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@ARTICLE{Sundgren:850310,
      author       = {Sundgren, Tove Kristina and Uhlen, Anne Kjersti and
                      Lillemo, Morten and Briese, Christoph and Wojciechowski,
                      Tobias},
      title        = {{R}apid seedling establishment and a narrow root stele
                      promotes waterlogging tolerance in spring wheat},
      journal      = {Journal of plant physiology},
      volume       = {227},
      issn         = {0176-1617},
      address      = {München},
      publisher    = {Elsevier},
      reportid     = {FZJ-2018-04352},
      pages        = {45-55},
      year         = {2018},
      abstract     = {Improving the waterlogging tolerance of wheat varieties
                      could alleviate yield constraints caused by excessive rain
                      and poor soil drainage. In this study, we investigated root
                      and shoot growth as well as anatomical traits of six spring
                      wheat genotypes with contrasting waterlogging tolerance
                      properties. Our aim was to identify root traits that
                      differentiate tolerant from sensitive genotypes. Two
                      experiments were conducted using rhizoboxes and photography
                      for data acquisition. In experiment one, root growth of the
                      genotypes was studied during seedling establishment and a
                      subsequent waterlogging treatment, starting at the 3-leaf
                      stage and maintained for seven days. In the second
                      experiment, root and shoot growth of previously waterlogged
                      plants was compared between the genotypes during seven days
                      of recovery. At harvest of experiment two, root segments
                      were sampled to investigate genotype differences of root
                      cross sectional area, root cortex area, stele area and
                      percentage of aerenchyma. The results show that tolerant, in
                      contrast to sensitive genotypes, developed seminal roots
                      faster in the seedling establishment phase and more nodal
                      roots during the waterlogging treatment. NK93602 and Bjarne
                      were the best performing genotypes. Bjarne in particular had
                      a narrower relative stele size of nodal $(13.4\%)$ and
                      seminal roots $(11.7\%)$ compared to other genotypes (e.g.
                      $16.3\%$ in nodal roots and $13.9\%$ in seminal roots of
                      sensitive Quarna). The results from this study suggests that
                      early vigor is an important trait for waterlogging tolerance
                      in the field. Anatomical root traits, such as a narrow stele
                      and aerenchyma may contribute to improving waterlogging
                      tolerance furthermore.},
      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},
      pubmed       = {pmid:29735176},
      UT           = {WOS:000439100400005},
      doi          = {10.1016/j.jplph.2018.04.010},
      url          = {https://juser.fz-juelich.de/record/850310},
}