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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
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dc.contributor.author | Chazarreta, Yésica Daniela | |
dc.contributor.author | Alvarez Prado, Santiago | |
dc.contributor.author | Giménez, Víctor D. | |
dc.contributor.author | Carcedo, Ana Julia Paula | |
dc.contributor.author | López, César G. | |
dc.contributor.author | Ciampitti, Ignacio Antonio | |
dc.contributor.author | Otegui, María Elena | |
dc.date.accessioned | 2025-03-12T15:52:51Z | |
dc.date.available | 2025-03-12T15:52:51Z | |
dc.date.issued | 2025-02 | |
dc.identifier.issn | 0011-183X | |
dc.identifier.issn | 1435-0653 (online) | |
dc.identifier.other | https://doi.org/10.1002/csc2.21414 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/21634 | |
dc.identifier.uri | https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21414 | |
dc.description.abstract | 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. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Wiley | es_AR |
dc.relation | info:eu-repograntAgreement/INTA/PNCYO-1127042/AR./Bases ecofisiológicas para el mejoramiento genético y la calidad diferenciada de cereales y oleaginosas. | |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | es_AR |
dc.source | Crop Science 65 (1) : e21414. (January/February 2025) | es_AR |
dc.subject | Maíz | es_AR |
dc.subject | Maize | eng |
dc.subject | Fecha de Siembra | es_AR |
dc.subject | Sowing Date | eng |
dc.subject | Rendimiento de Cultivos | es_AR |
dc.subject | Crop Yield | eng |
dc.subject | Nitrógeno | es_AR |
dc.subject | Nitrogen | eng |
dc.subject | Peso de la Semilla | es_AR |
dc.subject | Seed Weight | eng |
dc.subject | Argentina | es_AR |
dc.subject | Biomasa | es_AR |
dc.subject | Biomass | eng |
dc.subject.other | Híbrido Comercial | es_AR |
dc.title | Yield determination of temperate maize hybrids with different end-uses : an ecophysiological analysis | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | es_AR |
dc.description.origen | EEA Pergamino | es_AR |
dc.description.fil | Fil: Chazarreta, Yésica D. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina | es_AR |
dc.description.fil | Fil: Chazarreta, Yésica D. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Chazarreta, Yésica D. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Escuela de Ciencias Agrarias, Naturales y Ambientales; Argentina | es_AR |
dc.description.fil | 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 | es_AR |
dc.description.fil | Fil: Álvarez Prado, S. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Cátedra de Sistemas de Cultivos Extensivos-GIMUCE; Argentina | es_AR |
dc.description.fil | Fil: Giménez, Víctor D. Kansas State University. Department of Agronomy; Estados Unidos | es_AR |
dc.description.fil | Fil: Giménez, Víctor D. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura; Argentina | es_AR |
dc.description.fil | Fil: Carcedo, Ana J. P. Kansas State University. Department of Agronomy; Estados Unidos | es_AR |
dc.description.fil | 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 | es_AR |
dc.description.fil | 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 | es_AR |
dc.description.fil | Fil: Ciampitti, Ignacio A. Kansas State University. Department of Agronomy; Estados Unidos | es_AR |
dc.description.fil | Fil: Otegui, María Elena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino; Argentina | es_AR |
dc.description.fil | Fil: Otegui, María E. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Otegui, María E. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal; Argentina | es_AR |
dc.subtype | cientifico |
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