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@INPROCEEDINGS{Hecht:868288,
      author       = {Hecht, Vera Lisa and Temperton, Vicky and Nagel, Kerstin
                      and Rascher, Uwe and van Dusschoten, Dagmar and Postma,
                      Johannes Auke},
      title        = {{R}oot and shoot phenotypic traits and their expression in
                      response to sowing density in spring barley ({H}ordeum
                      vulgare)},
      reportid     = {FZJ-2019-06839},
      year         = {2019},
      abstract     = {Plants almost always grow within a population, however,
                      most of our knowledge of plant growth comes from plants
                      grown as single plants. To identify traits relevant to
                      field, i.e. agronomic conditions, it is critical to
                      investigate plants in populations and not only as single
                      plants. Individuals growing in the same substrate will
                      interact with each other within a defined volume over time.
                      The extent, however, to which the variability of traits,
                      especially root traits, in single plants and individuals in
                      a population differs from each other was still unclear.
                      Further, even less was known about sowing density effects on
                      the whole plant: allocation between root and shoot as a
                      consequence of sowing density.In my PhD, I studied the
                      influence of sowing density on plant shoot and root growth
                      and architecture. I performed various experiments (field
                      experiments, rhizotron experiments, one pot experiment)
                      using two spring barley (Hordeum vulgare L.) cultivars and
                      one introgression line (a cross of a German spring barley
                      cultivar and an Israeli wild accession). I grew the plants
                      as single plants and at different sowing densities and
                      collected data on both shoot and root. In the field
                      experiments, I found that sowing density affected root
                      length density, specific root length, tiller formation, and
                      yield in the field. The alterations in root traits could be
                      explained by changes in seminal and nodal root counts.
                      Further, I will discuss sowing density in the context of lab
                      to field translation, illustrating the challenge by a case
                      study. In the case study, the high tillering and high
                      rooting phenotype of an introgression line in comparison to
                      its German parent, selected in the greenhouse, was only
                      partly expressed in the field, depending on sowing density.},
      month         = {Apr},
      date          = {2019-04-30},
      organization  = {MonoGram 2019, Nottingham (United
                       Kingdoms), 30 Apr 2019 - 2 May 2019},
      subtyp        = {Invited},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/868288},
}