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@ARTICLE{Avramova:282939,
      author       = {Avramova, Viktoriya and Nagel, Kerstin and AbdElgawad,
                      Hamada and Bustos, Dolores and DuPlessis, Magdeleen and
                      Fiorani, Fabio and Beemster, Gerrit T. S.},
      title        = {{S}creening for drought tolerance of maize hybrids by
                      multi-scale analysis of root and shoot traits at the
                      seedling stage},
      journal      = {The journal of experimental botany},
      volume       = {67},
      number       = {8},
      issn         = {1460-2431},
      address      = {Oxford},
      publisher    = {Oxford Univ. Press},
      reportid     = {FZJ-2016-01671},
      pages        = {2453-2466},
      year         = {2016},
      abstract     = {We studied the drought response of eight commercial hybrid
                      maize lines with contrasting drought sensitivity together
                      with the reference inbred line B73 using a non-invasive
                      platform for root and shoot phenotyping and a kinematics
                      approach to quantify cell level responses in the leaf.
                      Drought treatments strongly reduced leaf growth parameters
                      including projected leaf area, elongation rate, final length
                      and width of the fourth and fifth leaf. Physiological
                      measurements including water use efficiency, chlorophyll
                      fluorescence and photosynthesis were also significantly
                      affected. By performing a kinematic analysis, we show that
                      leaf growth reduction in response to drought is mainly due
                      to a decrease in cell division rate, whereas a marked
                      reduction in cell expansion rate is compensated by increased
                      duration of cell expansion. Detailed analysis of root growth
                      in rhizotrons under drought conditions revealed a strong
                      reduction in total root length as well as rooting depth and
                      width. This was reflected by corresponding decreases in
                      fresh and dry weight of the root system. We show that
                      phenotypic differences between lines differing in geographic
                      origin (African vs. European) and in drought tolerance under
                      field conditions can already be identified at the seedling
                      stage by measurements of total root length and shoot dry
                      weight of the plants. Moreover, we propose a list of
                      candidate traits that could potentially serve as traits for
                      future screening strategies.},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582) / EPPN - European Plant
                      Phenotyping Network (284443)},
      pid          = {G:(DE-HGF)POF3-582 / G:(EU-Grant)284443},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000374418600027},
      pubmed       = {pmid:26889006},
      doi          = {10.1093/jxb/erw055},
      url          = {https://juser.fz-juelich.de/record/282939},
}