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dc.contributor.author
Chen, Tsu Wei
dc.contributor.author
Cabrera Bosquet, Llorenç
dc.contributor.author
Alvarez Prado, Santiago
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dc.contributor.author
Perez, Raphaël
dc.contributor.author
Artzet, Simon
dc.contributor.author
Pradal, Christophe
dc.contributor.author
Coupel Ledru, Aude
dc.contributor.author
Fournier, Christian
dc.contributor.author
Tardieu, François
dc.date.available
2021-01-27T20:01:51Z
dc.date.issued
2019-04-15
dc.identifier.citation
Chen, Tsu Wei; Cabrera Bosquet, Llorenç; Alvarez Prado, Santiago; Perez, Raphaël; Artzet, Simon; et al.; Genetic and environmental dissection of biomass accumulation in multi-genotype maize canopies; Oxford University Press; Journal of Experimental Botany; 70; 9; 15-4-2019; 2523-2534
dc.identifier.issn
0022-0957
dc.identifier.uri
http://hdl.handle.net/11336/123940
dc.description.abstract
Multi-genotype canopies are frequent in phenotyping experiments and are of increasing interest in agriculture. Radiation interception efficiency (RIE) and radiation use efficiency (RUE) have low heritabilities in such canopies. We propose a revised Monteith equation that identifies environmental and genetic components of RIE and RUE. An environmental term, a component of RIE, characterizes the effect of the presence or absence of neighbours on light interception. The ability of a given plant to compete with its neighbours is then identified, which accounts for the genetic variability of RIE of plants having similar leaf areas. This method was used in three experiments in a phenotyping platform with 765 plants of 255 maize hybrids. As expected, the heritability of the environmental term was near zero, whereas that of the competitiveness term increased with phenological stage, resulting in the identification of quantitative trait loci. In the same way, RUE was dissected as an effect of intercepted light and a genetic term. This approach was used for predicting the behaviour of individual genotypes in virtual multi-genotype canopies. A large effect of competitiveness was observed in multi-genotype but not in single-genotype canopies, resulting in a bias for genotype comparisons in breeding fields.
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
CANOPY HETEROGENEITY
dc.subject
GWAS
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HIGH-THROUGHPUT PHENOTYPING
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INTER-GENOTYPIC COMPETITION
dc.subject
LIGHT INTERCEPTION
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LIGHT USE EFFICIENCY
dc.subject
MAIZE
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PLANT ARCHITECTURE
dc.subject
VARIETAL MIXTURE
dc.subject.classification
Otras Agricultura, Silvicultura y Pesca
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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
Genetic and environmental dissection of biomass accumulation in multi-genotype maize canopies
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-12-15T14:18:24Z
dc.journal.volume
70
dc.journal.number
9
dc.journal.pagination
2523-2534
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Chen, Tsu Wei. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia
dc.description.fil
Fil: Cabrera Bosquet, Llorenç. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia
dc.description.fil
Fil: Alvarez Prado, Santiago. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Perez, Raphaël. Université Montpellier II; Francia. Institut National de la Recherche Agronomique; Francia
dc.description.fil
Fil: Artzet, Simon. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia
dc.description.fil
Fil: Pradal, Christophe. Institut National de la Recherche Agronomique; Francia
dc.description.fil
Fil: Coupel Ledru, Aude. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia
dc.description.fil
Fil: Fournier, Christian. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia
dc.description.fil
Fil: Tardieu, François. Institut National de la Recherche Agronomique; Francia. Université Montpellier II; Francia
dc.journal.title
Journal of Experimental Botany
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/jxb/ery309
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jxb/article/70/9/2523/5076199
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