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@ARTICLE{Dietrich:864490,
      author       = {Dietrich, Charlotte C. and Bilnicki, Kamil and Korzeniak,
                      Urszula and Briese, Christoph and Nagel, Kerstin and
                      Babst-Kostecka, Alicja},
      title        = {{D}oes slow and steady win the race? {R}oot growth dynamics
                      of {A}rabidopsis halleri ecotypes in soils with varying
                      trace metal element contamination},
      journal      = {Environmental and experimental botany},
      volume       = {167},
      issn         = {0098-8472},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-04267},
      pages        = {103862 -},
      year         = {2019},
      abstract     = {Hyperaccumulating plants possess complex traits, allowing
                      them to thrive in soils with high concentrations of trace
                      metal elements (TME). Accordingly, their TME hypertolerance
                      and hyperaccumulation capacities have been intensely studied
                      from physiological, evolutionary, and ecological
                      perspectives. Little is known, however, about their root
                      system development in TME enriched vs natural soils. We
                      assessed temporal and quantitative changes in root systems
                      of the model species Arabidopsis halleri, using a novel
                      combination of root phenotyping in rhizoboxes and
                      multitemporal digital imaging. We continuously monitored
                      root growth of two non-metallicolous and two metallicolous
                      populations in different substrate treatments, including
                      homogeneous and horizontal layer applications of
                      metalliferous and non-metalliferous soils. Non-metallicolous
                      plants on non-metalliferous soils produced deep-reaching and
                      wide roots, whereas metallicolous plants on metalliferous
                      soil had smaller roots. This pattern was reversed when
                      transplanting seedlings to foreign substrates, indicating
                      that environment rather than ecotype determines root growth
                      in A. halleri. Dampened root development in metalliferous
                      and favored root proliferation in non-metalliferous soils
                      indicate cost of tolerance and TME foraging, respectively.
                      Importantly, root propagation into metalliferous soil was
                      strongly promoted by a non-metalliferous “capping” layer
                      that facilitated initial plant development. Hence, growing
                      on non-polluted substrate in the early stage provides plants
                      with a robust and optimal root system that facilitates
                      seedling establishment and subsequent development under TME
                      enriched conditions. These findings improve our
                      understanding of plant performance in metalliferous
                      environments and can help refine management practices for
                      the sustainable reclamation of degraded lands.},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000487174700025},
      doi          = {10.1016/j.envexpbot.2019.103862},
      url          = {https://juser.fz-juelich.de/record/864490},
}