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@ARTICLE{Walter:14443,
      author       = {Walter, J. and Nagy, L. and Hein, R. and Rascher, U. and
                      Beierkuhnlein, C. and Willner, E. and Jentsch, A.},
      title        = {{D}o plants remember drought? {H}ints towards a
                      drought-memory in grasses},
      journal      = {Environmental and experimental botany},
      volume       = {71},
      issn         = {0098-8472},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-14443},
      pages        = {34 - 40},
      year         = {2011},
      note         = {Many thanks to all interns, who assisted with the
                      measurements, in particular Ines Pastor. We thank Prof. W.
                      Beyschlag and Jun. Prof. Christiane Werner-Pinto of the
                      University of Bielefeld and Prof. J. Tenhunen of the
                      University of Bayreuth for providing us with their PAMs.
                      Many thanks to Dr. H. Auge of the Helmholtz Centre for
                      Environmental Research in Halle, for providing us with the
                      LI-6400. Thanks to Reinhold Stahlmann and several technical
                      assistants for their help. This work was kindly supported by
                      the Helmholtz Impulse and Networking Fund through the
                      Helmholtz Interdisciplinary Graduate School for
                      Environmental Research (HIGRADE). Thanks to the anonymous
                      reviewers for helping to improve the manuscript.},
      abstract     = {The frequency of extreme drought events is projected to
                      increase under global climate change, causing damage to
                      plants and crop yield despite potential acclimation. We
                      investigated whether grasses remain acclimated to drought
                      even after a harvest and remember early summer drought
                      exposure over a whole vegetation period. For this, we
                      compared the response of Arrhenatherum elatius plants under
                      a second, late, drought (they were pre-exposed to an early
                      drought before), to plants exposed to a single, only late,
                      extreme drought. Surprisingly, the percentage of living
                      biomass after a late drought increased for plants that were
                      exposed to drought earlier in the growing season compared to
                      single-stressed plants, even after harvest and resprouting
                      after the first drought. Relative leaf water content did not
                      differ between the two treatments. Net photosynthesis was
                      non-significantly reduced by $25\%$ in recurrent drought
                      treatment. Maximum quantum efficiency (F-v/F-m)and maximum
                      fluorescence (F-m) were reduced in plants that were exposed
                      to recurrent drought. These findings indicated improved
                      photoprotection in double-stressed plants. Our results
                      provide first hints towards a "drought memory" over an
                      entire vegetation period, even after harvest and
                      resprouting. However, the advantage of improved
                      photoprotection might also cause reductions in
                      photosynthesis that could have adverse effects on crop yield
                      under more severe or longer droughts. (C) 2010 Elsevier B.V.
                      All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences / Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000287054200005},
      doi          = {10.1016/j.envexpbot.2010.10.020},
      url          = {https://juser.fz-juelich.de/record/14443},
}