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000011694 0247_ $$2pmid$$apmid:20453027
000011694 0247_ $$2DOI$$a10.1093/jxb/erq077
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000011694 041__ $$aeng
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000011694 084__ $$2WoS$$aPlant Sciences
000011694 1001_ $$0P:(DE-HGF)0$$aDraye, X.$$b0
000011694 245__ $$aModel-assisted integration of physiological and environmental constraints affecting the dynamic and spatial patterns of root water uptake from soils
000011694 260__ $$aOxford$$bUniv. Press$$c2010
000011694 300__ $$a2145 - 2155
000011694 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000011694 3367_ $$2DRIVER$$aarticle
000011694 440_0 $$03318$$aJournal of Experimental Botany$$v61$$x0022-0957$$y8
000011694 500__ $$aThis work was supported by the Inter-University Attraction Pole Programme - Belgian Science Policy (PAI), and the Communaute Francaise de Belgique - Actions de Recherches Concertees (ARC).
000011694 520__ $$aDue in part to recent progress in root genetics and genomics, increasing attention is being devoted to root system architecture (RSA) for the improvement of drought tolerance. The focus is generally set on deep roots, expected to improve access to soil water resources during water deficit episodes. Surprisingly, our quantitative understanding of the role of RSA in the uptake of soil water remains extremely limited, which is mainly due to the inherent complexity of the soil-plant continuum. Evidently, there is a need for plant biologists and hydrologists to develop together their understanding of water movement in the soil-plant system. Using recent quantitative models coupling the hydraulic behaviour of soil and roots in an explicit 3D framework, this paper illustrates that the contribution of RSA to root water uptake is hardly separable from the hydraulic properties of the roots and of the soil. It is also argued that the traditional view that either the plant or the soil should be dominating the patterns of water extraction is not generally appropriate for crops growing with a sub-optimal water supply. Hopefully, in silico experiments using this type of model will help explore how water fluxes driven by soil and plant processes affect soil water availability and uptake throughout a growth cycle and will embed the study of RSA within the domains of root hydraulic architecture and sub-surface hydrology.
000011694 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
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000011694 650_2 $$2MeSH$$aEnvironment
000011694 650_2 $$2MeSH$$aKinetics
000011694 650_2 $$2MeSH$$aModels, Theoretical
000011694 650_2 $$2MeSH$$aPlant Roots: chemistry
000011694 650_2 $$2MeSH$$aPlant Roots: growth & development
000011694 650_2 $$2MeSH$$aPlant Roots: physiology
000011694 650_2 $$2MeSH$$aPlant Transpiration
000011694 650_2 $$2MeSH$$aSoil: analysis
000011694 650_2 $$2MeSH$$aWater: metabolism
000011694 650_7 $$00$$2NLM Chemicals$$aSoil
000011694 650_7 $$07732-18-5$$2NLM Chemicals$$aWater
000011694 650_7 $$2WoSType$$aJ
000011694 65320 $$2Author$$aDrought
000011694 65320 $$2Author$$ahydraulics
000011694 65320 $$2Author$$ahydrology
000011694 65320 $$2Author$$amodelling root system architecture
000011694 7001_ $$0P:(DE-HGF)0$$aKim, Y.$$b1
000011694 7001_ $$0P:(DE-HGF)0$$aLobet, G.$$b2
000011694 7001_ $$0P:(DE-Juel1)129477$$aJavaux, M.$$b3$$uFZJ
000011694 773__ $$0PERI:(DE-600)1466717-4$$a10.1093/jxb/erq077$$gVol. 61, p. 2145 - 2155$$p2145 - 2155$$q61<2145 - 2155$$tThe @journal of experimental botany$$v61$$x0022-0957$$y2010
000011694 8567_ $$uhttp://dx.doi.org/10.1093/jxb/erq077
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000011694 9131_ $$0G:(DE-Juel1)FUEK407$$bErde und Umwelt$$kP24$$lTerrestrische Umwelt$$vTerrestrische Umwelt$$x0
000011694 9141_ $$y2010
000011694 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed
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