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KMID : 1160220200480040321
Mycobiology
2020 Volume.48 No. 4 p.321 ~ p.325
Colletotrichum cymbidiicola Causing Anthracnose on Cymbidium Orchids in Korea
Park Mi-Jeong

Back Chang-Gi
Park Jong-Han
Abstract
A Colletotrichum species was isolated from leaves of Cymbidium exhibiting symptoms of anthracnose. In this study, the isolates obtained were identified based on recent taxonomic approaches for the genus Colletotrichum. The identity of the causal pathogen was confirmed using morphological data and phylogenetic analysis of combined multi-gene dataset (internal transcribed spacer, glyceraldehyde 3-phosphate dehydrogenase, chitin synthase-1, actin, histone3, beta-tubulin, and calmodulin). Pathogenicity testing revealed that the isolates were pathogenic to Cymbidium. Based on these results, the fungal pathogen occurring on Cymbidium orchids was identified as Colletotrichum cymbidiicola, which is a newly recorded species in Korea.
KEYWORD
Anthracnose, Colletotrichum cymbidiicola, Cymbidium
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