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http://dx.doi.org/10.5423/RPD.2016.22.2.127

Anthracnose Caused by Colletotrichum acutatum in Robinia pseudoacacia  

Cheon, Wonsu (Department of Bioresource Sciences, Andong National University)
Jeon, Yongho (Department of Bioresource Sciences, Andong National University)
Publication Information
Research in Plant Disease / v.22, no.2, 2016 , pp. 127-131 More about this Journal
Abstract
During the year 2014, black locust (Robinia pseudoacacia L.) had been observed with dark brown spots on the leaves at Andong, Cheongsong, Mungyeong in Korea. Symptoms initially appeared as small, black lesions on the leaves, and sometimes, the leaves become yellow and ultimately leads to fall off the leaves. The pathogenic fungus grown in potato dextrose agar was white or sometime gray with mycelia in tufts and from which numerous conidia were produced. The conidia were straight and fusiform in shape and measured $8.3-17.2{\times}2.5-4.1{\mu}m$. Internal transcribed spacer (ITS) rRNA sequence analysis for sequence similarity of the ITS region revealed 100% identity with nucleotide sequences for Colletotrichum acutatum. The morphological characteristics, pathogenicity and molecular data have been confirmed that the symptomatic pathogen was C. acutatum. This is the first report of anthracnose caused by C. acutatum on black locust in Korea.
Keywords
Anthracnose; Colletotrichum acutatum; Robinia pseudoacacia;
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