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Publikationstyp: Beitrag in wissenschaftlicher Zeitschrift
Art der Begutachtung: Peer review (Publikation)
Titel: Xanthomonas arboricola pv. juglandis and pv. corylina: Brothers or distant relatives? : genetic clues, epidemiology, and insights for disease management
Autor/-in: Kałużna, Monika
Fischer‐Le Saux, Marion
Pothier, Joël
Jacques, Marie‐Agnès
Obradović, Aleksa
Tavares, Fernando
Stefani, Emilio
et. al: No
DOI: 10.1111/mpp.13073
10.21256/zhaw-22796
Erschienen in: Molecular Plant Pathology
Band(Heft): 22
Heft: 12
Seite(n): 1481
Seiten bis: 1499
Erscheinungsdatum: 22-Jun-2021
Verlag / Hrsg. Institution: Wiley
ISSN: 1464-6722
1364-3703
Sprache: Englisch
Schlagwörter: Xanthomonas arboricola; Bacterial blight; Hazelnut; Walnut
Fachgebiet (DDC): 579: Mikrobiologie
Zusammenfassung: Background: The species Xanthomonas arboricola comprises up to nine pathovars, two of which affect nut crops: pv. juglandis, the causal agent of walnut bacterial blight, brown apical necrosis, and the vertical oozing canker of Persian (English) walnut; and pv. corylina, the causal agent of the bacterial blight of hazelnut. Both pathovars share a complex population structure, represented by different clusters and several clades. Here we describe our current understanding of symptomatology, population dynamics, epidemiology, and disease control. Taxonomic status: Bacteria; Phylum Proteobacteria; Class Gammaproteobacteria; Order Lysobacterales (earlier synonym of Xanthomonadales); Family Lysobacteraceae (earlier synonym of Xanthomonadaceae); Genus Xanthomonas; Species X. arboricola; Pathovars: pv. juglandis and pv. corylina. Host range and symptoms: The host range of each pathovar is not limited to a single species, but each infects mainly one plant species: Juglans regia (X. arboricola pv. juglandis) and Corylus avellana (X. arboricola. pv. corylina). Walnut bacterial blight is characterized by lesions on leaves and fruits, and cankers on twigs, branches, and trunks; brown apical necrosis symptoms consist of apical necrosis originating at the stigmatic end of the fruit. A peculiar symptom, the vertical oozing canker developing along the trunk, is elicited by a particular genetic lineage of the bacterium. Symptoms of hazelnut bacterial blight are visible on leaves and fruits as necrotic lesions, and on woody parts as cankers. A remarkable difference is that affected walnuts drop abundantly, whereas hazelnuts with symptoms do not. Distribution: Bacterial blight of walnut has a worldwide distribution, wherever Persian (English) walnut is cultivated; the bacterial blight of hazelnut has a more limited distribution, although disease outbreaks are currently more frequently reported. X. arboricola pv. juglandis is regulated almost nowhere, whereas X. arboricola pv. corylina is regulated in most European and Mediterranean Plant Protection Organization (EPPO) countries. Epidemiology and control: For both pathogens infected nursery material is the main pathway for their introduction and spread into newly cultivated areas; additionally, infected nursery material is the source of primary inoculum. X. arboricola pv. juglandis is also disseminated through pollen. Disease control is achieved through the phytosanitary certification of nursery material (hazelnut), although approved certification schemes are not currently available. Once the disease is present in walnut/hazelnut groves, copper compounds are widely used, mostly in association with dithiocarbamates; where allowed, antibiotics (preferably kasugamycin) are sprayed. The emergence of strains highly resistant to copper currently represents the major threat for effective management of the bacterial blight of walnut.
URI: https://digitalcollection.zhaw.ch/handle/11475/22796
Volltext Version: Publizierte Version
Lizenz (gemäss Verlagsvertrag): CC BY-NC 4.0: Namensnennung - Nicht kommerziell 4.0 International
Departement: Life Sciences und Facility Management
Organisationseinheit: Institut für Umwelt und Natürliche Ressourcen (IUNR)
Publiziert im Rahmen des ZHAW-Projekts: Comparative genomics of the plant pathogen Xanthomonas arboricola pv. pruni and related xanthomonads
Enthalten in den Sammlungen:Publikationen Life Sciences und Facility Management

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Kałużna, M., Fischer‐Le Saux, M., Pothier, J., Jacques, M.-A., Obradović, A., Tavares, F., & Stefani, E. (2021). Xanthomonas arboricola pv. juglandis and pv. corylina: Brothers or distant relatives? : genetic clues, epidemiology, and insights for disease management. Molecular Plant Pathology, 22(12), 1481–1499. https://doi.org/10.1111/mpp.13073
Kałużna, M. et al. (2021) ‘Xanthomonas arboricola pv. juglandis and pv. corylina: Brothers or distant relatives? : genetic clues, epidemiology, and insights for disease management’, Molecular Plant Pathology, 22(12), pp. 1481–1499. Available at: https://doi.org/10.1111/mpp.13073.
M. Kałużna et al., “Xanthomonas arboricola pv. juglandis and pv. corylina: Brothers or distant relatives? : genetic clues, epidemiology, and insights for disease management,” Molecular Plant Pathology, vol. 22, no. 12, pp. 1481–1499, Jun. 2021, doi: 10.1111/mpp.13073.
KAŁUŻNA, Monika, Marion FISCHER‐LE SAUX, Joël POTHIER, Marie‐Agnès JACQUES, Aleksa OBRADOVIĆ, Fernando TAVARES und Emilio STEFANI, 2021. Xanthomonas arboricola pv. juglandis and pv. corylina: Brothers or distant relatives? : genetic clues, epidemiology, and insights for disease management. Molecular Plant Pathology. 22 Juni 2021. Bd. 22, Nr. 12, S. 1481–1499. DOI 10.1111/mpp.13073
Kałużna, Monika, Marion Fischer‐Le Saux, Joël Pothier, Marie‐Agnès Jacques, Aleksa Obradović, Fernando Tavares, and Emilio Stefani. 2021. “Xanthomonas Arboricola Pv. Juglandis and Pv. Corylina: Brothers or Distant Relatives? : Genetic Clues, Epidemiology, and Insights for Disease Management.” Molecular Plant Pathology 22 (12): 1481–99. https://doi.org/10.1111/mpp.13073.
Kałużna, Monika, et al. “Xanthomonas Arboricola Pv. Juglandis and Pv. Corylina: Brothers or Distant Relatives? : Genetic Clues, Epidemiology, and Insights for Disease Management.” Molecular Plant Pathology, vol. 22, no. 12, June 2021, pp. 1481–99, https://doi.org/10.1111/mpp.13073.


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