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@ARTICLE{Schmierer:904503,
      author       = {Schmierer, Marc and Knopf, Oliver and Asch, Folkard},
      title        = {{G}rowth and {P}hotosynthesis {R}esponses of a {S}uper
                      {D}warf {R}ice {G}enotype to {S}hade and {N}itrogen
                      {S}upply},
      journal      = {International journal of genetics and molecular biology},
      volume       = {28},
      number       = {2},
      issn         = {1672-6308},
      address      = {Nairobi, Kenya},
      publisher    = {Academic Journals},
      reportid     = {FZJ-2021-06073},
      pages        = {178 - 190},
      year         = {2021},
      abstract     = {Specific aspects of plant cultivation require tests under
                      fully controlled environmental conditions with restricted
                      energy supply, such as orbit-based space laboratories and
                      low-light conditions. For these growing conditions, super
                      dwarf plants have been developed as model crops, and a
                      gibberellin- deficient Super Dwarf Rice genotype was
                      proposed as a model crop for space flight plant experiments.
                      We tested this genotype in a climate chamber experiment
                      under different illumination and nitrogen supply levels to
                      assess its suitability under scenarios with limited resource
                      availability. A $25\%$ reduction in illumination led to a
                      $75\%$ reduction in yield, mainly due to a $60\%$ reduction
                      in formed tillers and $20\%$ reduction in grain weight, and
                      a $80\%$ reduction in illumination caused total yield loss.
                      Leaf area under reduced illumination was significantly
                      lower, and only marginal changes in the dimensions of leaves
                      were observed. Plant photosynthesis was not significantly
                      different between control and $75\%$ illumination. This was
                      explained by a higher photochemical efficiency under lower
                      light conditions and a reduced mesophyll resistance.
                      Therefore, we concluded that this genotype is well-suited
                      for plant experiments under space and light-limited
                      conditions since it kept its small stature and showed no
                      shade avoidance mechanisms, such as leaf elongation, which
                      would complicate experiments under low-light conditions.
                      Nitrogen concentrations of 2.8 and 1.4 mmol/L led to no
                      differences in plant growth. We concluded that a nitrogen
                      concentration of 1.4 mmol/L is sufficient for this genotype
                      under the light intensities.},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {2171 - Biological and environmental resources for
                      sustainable use (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2171},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000621206000008},
      doi          = {10.1016/j.rsci.2021.01.007},
      url          = {https://juser.fz-juelich.de/record/904503},
}