Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis
Maize (Zea mays L.) production in Argentina changed markedly during the last decade due to the widespread adoption of late sowing dates, expanding its productive area, and diversifying crop end-uses. This study was conducted to assess how the sowing date and nitrogen (N) availability affect grain yi...
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| Format: | Artículo |
| Language: | Inglés |
| Published: |
Wiley
2025
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/21634 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21414 https://doi.org/10.1002/csc2.21414 |
| _version_ | 1855486795124310016 |
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| author | Chazarreta, Yésica Daniela Alvarez Prado, Santiago Giménez, Víctor D. Carcedo, Ana Julia Paula López, César G. Ciampitti, Ignacio Antonio Otegui, María Elena |
| author_browse | Alvarez Prado, Santiago Carcedo, Ana Julia Paula Chazarreta, Yésica Daniela Ciampitti, Ignacio Antonio Giménez, Víctor D. López, César G. Otegui, María Elena |
| author_facet | Chazarreta, Yésica Daniela Alvarez Prado, Santiago Giménez, Víctor D. Carcedo, Ana Julia Paula López, César G. Ciampitti, Ignacio Antonio Otegui, María Elena |
| author_sort | Chazarreta, Yésica Daniela |
| collection | INTA Digital |
| description | Maize (Zea mays L.) production in Argentina changed markedly during the last decade due to the widespread adoption of late sowing dates, expanding its productive area, and diversifying crop end-uses. This study was conducted to assess how the sowing date and nitrogen (N) availability affect grain yield, its physiological determinants (biomass and its partitioning), and numeric components (kernel number and kernel weight) of maize hybrids marketed for different end-uses. Field experiments were conducted in two growing seasons (2019–2020 and 2020–2021) and two sowing dates within each season (early and late) at a site in the main maize-producing region of Argentina. Within each season × sowing date combination, eight commercial maize hybrids (commercialized as grain, dual-purpose, or silage) were tested under two N levels (N0: no N applied; N250: fertilized with 250 kg N ha−1). The greatest grain yield, biomass, kernel number, and harvest index corresponded to the grain hybrids. Dual-purpose hybrids showed an intermediate grain yield, the highest kernel weight, and a more “silage” than “graniferous” behavior. Silage hybrids had improved light interception up to silking + 15 days (R2) but exhibited the lowest grain yield. Differences in end-use steered crop breeding efforts toward different physiological strategies. The improved understanding of the physiological mechanisms underlying the productivity among maize hybrids with varying end-uses will assist in the selection and management of suitable cultivars to be grown under different systems and environmental variations associated with an extended sowing date period. |
| format | Artículo |
| id | INTA21634 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | INTA216342025-03-12T15:59:53Z Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis Chazarreta, Yésica Daniela Alvarez Prado, Santiago Giménez, Víctor D. Carcedo, Ana Julia Paula López, César G. Ciampitti, Ignacio Antonio Otegui, María Elena Maíz Fecha de Siembra Rendimiento de Cultivos Nitrógeno Peso de la Semilla Argentina Biomasa Maize Sowing Date Crop Yield Nitrogen Seed Weight Biomass Híbrido Comercial Maize (Zea mays L.) production in Argentina changed markedly during the last decade due to the widespread adoption of late sowing dates, expanding its productive area, and diversifying crop end-uses. This study was conducted to assess how the sowing date and nitrogen (N) availability affect grain yield, its physiological determinants (biomass and its partitioning), and numeric components (kernel number and kernel weight) of maize hybrids marketed for different end-uses. Field experiments were conducted in two growing seasons (2019–2020 and 2020–2021) and two sowing dates within each season (early and late) at a site in the main maize-producing region of Argentina. Within each season × sowing date combination, eight commercial maize hybrids (commercialized as grain, dual-purpose, or silage) were tested under two N levels (N0: no N applied; N250: fertilized with 250 kg N ha−1). The greatest grain yield, biomass, kernel number, and harvest index corresponded to the grain hybrids. Dual-purpose hybrids showed an intermediate grain yield, the highest kernel weight, and a more “silage” than “graniferous” behavior. Silage hybrids had improved light interception up to silking + 15 days (R2) but exhibited the lowest grain yield. Differences in end-use steered crop breeding efforts toward different physiological strategies. The improved understanding of the physiological mechanisms underlying the productivity among maize hybrids with varying end-uses will assist in the selection and management of suitable cultivars to be grown under different systems and environmental variations associated with an extended sowing date period. EEA Pergamino Fil: Chazarreta, Yésica D. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina Fil: Chazarreta, Yésica D. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Chazarreta, Yésica D. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Escuela de Ciencias Agrarias, Naturales y Ambientales; Argentina Fil: Álvarez Prado, S. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Instituto de Investigaciones en Ciencias Agrarias de Rosario. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Álvarez Prado, S. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Cátedra de Sistemas de Cultivos Extensivos-GIMUCE; Argentina Fil: Giménez, Víctor D. Kansas State University. Department of Agronomy; Estados Unidos Fil: Giménez, Víctor D. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura; Argentina Fil: Carcedo, Ana J. P. Kansas State University. Department of Agronomy; Estados Unidos Fil: López, César G. Universidad Nacional de Lomas de Zamora. Facultad de Ciencias Agrarias. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación sobre Producción Agropecuaria, Ambiente y Salud. Comisión de Investigaciones Científicas; Argentina Fil: López, César G. Universidad Nacional de Lomas de Zamora. Facultad de Ciencias Agrarias. Instituto de Investigación sobre Producción Agropecuaria, Ambiente y Salud. Comisión de Investigaciones Científicas. Cátedra de Mejoramiento Genético; Argentina Fil: Ciampitti, Ignacio A. Kansas State University. Department of Agronomy; Estados Unidos Fil: Otegui, María Elena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina Fil: Otegui, María E. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Otegui, María E. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal; Argentina 2025-03-12T15:52:51Z 2025-03-12T15:52:51Z 2025-02 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/21634 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21414 0011-183X 1435-0653 (online) https://doi.org/10.1002/csc2.21414 eng info:eu-repograntAgreement/INTA/PNCYO-1127042/AR./Bases ecofisiológicas para el mejoramiento genético y la calidad diferenciada de cereales y oleaginosas. 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 Wiley Crop Science 65 (1) : e21414. (January/February 2025) |
| spellingShingle | Maíz Fecha de Siembra Rendimiento de Cultivos Nitrógeno Peso de la Semilla Argentina Biomasa Maize Sowing Date Crop Yield Nitrogen Seed Weight Biomass Híbrido Comercial Chazarreta, Yésica Daniela Alvarez Prado, Santiago Giménez, Víctor D. Carcedo, Ana Julia Paula López, César G. Ciampitti, Ignacio Antonio Otegui, María Elena Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis |
| title | Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis |
| title_full | Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis |
| title_fullStr | Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis |
| title_full_unstemmed | Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis |
| title_short | Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis |
| title_sort | yield determination of temperate maize hybrids with different end uses an ecophysiological analysis |
| topic | Maíz Fecha de Siembra Rendimiento de Cultivos Nitrógeno Peso de la Semilla Argentina Biomasa Maize Sowing Date Crop Yield Nitrogen Seed Weight Biomass Híbrido Comercial |
| url | http://hdl.handle.net/20.500.12123/21634 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21414 https://doi.org/10.1002/csc2.21414 |
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