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dc.contributor.author
Alvarez Prado, Santiago
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dc.contributor.author
Sadras, Victor Oscar
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dc.contributor.author
Borras, Lucas
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dc.date.available
2020-01-17T21:25:10Z
dc.date.issued
2014-06
dc.identifier.citation
Alvarez Prado, Santiago; Sadras, Victor Oscar; Borras, Lucas; Independent genetic control of maize (Zea Mays L.) kernel weight determination and its phenotypic plasticity.; Oxford University Press; Journal of Experimental Botany; 65; 15; 6-2014; 4479-4487
dc.identifier.issn
0022-0957
dc.identifier.uri
http://hdl.handle.net/11336/95136
dc.description.abstract
Maize kernel weight (KW) is associated with the duration of the grain-filling period (GFD) and the rate of kernel biomass accumulation (KGR). It is also related to the dynamics of water and hence is physiologically linked to the maximum kernel water content (MWC), kernel desiccation rate (KDR), and moisture concentration at physiological maturity (MCPM). This work proposed that principles of phenotypic plasticity can help to consolidated the understanding of the environmental modulation and genetic control of these traits. For that purpose, a maize population of 245 recombinant inbred lines (RILs) was grown under different environmental conditions. Trait plasticity was calculated as the ratio of the variance of each RIL to the overall phenotypic variance of the population of RILs. This work found a hierarchy of plasticities: KDR ≈ GFD > MCPM > KGR > KW > MWC. There was no phenotypic and genetic correlation between traits per se and trait plasticities. MWC, the trait with the lowest plasticity, was the exception because common quantitative trait loci were found for the trait and its plasticity. Independent genetic control of a trait per se and genetic control of its plasticity is a condition for the independent evolution of traits and their plasticities. This allows breeders potentially to select for high or low plasticity in combination with high or low values of economically relevant traits.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
GRAIN-FILLING DURATION
dc.subject
KERNEL DESICCATION RATE
dc.subject
KERNEL GROWTH RATE
dc.subject
KERNEL WEIGHT
dc.subject
MAXIMUM KERNEL WATER CONTENT
dc.subject
MOISTURE CONCENTRATION AT PHYSIOLOGICAL MATURITY
dc.subject
PHENOTYPIC PLASTICITY
dc.subject
QUANTITATIVE TRAIT LOCI
dc.subject.classification
Agricultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Independent genetic control of maize (Zea Mays L.) kernel weight determination and its phenotypic plasticity.
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-01-10T14:57:26Z
dc.journal.volume
65
dc.journal.number
15
dc.journal.pagination
4479-4487
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Alvarez Prado, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Departamento de Producción Vegetal; Argentina
dc.description.fil
Fil: Sadras, Victor Oscar. South Australian Research and Development Institute; Australia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Borras, Lucas. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Departamento de Producción Vegetal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario; Argentina
dc.journal.title
Journal of Experimental Botany
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jxb/article-lookup/doi/10.1093/jxb/eru215
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1093/jxb/eru215
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