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@ARTICLE{Belachew:843863,
      author       = {Belachew, Kiflemariam Yehuala and Nagel, Kerstin and
                      Fiorani, Fabio and Stoddard, Frederick L.},
      title        = {{D}iversity in root growth responses to moisture deficit in
                      young faba bean ( {V}icia faba {L}.) plants},
      journal      = {PeerJ},
      volume       = {6},
      issn         = {2167-8359},
      address      = {London [u.a.]},
      reportid     = {FZJ-2018-01394},
      pages        = {e4401 -},
      year         = {2018},
      abstract     = {BackgroundSoil moisture deficiency causes yield reduction
                      and instability in faba bean (Vicia faba L.) production. The
                      extent of sensitivity to drought stress varies across
                      accessions originating from diverse moisture regimes of the
                      world. Hence, we conducted successive greenhouse experiments
                      in pots and rhizotrons to explore diversity in root
                      responses to soil water deficit.MethodsA set of 89
                      accessions from wet and dry growing regions of the world was
                      defined according to the Focused Identification of Germplasm
                      Strategy and screened in a perlite-sand medium under well
                      watered conditions in a greenhouse experiment. Stomatal
                      conductance, canopy temperature, chlorophyll concentration,
                      and root and shoot dry weights were recorded during the
                      fifth week of growth. Eight accessions representing the
                      range of responses were selected for further investigation.
                      Starting five days after germination, they were subjected to
                      a root phenotyping experiment using the automated
                      phenotyping platform GROWSCREEN-Rhizo. The rhizotrons were
                      filled with peat-soil under well watered and water limited
                      conditions. Root architectural traits were recorded five,
                      12, and 19 days after the treatment (DAT) began.ResultsIn
                      the germplasm survey, accessions from dry regions showed
                      significantly higher values of chlorophyll concentration,
                      shoot and root dry weights than those from wet regions. Root
                      and shoot dry weight as well as seed weight, and chlorophyll
                      concentration were positively correlated with each other.
                      Accession DS70622 combined higher values of root an},
      cin          = {IBG-2},
      ddc          = {570},
      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:29492343},
      UT           = {WOS:000426518200005},
      doi          = {10.7717/peerj.4401},
      url          = {https://juser.fz-juelich.de/record/843863},
}