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In order to investigate an etiological characteristics of the pepper anthracnose fungus infected with Collectotrichum dematium, this experiment was undertaken. Isolation percent of the fungus was 55.3% from the seed sample of Jewon and 0.3% from that of Eumsung Kun, according to seed health blotter ...

In order to investigate an etiological characteristics of the pepper anthracnose fungus infected with Collectotrichum dematium, this experiment was undertaken. Isolation percent of the fungus was 55.3% from the seed sample of Jewon and 0.3% from that of Eumsung Kun, according to seed health blotter method. Although the acervulus was similar to the known two Colletotricum species, C. acutatum and C. gloeosporioides, setae was not only straightly extended above the acervulus, but also shaped as falcate conidia ranging $12{\sim}31.2{\times}2.4{\sim}4.8{\mu}m$. Acervului of the fungus were evenly scattered on the surface of pepper seed coat, and caused seedling blight after seed germination. Pre-and post-emergence seedling blight as well as foliar lesion and fruit rot was confirmed by inoculating conidial suspension. No typical anthracnose sysmptom was obtained from soybean seedlings, welsch onion and spinach seedlings upon inoculation. Therefore, this fungus is said to the undescribed form species of the fungus of pepper in Korea (Colletotricum dematium f. sp. capsicum).

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