Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels

Autores
Dudzien, Tatiana; Defacio, Raquel Alicia; Paniego, Norma Beatriz; Lia, Veronica Viviana; Dominguez, Pia Guadalupe
Año de publicación
2023
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Poster y resumen
In Argentina, there are about 60 maize (Zea mays ssp. mays) landraces, with two main diversity centers in the Andean and Mesopotamian-Chaco plain regions. These landraces show high genetic diversity, which makes them a vital resource to increase the gene pool of modern cultivars with the aim of adapting agriculture to climate change. Although they have been largely characterised morphologically, the comparison of their biochemical and physiological-phenological characteristics has been scarcely performed. In this work, 20 accessions of maize landraces from Argentina from the “Banco Activo de Germoplasma INTA Pergamino" were analysed in a common garden under greenhouse-controlled conditions. The average number of leaves at 30 and 62 days after germination (DAG) of the 20 accessions was 8.35 (standard deviation or SD=0.98) and 15.18 (SD=2.14), respectively. Two accessions reached 100 % of male flowering at 70 DAG, eight at 77 DAG and six at 87 DAG, while the rest did not flower. Female flowering showed desynchronization with respect to male flowering, with 4 entries bearing 100% flowering at 77 DAG, and 6 entries at 87 DAG. The average total biomass per plant was 44.65 g (SD = 30.84). In addition, various leaf biochemical variables were measured, including chlorophyll a, chlorophyll b, total chlorophyll and carotenoids, whose averages were 1583.42 µg/ml g (SD= 878.53), 424.99 µg/ml g (SD= 231.21), 2008.41 µg/ml g (SD= 1102.43) and 370.05 µg/ml g (SD= 179.13), respectively. Leaf total sugar content mean was 37.7 µg/µl g (SD= 22.34), while that of total protein was 7.47 µg/µl g (SD= 4.3). The combination of univariate and multivariate statistical analyses showed that there is significant phenotypic and metabolic variation among the accessions, with no clear grouping patterns in relation to geographical origin or grain type. These results highlight the importance of considering the distinctiveness of individual accessions in future conservation and utilisation programs.
EEA Pergamino
Fil: Dudzien, Tatiana L. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Defacio, Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Recursos Genéticos; Argentina
Fil: Paniego, Norma Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Lía, Verónica Viviana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Lia, Verónica Viviana. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
Fil: Domínguez, Pía Guadalupe. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fuente
RAFV Conference 2023 XXXIV Argentinian Meeting of Plant Physiology. (Reunión de la Sociedad Argentina de Fisiología Vegetal) September 24 – 27, Rosario, Santa Fe, Argentina
Materia
Maíz
Variación Fenotípica
Metabolismo de las Plantas
Banco de Germoplasma
Maize
Phenotypic Variation
Plant Metabolism
Germplasm Banks
Argentina
Maize Landrace
Metabolic Variation
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
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spelling Characterisation of maize landraces from Argentina at the phenotypic and biochemical levelsDudzien, TatianaDefacio, Raquel AliciaPaniego, Norma BeatrizLia, Veronica VivianaDominguez, Pia GuadalupeMaízVariación FenotípicaMetabolismo de las PlantasBanco de GermoplasmaMaizePhenotypic VariationPlant MetabolismGermplasm BanksArgentinaMaize LandraceMetabolic VariationPoster y resumenIn Argentina, there are about 60 maize (Zea mays ssp. mays) landraces, with two main diversity centers in the Andean and Mesopotamian-Chaco plain regions. These landraces show high genetic diversity, which makes them a vital resource to increase the gene pool of modern cultivars with the aim of adapting agriculture to climate change. Although they have been largely characterised morphologically, the comparison of their biochemical and physiological-phenological characteristics has been scarcely performed. In this work, 20 accessions of maize landraces from Argentina from the “Banco Activo de Germoplasma INTA Pergamino" were analysed in a common garden under greenhouse-controlled conditions. The average number of leaves at 30 and 62 days after germination (DAG) of the 20 accessions was 8.35 (standard deviation or SD=0.98) and 15.18 (SD=2.14), respectively. Two accessions reached 100 % of male flowering at 70 DAG, eight at 77 DAG and six at 87 DAG, while the rest did not flower. Female flowering showed desynchronization with respect to male flowering, with 4 entries bearing 100% flowering at 77 DAG, and 6 entries at 87 DAG. The average total biomass per plant was 44.65 g (SD = 30.84). In addition, various leaf biochemical variables were measured, including chlorophyll a, chlorophyll b, total chlorophyll and carotenoids, whose averages were 1583.42 µg/ml g (SD= 878.53), 424.99 µg/ml g (SD= 231.21), 2008.41 µg/ml g (SD= 1102.43) and 370.05 µg/ml g (SD= 179.13), respectively. Leaf total sugar content mean was 37.7 µg/µl g (SD= 22.34), while that of total protein was 7.47 µg/µl g (SD= 4.3). The combination of univariate and multivariate statistical analyses showed that there is significant phenotypic and metabolic variation among the accessions, with no clear grouping patterns in relation to geographical origin or grain type. These results highlight the importance of considering the distinctiveness of individual accessions in future conservation and utilisation programs.EEA PergaminoFil: Dudzien, Tatiana L. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Defacio, Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Recursos Genéticos; ArgentinaFil: Paniego, Norma Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Lía, Verónica Viviana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Lia, Verónica Viviana. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; ArgentinaFil: Domínguez, Pía Guadalupe. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; ArgentinaSociedad Argentina de Fisiología Vegetal2025-03-06T13:17:54Z2025-03-06T13:17:54Z2023-09info:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfhttp://hdl.handle.net/20.500.12123/21563RAFV Conference 2023 XXXIV Argentinian Meeting of Plant Physiology. (Reunión de la Sociedad Argentina de Fisiología Vegetal) September 24 – 27, Rosario, Santa Fe, Argentinareponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-09-29T13:47:10Zoai:localhost:20.500.12123/21563instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-29 13:47:11.304INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
title Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
spellingShingle Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
Dudzien, Tatiana
Maíz
Variación Fenotípica
Metabolismo de las Plantas
Banco de Germoplasma
Maize
Phenotypic Variation
Plant Metabolism
Germplasm Banks
Argentina
Maize Landrace
Metabolic Variation
title_short Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
title_full Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
title_fullStr Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
title_full_unstemmed Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
title_sort Characterisation of maize landraces from Argentina at the phenotypic and biochemical levels
dc.creator.none.fl_str_mv Dudzien, Tatiana
Defacio, Raquel Alicia
Paniego, Norma Beatriz
Lia, Veronica Viviana
Dominguez, Pia Guadalupe
author Dudzien, Tatiana
author_facet Dudzien, Tatiana
Defacio, Raquel Alicia
Paniego, Norma Beatriz
Lia, Veronica Viviana
Dominguez, Pia Guadalupe
author_role author
author2 Defacio, Raquel Alicia
Paniego, Norma Beatriz
Lia, Veronica Viviana
Dominguez, Pia Guadalupe
author2_role author
author
author
author
dc.subject.none.fl_str_mv Maíz
Variación Fenotípica
Metabolismo de las Plantas
Banco de Germoplasma
Maize
Phenotypic Variation
Plant Metabolism
Germplasm Banks
Argentina
Maize Landrace
Metabolic Variation
topic Maíz
Variación Fenotípica
Metabolismo de las Plantas
Banco de Germoplasma
Maize
Phenotypic Variation
Plant Metabolism
Germplasm Banks
Argentina
Maize Landrace
Metabolic Variation
dc.description.none.fl_txt_mv Poster y resumen
In Argentina, there are about 60 maize (Zea mays ssp. mays) landraces, with two main diversity centers in the Andean and Mesopotamian-Chaco plain regions. These landraces show high genetic diversity, which makes them a vital resource to increase the gene pool of modern cultivars with the aim of adapting agriculture to climate change. Although they have been largely characterised morphologically, the comparison of their biochemical and physiological-phenological characteristics has been scarcely performed. In this work, 20 accessions of maize landraces from Argentina from the “Banco Activo de Germoplasma INTA Pergamino" were analysed in a common garden under greenhouse-controlled conditions. The average number of leaves at 30 and 62 days after germination (DAG) of the 20 accessions was 8.35 (standard deviation or SD=0.98) and 15.18 (SD=2.14), respectively. Two accessions reached 100 % of male flowering at 70 DAG, eight at 77 DAG and six at 87 DAG, while the rest did not flower. Female flowering showed desynchronization with respect to male flowering, with 4 entries bearing 100% flowering at 77 DAG, and 6 entries at 87 DAG. The average total biomass per plant was 44.65 g (SD = 30.84). In addition, various leaf biochemical variables were measured, including chlorophyll a, chlorophyll b, total chlorophyll and carotenoids, whose averages were 1583.42 µg/ml g (SD= 878.53), 424.99 µg/ml g (SD= 231.21), 2008.41 µg/ml g (SD= 1102.43) and 370.05 µg/ml g (SD= 179.13), respectively. Leaf total sugar content mean was 37.7 µg/µl g (SD= 22.34), while that of total protein was 7.47 µg/µl g (SD= 4.3). The combination of univariate and multivariate statistical analyses showed that there is significant phenotypic and metabolic variation among the accessions, with no clear grouping patterns in relation to geographical origin or grain type. These results highlight the importance of considering the distinctiveness of individual accessions in future conservation and utilisation programs.
EEA Pergamino
Fil: Dudzien, Tatiana L. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Defacio, Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Recursos Genéticos; Argentina
Fil: Paniego, Norma Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Lía, Verónica Viviana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Lia, Verónica Viviana. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
Fil: Domínguez, Pía Guadalupe. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina
description Poster y resumen
publishDate 2023
dc.date.none.fl_str_mv 2023-09
2025-03-06T13:17:54Z
2025-03-06T13:17:54Z
dc.type.none.fl_str_mv info:eu-repo/semantics/conferenceObject
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
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status_str publishedVersion
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url http://hdl.handle.net/20.500.12123/21563
dc.language.none.fl_str_mv eng
language eng
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http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Sociedad Argentina de Fisiología Vegetal
publisher.none.fl_str_mv Sociedad Argentina de Fisiología Vegetal
dc.source.none.fl_str_mv RAFV Conference 2023 XXXIV Argentinian Meeting of Plant Physiology. (Reunión de la Sociedad Argentina de Fisiología Vegetal) September 24 – 27, Rosario, Santa Fe, Argentina
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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