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240707s2024 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erae298
|2 doi
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|a pubmed25n1247.xml
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|a (DE-627)NLM374582661
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|a (NLM)38970454
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Lu, Jie
|e verfasserin
|4 aut
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|a Root plasticity improves maize nitrogen use when nitrogen is limiting
|b an analysis using 3D plant modelling
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|c 2024
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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
|b cr
|2 rdacarrier
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|a Date Completed 27.09.2024
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|a Date Revised 29.09.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Plant phenotypic plasticity plays an important role in nitrogen (N) acquisition and use under nitrogen-limited conditions. However, this role has never been quantified as a function of N availability, leaving it unclear whether plastic responses should be considered as potential targets for selection. A combined modelling and experimentation approach was adopted to quantify the role of plasticity in N uptake and plant yield. Based on a greenhouse experiment we considered plasticity in two maize (Zea mays) traits: root-to-leaf biomass allocation ratio and emergence rate of axial roots. In a simulation experiment we individually enabled or disabled both plastic responses for maize stands grown across six N levels. Both plastic responses contributed to maintaining a higher N uptake, and plant productivity as N availability declined compared with stands in which plastic responses were disabled. We conclude that plastic responses quantified in this study may be a potential target trait in breeding programs for greater N uptake across N levels while it may only be important for the internal use of N under N-limited conditions in maize. Given the complexity of breeding for plastic responses, an a priori model analysis is useful to identify which plastic traits to target for enhanced plant performance
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|a Journal Article
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|a Functional–structural plant model
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|a maize
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|a phenotypic plasticity
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|a root emergence rate
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|a root system architecture
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|a root-to-leaf ratio
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Lankhost, Jan A
|e verfasserin
|4 aut
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|a Stomph, Tjeerd Jan
|e verfasserin
|4 aut
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|a Schneider, Hannah M
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Yanling
|e verfasserin
|4 aut
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| 700 |
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|a Mi, Guohua
|e verfasserin
|4 aut
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| 700 |
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|a Yuan, Lixing
|e verfasserin
|4 aut
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| 700 |
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|a Evers, Jochem B
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 18 vom: 27. Sept., Seite 5989-6005
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
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|g volume:75
|g year:2024
|g number:18
|g day:27
|g month:09
|g pages:5989-6005
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|u http://dx.doi.org/10.1093/jxb/erae298
|3 Volltext
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