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- W2000668154 abstract "고추 유묘의 신초가 말라죽고 잎에 수침상점무의 증상으로부터 병원균을 분리하여 균총의 색깔과 형태, 포자의 모양과 크기를 관찰한 결과 균총의 색깔은 처음에는 핑크색 띄나 차츰 회색으로 변하였고, 분생포자는 방추형으로 크기가 <TEX>$8.1-17.0{times}2.0-3.8{mu}m$</TEX>이며 생장최적온도 <TEX>$25-27^{circ}C$</TEX>이다. 종 특이적 프라이머를 이용하여 고추 유묘에서 분리한 균을 동정한 결과 C. acutatum에 특이적인 프라이머인 CaINT에서만 496 bp의 증폭산물을 얻었다. 이들 결과를 바탕으로 유묘에서 분리한 균은 Collectotrichum acutatum으로 동정하였다. 고추 유묘에서 분리한 균주를 고추묘 생육단계별로 병원성 검정한 결과 유묘 뿐 아니라 식물체 전 생육기에 잎 탄저병 증상을 나타내었으며 또한 고추 열매에서도 강한 병원성을 나타내었다. 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 <TEX>$8.1-17.0{times}2.0-3.8{mu}m$</TEX> 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." @default.
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- W2000668154 date "2009-08-01" @default.
- W2000668154 modified "2023-10-18" @default.
- W2000668154 title "Pathogenicity and Occurrence of Pepper Seedling Anthracnose Caused by Colletotrichum acutatum" @default.
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- W2000668154 doi "https://doi.org/10.5423/rpd.2009.15.2.088" @default.
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