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Paraphoma garibaldii sp. nov. causing leaf spot disease of Campanula rapunculoides in Italy.

ABSTRACT: Leaf and stem spots are among the most important diseases compromising ornamental plants worldwide. In this study, Paraphoma garibaldii sp. nov. is described from leaf lesions on Campanula rapunculoides in Piedmont, Northern Italy. The new species was characterised using a polyphasic approach including morphological characterisation and a multilocus molecular phylogenetic analysis based on partial nucleotide sequences of the translation elongation factor 1-α (tef1), the internal transcribed spacers (ITS) region and the β-tubulin (tub2) markers. Pathogenicity tests and the fulfilment of Koch's postulates confirm P. garibaldii as a novel foliar pathogen of Campanula rapunculoides. Presently, the fungal infection due to Paraphoma garibaldii is known from a single location in Italy, and further surveys are required to determine its distribution and relative importance. Citation: Guarnaccia V, Martino I, Tabone G, Crous PW, Gullino ML (2022). Paraphoma garibaldii sp. nov. causing leaf spot disease of Campanula rapunculoides in Italy. Fungal Systematics and Evolution 9: 19-26. doi: 10.3114/fuse.2022.09.03.

SUBMITTER: Guarnaccia V 

PROVIDER: S-EPMC9355101 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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<i>Paraphoma</i> <i>garibaldii</i> <i>sp. nov</i>. causing leaf spot disease of <i>Campanula rapunculoides</i> in Italy.

Guarnaccia V V   Martino I I   Tabone G G   Crous P W PW   Gullino M L ML  

Fungal systematics and evolution 20220128

Leaf and stem spots are among the most important diseases compromising ornamental plants worldwide. In this study, <i>Paraphoma garibaldii</i> <i>sp. nov</i>. is described from leaf lesions on <i>Campanula rapunculoides</i> in Piedmont, Northern Italy. The new species was characterised using a polyphasic approach including morphological characterisation and a multilocus molecular phylogenetic analysis based on partial nucleotide sequences of the translation elongation factor 1-α (<i>tef1</i>), t  ...[more]

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