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Resumen
The walnut industry in Argentina has grown in recent years, especially in northern Patagonia. However, this expansion has also brought new challenges, including the emergence of diseases threatening the health and productivity of walnut plantations. One of the most important diseases affecting walnut crops worldwide is ‘ink disease’ or ‘walnut dieback'. The aim of this study was to characterize ink disease, identify the aetiological agents, and estimate
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dc.contributor.author | Marfetan, Jorge Ariel | |
dc.contributor.author | Fernandez, Diana | |
dc.contributor.author | Gallo, Ana Laura | |
dc.contributor.author | Vélez, María Laura | |
dc.date.accessioned | 2024-06-10T10:01:06Z | |
dc.date.available | 2024-06-10T10:01:06Z | |
dc.date.issued | 2024-05 | |
dc.identifier.issn | 1365-3059 (Online) | |
dc.identifier.other | https://doi.org/10.1111/ppa.13922 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/18084 | |
dc.identifier.uri | https://bsppjournals.onlinelibrary.wiley.com/doi/10.1111/ppa.13922 | |
dc.description.abstract | The walnut industry in Argentina has grown in recent years, especially in northern Patagonia. However, this expansion has also brought new challenges, including the emergence of diseases threatening the health and productivity of walnut plantations. One of the most important diseases affecting walnut crops worldwide is ‘ink disease’ or ‘walnut dieback'. The aim of this study was to characterize ink disease, identify the aetiological agents, and estimate its incidence in walnut orchards of northern Patagonia, Argentina. Symptomatic trees were observed in the seven surveyed wal nut orchards, showing a range of symptoms, including chlorosis and wilting, stem cankers and desiccation. In vivo assay and molecular analyses revealed that not only Phytophthora (P.) but also Phytopythium (Ph.) species are the causal agents of the dis ease, with P. drechsleri, Ph. mercuriale and Ph. vexans being the most virulent over the commonly used rootstock Juglans hindsii. Notably, Ph. vexans was the most fre quently isolated pathogen, suggesting its prevalence and potential impact on the re gional walnut industry. Overall, this study provides critical insights into the prevalence and impact of Phytophthora and Phytopythium species on walnut health in northern Patagonia. The presence of multiple pathogenic oomycete species raises concerns about the health of walnut orchards, as well as the potential risk of pathogen trans mission to other fruit crops in the region. The findings will help growers to develop better cultural practices and implement measures to guarantee the sustainability of the walnut industry in Patagonia. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Wiley | |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | es_AR |
dc.source | Plant Pathology 73 (5) : 1-13 (June 2024) | es_AR |
dc.subject | Plant Diseases | eng |
dc.subject | Enfermedades de las Plantas | es_AR |
dc.subject | Walnuts | eng |
dc.subject | Nuez | es_AR |
dc.subject | Juglans regia | es_AR |
dc.subject | Phytophthora | eng |
dc.subject | Phylogeny | eng |
dc.subject | Filogenia | es_AR |
dc.subject | Rootstocks | eng |
dc.subject | Portainjertos | es_AR |
dc.subject | Argentina | es_AR |
dc.subject.other | Ink Disease | eng |
dc.subject.other | Enfermedad de la Tinta | es_AR |
dc.subject.other | Plant Pathogens | eng |
dc.subject.other | Patógenos Vegetales | es_AR |
dc.subject.other | Phytopythium | es_AR |
dc.subject.other | Juglans hindsii | es_AR |
dc.subject.other | Región Patagónica | es_AR |
dc.title | Phytophthora and Phytopythium species associated with walnut dieback in plantations of northern Patagonia, Argentina | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | es_AR |
dc.description.origen | EEA Alto Valle | es_AR |
dc.description.fil | Fil: Marfetan, Jorge Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación y Extensión Forestal Andino Patagónico (CIEFAP); Argentina | es_AR |
dc.description.fil | Fil: Fernández, Diana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle. Agencia de Extensión Rural Valle Medio; Argentina | es_AR |
dc.description.fil | Fil: Gallo, Ana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación y Extensión Forestal Andino Patagónico (CIEFAP); Argentina. Agencia Nacional de Promoción de la Investigación, el Desarrollo Tecnológico y la Innovación (Agencia I+D+I); Argentina. Universidad Nacional de la Patagonia San Juan Bosco; Argentina | es_AR |
dc.description.fil | Fil: Vélez, María laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación y Extensión Forestal Andino Patagónico (CIEFAP); Argentina. Universidad Nacional de la Patagonia San Juan Bosco; Argentina | es_AR |
dc.subtype | cientifico |
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