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http://dx.doi.org/10.5423/RPD.2009.15.2.088

Pathogenicity and Occurrence of Pepper Seedling Anthracnose Caused by Colletotrichum acutatum  

Han, Kyung-Sook (National Institute of Horticultural & Herbal Science, RDA)
Park, Jong-Han (National Institute of Horticultural & Herbal Science, RDA)
Han, You-Kyoung (National Institute of Horticultural & Herbal Science, RDA)
Hwang, Jung-Hwan (National Institute of Horticultural & Herbal Science, RDA)
Publication Information
Research in Plant Disease / v.15, no.2, 2009 , pp. 88-93 More about this Journal
Abstract
In 2008, leaf rot and blight on pepper seeding ("Dokya-chungchung") occurred in a pepper farm at Hwaseong-si, Gyeonggi-do, Korea. The typical symptom is water-soaking and dark brown leaf blight at edges and tips of leaves. The fungal colonies isolated from infected tissues were pinkish at first and turned gradually to gray. Conidia were fusiform, non-septum, and $8.1-17.0{\times}2.0-3.8{\mu}m$ in size. Several specific PCR primers derived from the sequence of the internal transcribed spacer (ITS) region of the rDNA, such as CaINT, CgINT and CcINT were used for the identification of the fungal pathogen. The C. acutatum-specific primer CaINT was amplified single fragment of 496 bp that discriminated C. acutatum from the other species. The pathogenicity test was performed on seedlings and fruits of red pepper. On the basis of the morphological, molecular characteristics and pathogenicity test, we identified as Colletotrichum acutatum. This is the first report on leaf rot and blight on pepper seedling caused by C. acutatum in Korea.
Keywords
Anthracnose; Colletotrichum acutatum; Pepper; Seedling;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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