Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding
Sclerotinia head rot (SHR) is one of the most serious constraints to sunflower (Helianthus annuus L. var. macrocarpus) production worldwide. Here, we evaluated the response to SHR in a sunflower inbred panel from a large INTA germplasm collection, consisting of 137 inbred lines (ILs). Field trials w...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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The American Phytopathological Society
2018
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/3979 https://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-12-16-1784-RE https://doi.org/10.1094/PDIS-12-16-1784-RE |
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| author | Filippi, Carla Valeria Zubrzycki, Jeremias Enrique Di Rienzo, Julio A. Quiroz, Facundo Jose Fusari, Corina Mariana Alvarez, Daniel Maringolo, Carla Andrea Cordes, Diego Darío Escande, Alberto Hopp, Horacio Esteban Heinz, Ruth Amelia Lia, Veronica Viviana Paniego, Norma Beatriz |
| author_browse | Alvarez, Daniel Cordes, Diego Darío Di Rienzo, Julio A. Escande, Alberto Filippi, Carla Valeria Fusari, Corina Mariana Heinz, Ruth Amelia Hopp, Horacio Esteban Lia, Veronica Viviana Maringolo, Carla Andrea Paniego, Norma Beatriz Quiroz, Facundo Jose Zubrzycki, Jeremias Enrique |
| author_facet | Filippi, Carla Valeria Zubrzycki, Jeremias Enrique Di Rienzo, Julio A. Quiroz, Facundo Jose Fusari, Corina Mariana Alvarez, Daniel Maringolo, Carla Andrea Cordes, Diego Darío Escande, Alberto Hopp, Horacio Esteban Heinz, Ruth Amelia Lia, Veronica Viviana Paniego, Norma Beatriz |
| author_sort | Filippi, Carla Valeria |
| collection | INTA Digital |
| description | Sclerotinia head rot (SHR) is one of the most serious constraints to sunflower (Helianthus annuus L. var. macrocarpus) production worldwide. Here, we evaluated the response to SHR in a sunflower inbred panel from a large INTA germplasm collection, consisting of 137 inbred lines (ILs). Field trials were performed over five consecutive seasons using a twice-replicated randomized complete-block design. Disease incidence, disease severity, incubation period and area under disease progress curve for disease incidence and severity were determined after controlled inoculation with the pathogen. Statistical analysis using mixed-effect models detected significant differences among ILs for all variables (P<0.001). In addition, Principal Component Analysis (PCA) and distance based methods were used to classify the ILs according to their response to SHR, with ILs ALB2/5261 and 5383 emerging as the most resistant. Broad-sense heritability estimates ranged from 20.64% for disease severity to 10.58% for incubation period. The ample phenotypic variability of our collection, along with the moderate heritability estimates, highlight the importance of molecular breeding approaches to gain new insights into the genetic basis of sunflower resistance to SHR. The exhaustive phenotypic characterization presented here provides a reliable set of variables to comprehensively evaluate the disease and identifies two new sources of resistance to SHR. |
| format | info:ar-repo/semantics/artículo |
| id | INTA3979 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| publisher | The American Phytopathological Society |
| publisherStr | The American Phytopathological Society |
| record_format | dspace |
| spelling | INTA39792022-11-01T13:02:33Z Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding Filippi, Carla Valeria Zubrzycki, Jeremias Enrique Di Rienzo, Julio A. Quiroz, Facundo Jose Fusari, Corina Mariana Alvarez, Daniel Maringolo, Carla Andrea Cordes, Diego Darío Escande, Alberto Hopp, Horacio Esteban Heinz, Ruth Amelia Lia, Veronica Viviana Paniego, Norma Beatriz Helianthus annuus Recursos Genéticos Sclerotinia Fenotipos Fitomejoramiento Resistencia Genética Resistencia a la Enfermedad Genetic Resources Phenotypes Plant Breeding Genetic Resistance Disease Resistance Girasol Sclerotinia head rot (SHR) is one of the most serious constraints to sunflower (Helianthus annuus L. var. macrocarpus) production worldwide. Here, we evaluated the response to SHR in a sunflower inbred panel from a large INTA germplasm collection, consisting of 137 inbred lines (ILs). Field trials were performed over five consecutive seasons using a twice-replicated randomized complete-block design. Disease incidence, disease severity, incubation period and area under disease progress curve for disease incidence and severity were determined after controlled inoculation with the pathogen. Statistical analysis using mixed-effect models detected significant differences among ILs for all variables (P<0.001). In addition, Principal Component Analysis (PCA) and distance based methods were used to classify the ILs according to their response to SHR, with ILs ALB2/5261 and 5383 emerging as the most resistant. Broad-sense heritability estimates ranged from 20.64% for disease severity to 10.58% for incubation period. The ample phenotypic variability of our collection, along with the moderate heritability estimates, highlight the importance of molecular breeding approaches to gain new insights into the genetic basis of sunflower resistance to SHR. The exhaustive phenotypic characterization presented here provides a reliable set of variables to comprehensively evaluate the disease and identifies two new sources of resistance to SHR. Instituto de Biotecnología Fil: Filippi, Carla Valeria. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina Fil: Zubrzycki, Jeremias Enrique. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina Fil: Di Rienzo, Julio A. Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias; Argentina Fil: Quiroz, Facundo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina Fil: Fusari, Corina Mariana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina. Max Planck Institute of Molecular Plant Physiology; Alemania Fil: Alvarez, Daniel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Manfredi; Argentina Fil: Maringolo, Carla Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina Fil: Cordes, Diego Darío. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Manfredi; Argentina Fil: Escande, Alberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina Fil: Hopp, Horacio Esteban. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina Fil: Heinz, Ruth Amelia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina Fil: Lia, Veronica Viviana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina Fil: Paniego, Norma Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2018-11-28T11:07:38Z 2018-11-28T11:07:38Z 2017-11 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/3979 https://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-12-16-1784-RE 1943-7692 https://doi.org/10.1094/PDIS-12-16-1784-RE eng info:eu-repograntAgreement/INTA/PNBIO/1131042/AR./Genómica aplicada al mejoramiento molecular. info:eu-repograntAgreement/INTA/PNBIO/1131043/AR./Bioinformática y Estadística Genómica. info:eu-repo/semantics/openAccess 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 The American Phytopathological Society Plant Disease 101 (11) : 1941-1948 (Noviembre 2017) |
| spellingShingle | Helianthus annuus Recursos Genéticos Sclerotinia Fenotipos Fitomejoramiento Resistencia Genética Resistencia a la Enfermedad Genetic Resources Phenotypes Plant Breeding Genetic Resistance Disease Resistance Girasol Filippi, Carla Valeria Zubrzycki, Jeremias Enrique Di Rienzo, Julio A. Quiroz, Facundo Jose Fusari, Corina Mariana Alvarez, Daniel Maringolo, Carla Andrea Cordes, Diego Darío Escande, Alberto Hopp, Horacio Esteban Heinz, Ruth Amelia Lia, Veronica Viviana Paniego, Norma Beatriz Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding |
| title | Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding |
| title_full | Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding |
| title_fullStr | Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding |
| title_full_unstemmed | Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding |
| title_short | Phenotyping sunflower genetic resources for Sclerotinia head rot response: assessing variability for disease resistance breeding |
| title_sort | phenotyping sunflower genetic resources for sclerotinia head rot response assessing variability for disease resistance breeding |
| topic | Helianthus annuus Recursos Genéticos Sclerotinia Fenotipos Fitomejoramiento Resistencia Genética Resistencia a la Enfermedad Genetic Resources Phenotypes Plant Breeding Genetic Resistance Disease Resistance Girasol |
| url | http://hdl.handle.net/20.500.12123/3979 https://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-12-16-1784-RE https://doi.org/10.1094/PDIS-12-16-1784-RE |
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