What question did this study set out to answer?

To identify the causal agent of anthracnose symptoms observed on Magnolia liliiflora in China.

First Report of Colletotrichum gloeosporioides Causing Anthracnose on Magnolia liliiflora in China

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This report identifies Colletotrichum gloeosporioides as the cause of anthracnose on Magnolia liliiflora, indicating a new pathogen threat in China.

To identify the causal agent of anthracnose symptoms observed on Magnolia liliiflora in China.
Observed anthracnose-like symptoms on Magnolia liliiflora leaves.
Conducted morphological and molecular identification of the pathogen.
Used internal transcribed spacer (ITS), actin (ACT), calmodulin (CAL), chitin synthase (CHS), and β-tubulin (TUB2) gene regions for identification.
Confirmed pathogenicity via Koch's postulates.
Identified Colletotrichum gloeosporioides as the pathogen causing anthracnose.
Observed initial symptoms as small brown spots expanding to grey necrotic areas with dark-brown margins.
Established that this is the first report of C. gloeosporioides on M. liliiflora in China.

Pan et al. (2026) studied this question.

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This report identifies Colletotrichum gloeosporioides as the cause of anthracnose on Magnolia liliiflora, indicating a new pathogen threat in China.