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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru215
|2 doi
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|a pubmed24n0796.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Alvarez Prado, Santiago
|e verfasserin
|4 aut
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| 245 |
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|a Independent genetic control of maize (Zea mays L.) kernel weight determination and its phenotypic plasticity
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.04.2015
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|a Date Revised 18.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2014. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a 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
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|a Journal Article
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|a Grain-filling duration
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4 |
|a kernel desiccation rate
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|a kernel growth rate
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| 650 |
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|a kernel weight
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| 650 |
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|a maximum kernel water content
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| 650 |
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|a moisture concentration at physiological maturity
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|a phenotypic plasticity
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|a quantitative trait loci.
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| 700 |
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|a Sadras, Víctor O
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Borrás, Lucas
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 65(2014), 15 vom: 01. Aug., Seite 4479-87
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:65
|g year:2014
|g number:15
|g day:01
|g month:08
|g pages:4479-87
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|u http://dx.doi.org/10.1093/jxb/eru215
|3 Volltext
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