Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings
Rangelands play a crucial socioeconomic and environmental role worldwide. In South America, desertification and overgrazing has led to their deterioration and declining productivity. Breeding programs that use native forage species of economic and ecological importance, such as Festuca pallescens (S...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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MDPI
2025
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| Online Access: | http://hdl.handle.net/20.500.12123/21839 https://www.mdpi.com/2223-7747/14/5/736 https://doi.org/10.3390/plants14050736 |
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| author | López, Aldana Soledad Nagahama, Nicolás Aparicio, Alejandro Gabriel Azpilicueta, Maria Marta Guidalevich, Verónica Angeli, Juan Pablo Marchelli, Paula |
| author_browse | Angeli, Juan Pablo Aparicio, Alejandro Gabriel Azpilicueta, Maria Marta Guidalevich, Verónica López, Aldana Soledad Marchelli, Paula Nagahama, Nicolás |
| author_facet | López, Aldana Soledad Nagahama, Nicolás Aparicio, Alejandro Gabriel Azpilicueta, Maria Marta Guidalevich, Verónica Angeli, Juan Pablo Marchelli, Paula |
| author_sort | López, Aldana Soledad |
| collection | INTA Digital |
| description | Rangelands play a crucial socioeconomic and environmental role worldwide. In South America, desertification and overgrazing has led to their deterioration and declining productivity. Breeding programs that use native forage species of economic and ecological importance, such as Festuca pallescens (St. Yves) Parodi, may provide locally adapted germplasm that enhances productivity without threatening local biodiversity. These programs may even promote the conservation of native species. To this end, we characterized the phenotypic variation of nondestructive variables (growth and reproductive traits) related to forage and seed production during spring and early summer (growth and reproductive periods). Plants from ten populations were grown under common garden conditions in two environmental settings (sites) over two years. By early summer of the second year, most populations maintained a consistent relative performance with higher values for basal diameter, height and synflorescence production at site 2. This suggests more favorable environmental conditions for the species and highlights their potential for enhancing both seed and forage production. The growth and reproductive traits were probably largely influenced by micro-environmental cues (i.e., soil type and moisture), showing predominantly plastic patterns. The populations displaying phenotypic plasticity and above-average values for both traits were selected for further evaluation in breeding programs. |
| format | info:ar-repo/semantics/artículo |
| id | INTA21839 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | INTA218392025-05-23T12:31:19Z Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings López, Aldana Soledad Nagahama, Nicolás Aparicio, Alejandro Gabriel Azpilicueta, Maria Marta Guidalevich, Verónica Angeli, Juan Pablo Marchelli, Paula Forrajes Producción de Semillas Variación Fenotípica Zona Semiárida Tierras de Pastos Forage Seed Production Phenotypic Variation Semi-arid Zones Rangelands Región Patagónica Rangelands play a crucial socioeconomic and environmental role worldwide. In South America, desertification and overgrazing has led to their deterioration and declining productivity. Breeding programs that use native forage species of economic and ecological importance, such as Festuca pallescens (St. Yves) Parodi, may provide locally adapted germplasm that enhances productivity without threatening local biodiversity. These programs may even promote the conservation of native species. To this end, we characterized the phenotypic variation of nondestructive variables (growth and reproductive traits) related to forage and seed production during spring and early summer (growth and reproductive periods). Plants from ten populations were grown under common garden conditions in two environmental settings (sites) over two years. By early summer of the second year, most populations maintained a consistent relative performance with higher values for basal diameter, height and synflorescence production at site 2. This suggests more favorable environmental conditions for the species and highlights their potential for enhancing both seed and forage production. The growth and reproductive traits were probably largely influenced by micro-environmental cues (i.e., soil type and moisture), showing predominantly plastic patterns. The populations displaying phenotypic plasticity and above-average values for both traits were selected for further evaluation in breeding programs. EEAf Esquel Fil: López, Aldana Soledad. Universidad Nacional de la Patagonia San Juan Bosco (UNPSJB). Facultad de Ciencias Naturales y Ciencias de la Salud. Laboratorio de Bioprospección Aplicada en Plantas y Hongos (LaBIAPH); Argentina Fil: López, Aldana Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Centro Científico Tecnológico Patagonia Sur; Argentina Fil: Nagahama, Nicolás. Universidad Nacional de la Patagonia San Juan Bosco (UNPSJB). Facultad de Ciencias Naturales y Ciencias de la Salud. Laboratorio de Bioprospección Aplicada en Plantas y Hongos (LaBIAPH); Argentina Fil: Nagahama, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Centro Científico Tecnológico Patagonia Norte; Argentina Fil: Nagahama, Nicolás. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agroforestal Esquel; Argentina Fil: Aparicio, Alejandro Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB); Argentina Fil: Aparicio, Alejandro Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB); Argentina Fil: Azpilicueta, Maria Marta. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB); Argentina Fil: Azpilicueta, Maria Marta. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB); Argentina Fil: Guidalevich, Verónica. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Centro Científico Tecnológico Patagonia Norte; Argentina Fil: Guidalevich, Verónica. Instituto Nacional de Tecnologia Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB); Argentina Fil: Angeli, Juan Pablo. Universidad Nacional de la Patagonia San Juan Bosco (UNPSJB). Facultad de Ciencias Naturales y Ciencias de la Salud. Laboratorio de Bioprospección Aplicada en Plantas y Hongos (LaBIAPH); Argentina Fil: Angeli, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Centro Científico Tecnológico Patagonia Norte; Argentina Fil: Angeli, Juan Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agroforestal Esquel; Argentina Fil: Marchelli, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Centro Científico Tecnológico Patagonia Norte; Argentina Fil: Marchelli, Paula. Instituto Nacional de Tecnologia Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB); Argentina 2025-03-27T13:06:39Z 2025-03-27T13:06:39Z 2025-02-27 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/21839 https://www.mdpi.com/2223-7747/14/5/736 2223-7747 https://doi.org/10.3390/plants14050736 eng info:eu-repograntAgreement/INTA/2019-PE-E6-I142-001, Mejoramiento genético de leguminosas y gramíneas forrajeras para incrementar la productividad y la sustentabilidad de los sistemas agropecuarios de la Argentina 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 Patagonia .......... (general region) (World, South America, Argentina) 7016766 MDPI Plants 14 (5) : 763. (February 2025) |
| spellingShingle | Forrajes Producción de Semillas Variación Fenotípica Zona Semiárida Tierras de Pastos Forage Seed Production Phenotypic Variation Semi-arid Zones Rangelands Región Patagónica López, Aldana Soledad Nagahama, Nicolás Aparicio, Alejandro Gabriel Azpilicueta, Maria Marta Guidalevich, Verónica Angeli, Juan Pablo Marchelli, Paula Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings |
| title | Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings |
| title_full | Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings |
| title_fullStr | Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings |
| title_full_unstemmed | Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings |
| title_short | Genetic variation of growth traits and seed production in a Patagonian native pasture in semiarid rangelands under different environmental settings |
| title_sort | genetic variation of growth traits and seed production in a patagonian native pasture in semiarid rangelands under different environmental settings |
| topic | Forrajes Producción de Semillas Variación Fenotípica Zona Semiárida Tierras de Pastos Forage Seed Production Phenotypic Variation Semi-arid Zones Rangelands Región Patagónica |
| url | http://hdl.handle.net/20.500.12123/21839 https://www.mdpi.com/2223-7747/14/5/736 https://doi.org/10.3390/plants14050736 |
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