Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index

Spike fertility index (SF) has been proposed as a promising selection criterion for increasing grain yield (GY) in bread wheat. Here, changes in GY and related traits after simulated selection (10% intensity) for high SF or high GY per se were assessed in two RIL populations: (I) Avalon/Glupro and (...

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Main Authors: Pontaroli, Ana Clara, Alonso, Maria Pía, Mirabella, Nadia Estefania, Panelo, Juan Sebastián, Franco, Maria Fiorella, Vanzetti, Leonardo Sebastian, Lorenzo, Maximo
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: Wiley 2022
Subjects:
Online Access:http://hdl.handle.net/20.500.12123/11764
https://onlinelibrary.wiley.com/doi/abs/10.1111/pbr.12945
https://doi.org/10.1111/pbr.12945
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author Pontaroli, Ana Clara
Alonso, Maria Pía
Mirabella, Nadia Estefania
Panelo, Juan Sebastián
Franco, Maria Fiorella
Vanzetti, Leonardo Sebastian
Lorenzo, Maximo
author_browse Alonso, Maria Pía
Franco, Maria Fiorella
Lorenzo, Maximo
Mirabella, Nadia Estefania
Panelo, Juan Sebastián
Pontaroli, Ana Clara
Vanzetti, Leonardo Sebastian
author_facet Pontaroli, Ana Clara
Alonso, Maria Pía
Mirabella, Nadia Estefania
Panelo, Juan Sebastián
Franco, Maria Fiorella
Vanzetti, Leonardo Sebastian
Lorenzo, Maximo
author_sort Pontaroli, Ana Clara
collection INTA Digital
description Spike fertility index (SF) has been proposed as a promising selection criterion for increasing grain yield (GY) in bread wheat. Here, changes in GY and related traits after simulated selection (10% intensity) for high SF or high GY per se were assessed in two RIL populations: (I) Avalon/Glupro and (II) Baguette 10/Klein Chajá, and in (III) advanced lines from a breeding programme. Grain yield, SF, grain number per unit area (GN), grain weight (GW), test weight (TW) and grain protein content (GPC) were determined. Regardless of the environmental conditions, simulated selection for high SF always resulted in GN increases (between 1.6% and 27.4%). Average GY increase observed after selection for high SF (11.5%; N = 10; SEM = 5.8) did not differ (p = .92) from the average GY increase observed after selection for GY per se (11.8%; N = 10; SEM = 4.9). Grain weight, GPC and TW tended to decrease with selection for high SF; however, these trade-offs might be avoided by concurrent selection. Our findings validate the use of SF as a selection criterion for increasing grain yield in bread wheat.
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institution Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina)
language Inglés
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publishDateRange 2022
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spelling INTA117642022-04-29T10:00:04Z Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index Pontaroli, Ana Clara Alonso, Maria Pía Mirabella, Nadia Estefania Panelo, Juan Sebastián Franco, Maria Fiorella Vanzetti, Leonardo Sebastian Lorenzo, Maximo Trigo Harinero Triticum Aestivum Granos Rendimiento Fitomejoramiento Reproducción Selección Soft Wheat Grain Yields Plant Breeding Reproduction Selection Spike fertility index (SF) has been proposed as a promising selection criterion for increasing grain yield (GY) in bread wheat. Here, changes in GY and related traits after simulated selection (10% intensity) for high SF or high GY per se were assessed in two RIL populations: (I) Avalon/Glupro and (II) Baguette 10/Klein Chajá, and in (III) advanced lines from a breeding programme. Grain yield, SF, grain number per unit area (GN), grain weight (GW), test weight (TW) and grain protein content (GPC) were determined. Regardless of the environmental conditions, simulated selection for high SF always resulted in GN increases (between 1.6% and 27.4%). Average GY increase observed after selection for high SF (11.5%; N = 10; SEM = 5.8) did not differ (p = .92) from the average GY increase observed after selection for GY per se (11.8%; N = 10; SEM = 4.9). Grain weight, GPC and TW tended to decrease with selection for high SF; however, these trade-offs might be avoided by concurrent selection. Our findings validate the use of SF as a selection criterion for increasing grain yield in bread wheat. EEA Balcarce Fil: Pontaroli, Ana Clara. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada Balcarce. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Pontaroli, Ana Clara. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Alonso, María Pía. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada Balcarce. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Alonso, María Pía. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Mirabella. Nadia Estefania. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada Balcarce. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Panelo, Juan Sebastián. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada Balcarce. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Franco, María Fiorella. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada Balcarce. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Fil: Franco, María Fiorella. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Vanzetti, Leonardo Sebastián. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Lorenzo, Máximo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Unidad Integrada Balcarce. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. 2022-04-29T09:54:41Z 2022-04-29T09:54:41Z 2021-06-28 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/11764 https://onlinelibrary.wiley.com/doi/abs/10.1111/pbr.12945 1439-0523 https://doi.org/10.1111/pbr.12945 eng info:eu-repograntAgreement/INTA/PNCYO-1127044/AR./-Desarrollo de germoplasma y cultivares comerciales de cereales de invierno info:eu-repo/semantics/restrictedAccess application/pdf Wiley Plant Breeding 140 (4) : 575-584 (Agosto 2021)
spellingShingle Trigo Harinero
Triticum Aestivum
Granos
Rendimiento
Fitomejoramiento
Reproducción
Selección
Soft Wheat
Grain
Yields
Plant Breeding
Reproduction
Selection
Pontaroli, Ana Clara
Alonso, Maria Pía
Mirabella, Nadia Estefania
Panelo, Juan Sebastián
Franco, Maria Fiorella
Vanzetti, Leonardo Sebastian
Lorenzo, Maximo
Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
title Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
title_full Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
title_fullStr Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
title_full_unstemmed Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
title_short Increasing grain yield in bread wheat (Triticum aestivum) by selection for high spike fertility index
title_sort increasing grain yield in bread wheat triticum aestivum by selection for high spike fertility index
topic Trigo Harinero
Triticum Aestivum
Granos
Rendimiento
Fitomejoramiento
Reproducción
Selección
Soft Wheat
Grain
Yields
Plant Breeding
Reproduction
Selection
url http://hdl.handle.net/20.500.12123/11764
https://onlinelibrary.wiley.com/doi/abs/10.1111/pbr.12945
https://doi.org/10.1111/pbr.12945
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