Colletotrichum atractylodicola sp. nov.: the anthracnose pathogen of Atractylodes chinensis in China

Abstract

A new anthracnose disease of Atractylodes chinensis was observed in Liaoning province in China. The causal agent was isolated from diseased leaves. Based on morphology and ITS sequence data, it was identified as a Colletotrichum species belonging to the C. destructivum species complex. A multi-locus DNA sequence analysis (ITS, GAPDH, CHS-1, ACT, TUB2) revealed that the fungus represents a new species that is described here as C. atractylodicola sp. nov. Pathogenicity tests confirmed that the isolated species is the causal agent of the observed anthracnose symptoms on A. chinensis leaves.

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