Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles

Autores
Gerde, Jose Arnaldo; Tamagno, Santiago; Di Paola, Juan C.; Borras, Lucas
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Maize (Zea mays L.) kernel hardness is of utmost importance for dry-milling processors. Zeins, maize prolamins, are known to be key proteins affecting this trait. We investigated the response of kernel zein profiles to N fertilization in maize hybrids with contrasting kernel hardness (measured as test weight, vitreousness, kernel density, and floaters percentage). A field experiment was done during two seasons, with three N fertilization treatments and four commercial hybrids with different hardness (two flint and two dent kernel types). We also measured yield, kernel protein concentration, and zein profiles (Z2, or g and β, and Z1, or a and d). Flint kernel type always yielded less and showed higher kernel hardness indicators when compared with dents (P < 0.01). N fertilization helped increase yield and kernel hardness in both kernel types. Flint kernel type had consistently more Z2 than dents, while only in 1 yr Z1 was higher in flints. Dent kernel type had a Z1/Z2 ratio similar to or higher than flints. Increasing N resulted in increased concentration of both zein types, but the effect was more pronounced on Z1. Significant correlations were observed between the different zein types (Z1 and Z2) and hardness indicators and total protein concentration, but Z2 showed the highest correlations with all kernel hardness traits. Our results expand previous knowledge on genotype and N fertilization effects over zein profiles and their involvement in kernel physical characteristics relevant for dry milling.
Fil: Gerde, Jose Arnaldo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
Fil: Tamagno, Santiago. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
Fil: Di Paola, Juan C.. Cotecna Inspección Argentina S.A.; Argentina
Fil: Borras, Lucas. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
Materia
Zea Mays L.
Kernel Quality
Zein Profile
Kernel Hardness
Flint
Dent
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/52718
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/52718
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Genotype and nitrogen effects over maize kernel hardness and endosperm zein profilesGerde, Jose ArnaldoTamagno, SantiagoDi Paola, Juan C.Borras, LucasZea Mays L.Kernel QualityZein ProfileKernel HardnessFlintDenthttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4Maize (Zea mays L.) kernel hardness is of utmost importance for dry-milling processors. Zeins, maize prolamins, are known to be key proteins affecting this trait. We investigated the response of kernel zein profiles to N fertilization in maize hybrids with contrasting kernel hardness (measured as test weight, vitreousness, kernel density, and floaters percentage). A field experiment was done during two seasons, with three N fertilization treatments and four commercial hybrids with different hardness (two flint and two dent kernel types). We also measured yield, kernel protein concentration, and zein profiles (Z2, or g and β, and Z1, or a and d). Flint kernel type always yielded less and showed higher kernel hardness indicators when compared with dents (P < 0.01). N fertilization helped increase yield and kernel hardness in both kernel types. Flint kernel type had consistently more Z2 than dents, while only in 1 yr Z1 was higher in flints. Dent kernel type had a Z1/Z2 ratio similar to or higher than flints. Increasing N resulted in increased concentration of both zein types, but the effect was more pronounced on Z1. Significant correlations were observed between the different zein types (Z1 and Z2) and hardness indicators and total protein concentration, but Z2 showed the highest correlations with all kernel hardness traits. Our results expand previous knowledge on genotype and N fertilization effects over zein profiles and their involvement in kernel physical characteristics relevant for dry milling.Fil: Gerde, Jose Arnaldo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; ArgentinaFil: Tamagno, Santiago. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; ArgentinaFil: Di Paola, Juan C.. Cotecna Inspección Argentina S.A.; ArgentinaFil: Borras, Lucas. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; ArgentinaCrop Science Society of America2016-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/52718Gerde, Jose Arnaldo; Tamagno, Santiago; Di Paola, Juan C.; Borras, Lucas; Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles; Crop Science Society of America; Crop Science; 56; 3; 5-2016; 1225-12330011-183XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.2135/cropsci2015.08.0526info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:21:02Zoai:ri.conicet.gov.ar:11336/52718instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:21:02.866CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
title Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
spellingShingle Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
Gerde, Jose Arnaldo
Zea Mays L.
Kernel Quality
Zein Profile
Kernel Hardness
Flint
Dent
title_short Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
title_full Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
title_fullStr Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
title_full_unstemmed Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
title_sort Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles
dc.creator.none.fl_str_mv Gerde, Jose Arnaldo
Tamagno, Santiago
Di Paola, Juan C.
Borras, Lucas
author Gerde, Jose Arnaldo
author_facet Gerde, Jose Arnaldo
Tamagno, Santiago
Di Paola, Juan C.
Borras, Lucas
author_role author
author2 Tamagno, Santiago
Di Paola, Juan C.
Borras, Lucas
author2_role author
author
author
dc.subject.none.fl_str_mv Zea Mays L.
Kernel Quality
Zein Profile
Kernel Hardness
Flint
Dent
topic Zea Mays L.
Kernel Quality
Zein Profile
Kernel Hardness
Flint
Dent
purl_subject.fl_str_mv https://purl.org/becyt/ford/4.1
https://purl.org/becyt/ford/4
dc.description.none.fl_txt_mv Maize (Zea mays L.) kernel hardness is of utmost importance for dry-milling processors. Zeins, maize prolamins, are known to be key proteins affecting this trait. We investigated the response of kernel zein profiles to N fertilization in maize hybrids with contrasting kernel hardness (measured as test weight, vitreousness, kernel density, and floaters percentage). A field experiment was done during two seasons, with three N fertilization treatments and four commercial hybrids with different hardness (two flint and two dent kernel types). We also measured yield, kernel protein concentration, and zein profiles (Z2, or g and β, and Z1, or a and d). Flint kernel type always yielded less and showed higher kernel hardness indicators when compared with dents (P < 0.01). N fertilization helped increase yield and kernel hardness in both kernel types. Flint kernel type had consistently more Z2 than dents, while only in 1 yr Z1 was higher in flints. Dent kernel type had a Z1/Z2 ratio similar to or higher than flints. Increasing N resulted in increased concentration of both zein types, but the effect was more pronounced on Z1. Significant correlations were observed between the different zein types (Z1 and Z2) and hardness indicators and total protein concentration, but Z2 showed the highest correlations with all kernel hardness traits. Our results expand previous knowledge on genotype and N fertilization effects over zein profiles and their involvement in kernel physical characteristics relevant for dry milling.
Fil: Gerde, Jose Arnaldo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
Fil: Tamagno, Santiago. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
Fil: Di Paola, Juan C.. Cotecna Inspección Argentina S.A.; Argentina
Fil: Borras, Lucas. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
description Maize (Zea mays L.) kernel hardness is of utmost importance for dry-milling processors. Zeins, maize prolamins, are known to be key proteins affecting this trait. We investigated the response of kernel zein profiles to N fertilization in maize hybrids with contrasting kernel hardness (measured as test weight, vitreousness, kernel density, and floaters percentage). A field experiment was done during two seasons, with three N fertilization treatments and four commercial hybrids with different hardness (two flint and two dent kernel types). We also measured yield, kernel protein concentration, and zein profiles (Z2, or g and β, and Z1, or a and d). Flint kernel type always yielded less and showed higher kernel hardness indicators when compared with dents (P < 0.01). N fertilization helped increase yield and kernel hardness in both kernel types. Flint kernel type had consistently more Z2 than dents, while only in 1 yr Z1 was higher in flints. Dent kernel type had a Z1/Z2 ratio similar to or higher than flints. Increasing N resulted in increased concentration of both zein types, but the effect was more pronounced on Z1. Significant correlations were observed between the different zein types (Z1 and Z2) and hardness indicators and total protein concentration, but Z2 showed the highest correlations with all kernel hardness traits. Our results expand previous knowledge on genotype and N fertilization effects over zein profiles and their involvement in kernel physical characteristics relevant for dry milling.
publishDate 2016
dc.date.none.fl_str_mv 2016-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/52718
Gerde, Jose Arnaldo; Tamagno, Santiago; Di Paola, Juan C.; Borras, Lucas; Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles; Crop Science Society of America; Crop Science; 56; 3; 5-2016; 1225-1233
0011-183X
CONICET Digital
CONICET
url http://hdl.handle.net/11336/52718
identifier_str_mv Gerde, Jose Arnaldo; Tamagno, Santiago; Di Paola, Juan C.; Borras, Lucas; Genotype and nitrogen effects over maize kernel hardness and endosperm zein profiles; Crop Science Society of America; Crop Science; 56; 3; 5-2016; 1225-1233
0011-183X
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.2135/cropsci2015.08.0526
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Crop Science Society of America
publisher.none.fl_str_mv Crop Science Society of America
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1846781708387483648
score 12.982451

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