Efficacy of fungicides against brown spot of pear in Argentina
Brown spot of pear (BSP), a fungal disease of importance in Europe, has been recently detected for the first time in pear orchards in the Alto Valle of Río Negro (Patagonia), Argentina, South America. The disease is caused by Stemphylium vesicarium and its main symptoms are lesions in fruits and l...
| Autores principales: | , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
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Elsevier
2023
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/15799 https://www.sciencedirect.com/science/article/abs/pii/S026121942300248X https://doi.org/10.1016/j.cropro.2023.106425 |
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| author | Tudela, Marisa Andrea Aluminé Lutz, María Cecilia Giménez, Gustavo Nestor Del Brio, Dolores Di Masi, Susana Noemi Pose, Gabriela Noemí Edwards Molina, Juan Pablo |
| author_browse | Del Brio, Dolores Di Masi, Susana Noemi Edwards Molina, Juan Pablo Giménez, Gustavo Nestor Lutz, María Cecilia Pose, Gabriela Noemí Tudela, Marisa Andrea Aluminé |
| author_facet | Tudela, Marisa Andrea Aluminé Lutz, María Cecilia Giménez, Gustavo Nestor Del Brio, Dolores Di Masi, Susana Noemi Pose, Gabriela Noemí Edwards Molina, Juan Pablo |
| author_sort | Tudela, Marisa Andrea Aluminé |
| collection | INTA Digital |
| description | Brown spot of pear (BSP), a fungal disease of importance in Europe, has been recently detected for the first time in pear orchards in the Alto Valle of Río Negro (Patagonia), Argentina, South America. The disease is caused by Stemphylium vesicarium and its main symptoms are lesions in fruits and leaves. To assess counteracting measures against BSP, we tested the efficacy of fungicides by means of in vitro assessment of mycelial growth and spore germination of native S. vesicarium strains, and in vivo preventive and curative treatments in pear fruit ’D’Anjou’ var. The fungicides were chosen according to their commercial availability and registration in pear crops and included: pyraclostrobin + boscalid (Bellis®); ziram (Ziram®); captan (Merpan®); and Melaleuca alternifolia extract (Timorex®). In addition, the efficacy of Bellis® and Ziram® was determined through in-field assays. Bellis® presented the lowest EC50 values in germination and mycelial growth tests. Ziram® and Merpan® were also very effective in inhibiting germination. Timorex® did not achieve satisfactory effectiveness in in vitro trials, nor in bioassays after preventive and curative treatments. Bioassay results showed that preventive mea sures using Bellis®, Ziram®, or Merpan® were effective in reducing disease severity and suggested that BSP could be controlled by adequate selection of spraying time. |
| format | info:ar-repo/semantics/artículo |
| id | INTA15799 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2023 |
| publishDateRange | 2023 |
| publishDateSort | 2023 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA157992023-11-02T11:17:23Z Efficacy of fungicides against brown spot of pear in Argentina Tudela, Marisa Andrea Aluminé Lutz, María Cecilia Giménez, Gustavo Nestor Del Brio, Dolores Di Masi, Susana Noemi Pose, Gabriela Noemí Edwards Molina, Juan Pablo Stemphylium Vesicarium Enfermedades Fungosas Enfermedades de las Plantas Control de Enfermedades de Plantas Control Químico Sanidad Vegetal Fitopatología Río Negro (Argentina) Argentina Fungal Diseases Plant Diseases Plant Disease Control Chemical Control In Vitro Plant Health Plant Pathology Brown Spot of Pear Mancha Marrón del Peral Alto Valle, Río Negro Brown spot of pear (BSP), a fungal disease of importance in Europe, has been recently detected for the first time in pear orchards in the Alto Valle of Río Negro (Patagonia), Argentina, South America. The disease is caused by Stemphylium vesicarium and its main symptoms are lesions in fruits and leaves. To assess counteracting measures against BSP, we tested the efficacy of fungicides by means of in vitro assessment of mycelial growth and spore germination of native S. vesicarium strains, and in vivo preventive and curative treatments in pear fruit ’D’Anjou’ var. The fungicides were chosen according to their commercial availability and registration in pear crops and included: pyraclostrobin + boscalid (Bellis®); ziram (Ziram®); captan (Merpan®); and Melaleuca alternifolia extract (Timorex®). In addition, the efficacy of Bellis® and Ziram® was determined through in-field assays. Bellis® presented the lowest EC50 values in germination and mycelial growth tests. Ziram® and Merpan® were also very effective in inhibiting germination. Timorex® did not achieve satisfactory effectiveness in in vitro trials, nor in bioassays after preventive and curative treatments. Bioassay results showed that preventive mea sures using Bellis®, Ziram®, or Merpan® were effective in reducing disease severity and suggested that BSP could be controlled by adequate selection of spraying time. EEA Alto Valle Fil: Tudela, Marisa Andrea Alumine. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina Fil: Lutz, María Cecilia . Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Comahue. Facultad de Ciencias Agrarias; Argentina Fil: Giménez, Gustavo Nestor . Universidad Nacional del Comahue. Facultad de Economía y Administración; Argentina Fil: Del Brío, Dolores. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina Fil: Di Masi, Susana Noemí. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina Fil: Pose, Gabriela Noemí. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Quilmes. Departamento de Ciencia y Tecnología. Laboratorio de Micología y Cultivo de Hongos Comestibles y Medicinales, INTECH, CONICET-UNSAM; Argentina Fil: Edwards Molina, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina 2023-11-02T11:06:27Z 2023-11-02T11:06:27Z 2023-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/15799 https://www.sciencedirect.com/science/article/abs/pii/S026121942300248X 0261-2194 https://doi.org/10.1016/j.cropro.2023.106425 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Crop Protection 174 : 106425 (December 2023) |
| spellingShingle | Stemphylium Vesicarium Enfermedades Fungosas Enfermedades de las Plantas Control de Enfermedades de Plantas Control Químico Sanidad Vegetal Fitopatología Río Negro (Argentina) Argentina Fungal Diseases Plant Diseases Plant Disease Control Chemical Control In Vitro Plant Health Plant Pathology Brown Spot of Pear Mancha Marrón del Peral Alto Valle, Río Negro Tudela, Marisa Andrea Aluminé Lutz, María Cecilia Giménez, Gustavo Nestor Del Brio, Dolores Di Masi, Susana Noemi Pose, Gabriela Noemí Edwards Molina, Juan Pablo Efficacy of fungicides against brown spot of pear in Argentina |
| title | Efficacy of fungicides against brown spot of pear in Argentina |
| title_full | Efficacy of fungicides against brown spot of pear in Argentina |
| title_fullStr | Efficacy of fungicides against brown spot of pear in Argentina |
| title_full_unstemmed | Efficacy of fungicides against brown spot of pear in Argentina |
| title_short | Efficacy of fungicides against brown spot of pear in Argentina |
| title_sort | efficacy of fungicides against brown spot of pear in argentina |
| topic | Stemphylium Vesicarium Enfermedades Fungosas Enfermedades de las Plantas Control de Enfermedades de Plantas Control Químico Sanidad Vegetal Fitopatología Río Negro (Argentina) Argentina Fungal Diseases Plant Diseases Plant Disease Control Chemical Control In Vitro Plant Health Plant Pathology Brown Spot of Pear Mancha Marrón del Peral Alto Valle, Río Negro |
| url | http://hdl.handle.net/20.500.12123/15799 https://www.sciencedirect.com/science/article/abs/pii/S026121942300248X https://doi.org/10.1016/j.cropro.2023.106425 |
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