exhibition field of Hamyang-gun, Gyeongsangnam-do Agricultural Research and Extension Services, in Korea. The disease mainly occurred on the leaves, petioles and stems of whole plant. The typical symptoms were water-soaked lesions on stems and petioles, rotted stems and withering then eventually died. The color of colonies of the pathogenic fungus grown on potato dextrose agar was pinkish gray. Conidia were fusiform in shape and was 8~17 × 3~4 μm in size. Appressoria were pale to dark brown in color, clavate in shape and the sizes were 8~11 × 4~6 μm. Optimum temperature for mycelial growth was 25oC. On the basis of mycological characteristics and pathogenicity test on host plants, the fungus was identified as Colletotrichum acutatum J. H. Simmonds. This is the first report on the anthracnose of S. plebeia caused by C. acutatum in Korea.
Key Words: Anthracnose, Colletotrichum acutatum, Salvia plebeia


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