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Citation for Study 21455

About Citation title: "Anthracnose Disease of Carpetgrass (Axonopus compressus) caused by the novel fungal species Colletotrichum hainanense sp. nov.".
About Study name: "Anthracnose Disease of Carpetgrass (Axonopus compressus) caused by the novel fungal species Colletotrichum hainanense sp. nov.".
About This study is part of submission 21455 (Status: Published).

Citation

Zhang W., Liu J., Huo P., & Zhang X. 2018. Anthracnose Disease of Carpetgrass (Axonopus compressus) caused by the novel fungal species Colletotrichum hainanense sp. nov. Plant Disease, .

Authors

  • Zhang W. (submitter) Phone 1389362509
  • Liu J.
  • Huo P.
  • Zhang X.

Abstract

Carpetgrass (Axonopus compressus) is a creeping, stoloniferous, perennial warm-season grass that is adapted to humid tropical and subtropical climates. Recently, outbreaks of anthracnose disease in A. compressus have been observed in Hainan and Guangdong provinces in southern China. During late winter and early spring, in some badly infected lawns, the incidence of anthracnose on carpetgrass approached 100%. Under high-moisture conditions, the crowns and oldest leaf sheaths of affected carpetgrass become necrotic, which led to whole lawns turning reddish brown. We first confirmed pathogenicity by inoculating a conidial suspension of the fungal species onto uninfected A. compressus. Next, we performed a phylogenetic analysis based on the combined ITS, Sod2, Apn2, and Apn2/Mat1 regions and confirmed the pathogen to be a novel species in the falcate-spored graminicolous group of the genus Colletotrichum. Microscopic examination showed that the species was also morphologically distinct from other similar species of Colletotrichum. As a result of the molecular, phylogenetic, morphological, and pathogenicity analyses, we proposed the name Colletotrichum hainanense sp. nov for this undescribed fungal pathogen in this study.

Keywords

Axonopus compressus; multi-gene phylogeny; pathogenic fungi; Colletotrichum hananense

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S21455
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