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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/ery309
|2 doi
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|a pubmed24n0959.xml
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|a (DE-627)NLM287757919
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|a (NLM)30137451
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chen, Tsu-Wei
|e verfasserin
|4 aut
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| 245 |
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|a Genetic and environmental dissection of biomass accumulation in multi-genotype maize canopies
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| 264 |
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|c 2019
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 13.07.2020
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| 500 |
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|a Date Revised 11.10.2023
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a © The Author(s) 2018. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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| 520 |
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|a 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
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a GWAS
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| 650 |
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4 |
|a canopy heterogeneity
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| 650 |
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4 |
|a high-throughput phenotyping
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| 650 |
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4 |
|a inter-genotypic competition
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| 650 |
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4 |
|a light interception
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| 650 |
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4 |
|a light use efficiency
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| 650 |
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4 |
|a maize
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| 650 |
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4 |
|a plant architecture
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| 650 |
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4 |
|a varietal mixture
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| 700 |
1 |
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|a Cabrera-Bosquet, Llorenç
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Alvarez Prado, Santiago
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Perez, Raphaël
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Artzet, Simon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pradal, Christophe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Coupel-Ledru, Aude
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fournier, Christian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tardieu, François
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 70(2019), 9 vom: 29. Apr., Seite 2523-2534
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:70
|g year:2019
|g number:9
|g day:29
|g month:04
|g pages:2523-2534
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/ery309
|3 Volltext
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