Abstract
During a four-year project conducted to identify fungal species associated with grapevine trunk diseases (GTDs) in Hungarian vineyards, two non-sporulating strains isolated from vines exhibiting typical GTD symptoms were identified as Dothiorella omnivora based on their nrDNA ITS and EF1-α sequences. Conidial production of these strains was induced on pine needle medium where production of spermatia has also been observed. Pathogenicity tests confirmed their virulence on potted vines. Dothiorella omnivora is a recently described species of the Botryosphaeriaceae, known to infect hazelnut, ash, walnut, and other woody hosts. This is the first European record of D. omniovora from vines exhibiting GTD symptoms.
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Acknowledgements
This work was funded by the Széchenyi 2020 programme, the European Regional Development Fund and the Hungarian Government (GINOP-2.3.2-15-2016-00061). COST Action FA1303 and EU H2020 project no. 652601 have also supported this study.
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Váczy, K.Z., Németh, M.Z., Csikós, A. et al. Dothiorella omnivora isolated from grapevine with trunk disease symptoms in Hungary. Eur J Plant Pathol 150, 817–824 (2018). https://doi.org/10.1007/s10658-017-1323-5
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DOI: https://doi.org/10.1007/s10658-017-1323-5