Bottlebrush and Myrtle twig canker caused by Neopestalotiopsis species: an emerging canker-causing group of fungi in Italy.

Autor: Aiello D; Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia Vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy University of Catania Catania Italy., Gusella G; Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia Vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy University of Catania Catania Italy., Leonardi GR; Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia Vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy University of Catania Catania Italy., Polizzi G; Dipartimento di Agricoltura, Alimentazione e Ambiente, sez. Patologia Vegetale, University of Catania, Via S. Sofia 100, 95123 Catania, Italy University of Catania Catania Italy., Voglmayr H; Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria University of Vienna Vienna Austria.
Jazyk: angličtina
Zdroj: MycoKeys [MycoKeys] 2024 Jun 21; Vol. 106, pp. 133-151. Date of Electronic Publication: 2024 Jun 21 (Print Publication: 2024).
DOI: 10.3897/mycokeys.106.121520
Abstrakt: Pestalotioid fungi were isolated in pure culture from symptomatic plants of Callistemonlaevis , C.viminalis , Lumaapiculata (marketed as " Myrtusluma "), Myrtuscommunissubsp.tarentina, and M.communisvar.microphylla ( M.communis 'Microphylla'), showing twig canker, dieback and defoliation. The isolates were identified to species by ITS, tef1 and tub2 sequences, which revealed the presence of six species of Neopestalotiopsis ( N.camelliae-oleiferae , N.hispanica , N.iberica , N.rosae , N.rosicola , and N.zakeelii ) and one species of Pestalotiopsis ( P.biciliata ). While most species were isolated only once or twice, the majority of isolates belonged to N.rosae (13) and N.hispanica (8). Pathogenicity was investigated by pathogenicity tests on all hosts, which confirmed the pathogenicity of all Neopestalotiopsis species on at least some of the hosts tested, while P.biciliata did not cause any disease symptoms. Neopestalotiopsishispanica and N.rosae caused symptoms in all hosts of the present study, while the other Neopestalotiopsis species tested showed no symptoms on Lumaapiculata .
Competing Interests: The authors have declared that no competing interests exist.
(Dalia Aiello, Giorgio Gusella, Giuseppa Rosaria Leonardi, Giancarlo Polizzi, Hermann Voglmayr.)
Databáze: MEDLINE
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