Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates
Recently, a new plant disease was detected in the rural area of the High Valley of Río Negro, in Northern Patagonia, Argentina, called “Brown Spot of Pear” (BSP), caused by Stemphylium vesicarium (teleomorph: Pleospora herbarum, syn. Pantoea allii) in its sexual and asexual stages which produces les...
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| Format: | Artículo |
| Language: | Inglés |
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Springer
2022
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| Online Access: | http://hdl.handle.net/20.500.12123/11553 https://link.springer.com/article/10.1007/s10658-022-02493-y https://doi.org/10.1007/s10658-022-02493-y |
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| author | Temperini, Carolina Virginia Tudela, Marisa Andrea Alumine Gimenez, Gustavo Nestor Di Masi, Susana Noemi Pardo, Alejandro Guillermo Pose, Graciela Noemí |
| author_browse | Di Masi, Susana Noemi Gimenez, Gustavo Nestor Pardo, Alejandro Guillermo Pose, Graciela Noemí Temperini, Carolina Virginia Tudela, Marisa Andrea Alumine |
| author_facet | Temperini, Carolina Virginia Tudela, Marisa Andrea Alumine Gimenez, Gustavo Nestor Di Masi, Susana Noemi Pardo, Alejandro Guillermo Pose, Graciela Noemí |
| author_sort | Temperini, Carolina Virginia |
| collection | INTA Digital |
| description | Recently, a new plant disease was detected in the rural area of the High Valley of Río Negro, in Northern Patagonia, Argentina, called “Brown Spot of Pear” (BSP), caused by Stemphylium vesicarium (teleomorph: Pleospora herbarum, syn. Pantoea allii) in its sexual and asexual stages which produces lesions on leaves and fruits. BSP has been reported previously in pear growing areas of Europe and Japan where research studies have assessed the production of two host-specific toxins (HSTs) in culture filtrates of S. vesicarium (SV-I and SV-II toxin). The purpose of the present study was to characterize Stemphylium isolates from air and from brown spot lesions on pear leaves and fruits grown in this rural area, at a morphological, molecular and pathogenic level. The pathogen’s identity was determined as S. vesicarium and its aggressiveness and toxicity were demonstrated through conidia and culture filtrate bioassays showing different degrees of pathogenicity. D’Anjou and Abate Fetel were the most susceptible pear cultivars to S. vesicarium isolates. |
| format | Artículo |
| id | INTA11553 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | INTA115532022-04-04T20:24:02Z Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates Temperini, Carolina Virginia Tudela, Marisa Andrea Alumine Gimenez, Gustavo Nestor Di Masi, Susana Noemi Pardo, Alejandro Guillermo Pose, Graciela Noemí Pera Enfermedades de las Plantas Manchas Stemphylium vesicarium Argentina Identificación Pears Plant Diseases Spots Identification Recently, a new plant disease was detected in the rural area of the High Valley of Río Negro, in Northern Patagonia, Argentina, called “Brown Spot of Pear” (BSP), caused by Stemphylium vesicarium (teleomorph: Pleospora herbarum, syn. Pantoea allii) in its sexual and asexual stages which produces lesions on leaves and fruits. BSP has been reported previously in pear growing areas of Europe and Japan where research studies have assessed the production of two host-specific toxins (HSTs) in culture filtrates of S. vesicarium (SV-I and SV-II toxin). The purpose of the present study was to characterize Stemphylium isolates from air and from brown spot lesions on pear leaves and fruits grown in this rural area, at a morphological, molecular and pathogenic level. The pathogen’s identity was determined as S. vesicarium and its aggressiveness and toxicity were demonstrated through conidia and culture filtrate bioassays showing different degrees of pathogenicity. D’Anjou and Abate Fetel were the most susceptible pear cultivars to S. vesicarium isolates. EEA Alto Valle Fil: Temperini, Carolina Virginia. Universidad Nacional de Río Negro. Centro de Investigaciones y Transferencia de Río Negro; Argentina Fil: Temperini, Carolina Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Tudela, Marisa Andrea Alumine. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina Fil: Tudela, Marisa Andrea Alumine. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Gimenez, Gustavo Nestor. Universidad Nacional del Comahue. Facultad de Economía y Administración. Departamento de Estadística; Argentina Fil: Di Masi, Susana Noemi. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina Fil: Pardo, Alejandro Guillermo. Universidad Nacional de Quilmes. Departamento de Ciencia y Tecnología. Laboratorio de Micología Molecular; Argentina Fil: Pardo, Alejandro Guillermo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Pose, Graciela Noemí. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Pose, Graciela Noemí. Universidad Nacional de Quilmes. Departamento de Ciencia y Tecnología. Laboratorio de Micología Molecular; Argentina. Fil: Pose, Graciela Noemí. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto Tecnológico de Chascomús; Argentina Fil: Pose, Graciela Noemí. Universidad Nacional de San Martín. Instituto Tecnológico de Chascomús; Argentina 2022-04-04T20:21:36Z 2022-04-04T20:21:36Z 2022-03 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/11553 https://link.springer.com/article/10.1007/s10658-022-02493-y 0929-1873 1573-8469 https://doi.org/10.1007/s10658-022-02493-y eng info:eu-repo/semantics/restrictedAccess application/pdf Springer European Journal of Plant Pathology (Published: 16 March 2022) |
| spellingShingle | Pera Enfermedades de las Plantas Manchas Stemphylium vesicarium Argentina Identificación Pears Plant Diseases Spots Identification Temperini, Carolina Virginia Tudela, Marisa Andrea Alumine Gimenez, Gustavo Nestor Di Masi, Susana Noemi Pardo, Alejandro Guillermo Pose, Graciela Noemí Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates |
| title | Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates |
| title_full | Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates |
| title_fullStr | Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates |
| title_full_unstemmed | Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates |
| title_short | Brown spot of pear, an emerging disease in Argentina: identification and pathogenicity characterization of Argentinean Stemphylium vesicarium isolates |
| title_sort | brown spot of pear an emerging disease in argentina identification and pathogenicity characterization of argentinean stemphylium vesicarium isolates |
| topic | Pera Enfermedades de las Plantas Manchas Stemphylium vesicarium Argentina Identificación Pears Plant Diseases Spots Identification |
| url | http://hdl.handle.net/20.500.12123/11553 https://link.springer.com/article/10.1007/s10658-022-02493-y https://doi.org/10.1007/s10658-022-02493-y |
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