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@ARTICLE{Minchin:42752,
      author       = {Minchin, P. E. H. and Lacointe, A.},
      title        = {{N}ew understanding on phloem physiology and possible
                      consequences to modelling long-distance carbon transport},
      journal      = {The new phytologist},
      volume       = {166},
      issn         = {0028-646X},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-42752},
      pages        = {771 - 779},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Most current models of assimilate carbohydrate partitioning
                      are based on growth patterns observed under a range of
                      experimental conditions, from which a set of empirical rules
                      are derived to simulate partitioning. As a result, they are
                      not good at extrapolating to other conditions; this requires
                      a mechanistic approach, which only transport-resistance (TR)
                      models currently provide. We examine an approach to
                      incorporating recent progress in phloem physiology into the
                      TR approach, which leads to a 'minimalist' Munch model of a
                      branched system with competing sinks. In vivo whole-plant
                      measurements have demonstrated that C-flow rates are
                      dependent not only on the properties of the sink, but also
                      on the properties of the whole transport system, and the
                      detailed dynamics of this behaviour is mimicked by the
                      proposed model. This model provides a sound theoretical
                      framework for an unambiguous definition of sink and source
                      strengths, with sink priority being an emergent property of
                      the model. Further developments are proposed, some of which
                      have already had limited application, to cope with the
                      complexity of plants; the emphasis is on a modular approach,
                      together with the importance of choosing the appropriate
                      scale level for both structure and function. Whole-plant
                      experiments with in vivo measurement of the phloem dynamics
                      will be needed to help with this choice.},
      keywords     = {Biological Transport, Active / Carbon: metabolism / Models,
                      Biological / Plant Components, Aerial: physiology / Plants:
                      growth $\&$ development / Plants: metabolism / Carbon (NLM
                      Chemicals) / J (WoSType)},
      cin          = {ICG-III},
      ddc          = {580},
      cid          = {I:(DE-Juel1)VDB49},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:15869640},
      UT           = {WOS:000228750700009},
      doi          = {10.1111/j.1469-8137.2005.01323.x},
      url          = {https://juser.fz-juelich.de/record/42752},
}