Abstract

The genus Colletotrichum is considered the eighth most important group of plant-pathogenic fungi in the world due to its scientific and economic importance. Colletotrichum spp. cause anthracnose disease in a wide range of economically important plants. Euonymus japonicus Thunb. (Celastraceae) is a broad-leaved evergreen tree that is widely planted in the parks and landscapes of China. An anthracnose occurs on E. japonicus in China but there has been a disagreement on the identity of the fungal pathogen. In this study, the fungal isolate HYCG2-3 was determined by Koch's postulates to be a pathogen on E. japonicus. Based on the morphological and molecular methods, isolate HYCG2-3 was identified as Colletotrichum gloeosporioides sensu stricto within the C. gloeosporioides species complex.

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