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http://dx.doi.org/10.5423/RPD.2007.13.2.119

Anthracnose of Salvia plebeia Caused by Colletotrichum acutatum in Korea  

Kwon, Jin-Hyeuk (Gyeongsangnam-do Agricultural Research and Extension Services)
Nam, Myeong-Hyeon (Nonsan Strawberry Experiment Station, Chungcheongnam-do Agricultural Research and Extension Services)
Park, Chang-Seuk (College of Agriculture and Life Sciences, Gyeongsang National University)
Publication Information
Research in Plant Disease / v.13, no.2, 2007 , pp. 119-121 More about this Journal
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 $8{\sim}17{\times}3{\sim}4\;{\mu}m$ in size. Appressoria were pale to dark brown in color, clavate in shape and the sizes were $8{\sim}11{\times}4{\sim}6\;{\mu}m$. Optimum temperature for mycelial growth was $25^{\circ}C$. 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.
Keywords
Anthracnose; Colletotrichum acutatum; Salvia plebeia;
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