New species of Diaporthe (Diaporthaceae, Diaporthales) from Bauhinia variegata in China

Authors: Zhu, Ya-Quan Country: People's Republic of China DOI: 10.3897/mycokeys.108.128983 Published: Jan. 1, 2024 Source: MycoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Diaporthales · Topics: Plant Pathogens and Fungal Diseases, Phytochemistry and Biological Activities, Essential Oils and Antimicrobial Activity

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Diaporthe species are known as endophytes, saprobes and pathogens infecting a wide range of plants and resulting in important crop diseases. In the present study, four strains of Diaporthe were obtained from diseased leaves of Bauhinia variegata in Guangdong Province, China. Phylogenetic analyses were conducted to identify these strains using five gene regions: internal transcribed spacer (ITS), calmodulin (cal), histone H3 (his3), translation elongation factor 1-α (tef1) and β-tubulin (tub2). The results combined with morphology revealed two new species of Diaporthe named D. bauhiniicola in D. arecae species complex and D. guangzhouensis in D. sojae species complex.

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