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@INPROCEEDINGS{Muller:857780,
      author       = {Muller, Onno and Keller, Beat and Zimmermann, Lars and
                      Jedmowski, Christoph and Pingle, Vikas Shantaram and
                      Acebron, Kelvin and Zendonadi, Nicolas dos Santos and
                      Steier, Angelina and Pieruschka, Roland and Kraska, Thorsten
                      and Schurr, Ulrich and Rascher, Uwe},
      title        = {{F}ield phenotyping and an example of proximal sensingof
                      photosynthesis},
      reportid     = {FZJ-2018-06747},
      pages        = {1-5},
      year         = {2018},
      abstract     = {Field phenotyping conceptually can be divided in five
                      pillars 1) traits of interest 2)sensors to measure these
                      traits 3) positioning systems to allow high throughput
                      measurementsby the sensors 4) experimental sites and 5)
                      environmental monitoring. In this paper we will focuson
                      photosynthesis as trait of interest, measured by remote
                      active fluorescence. The sensorpresented is the Light
                      Induced Fluorescence Transient (LIFT) instrument. The LIFT
                      instrument isintegrated in three positioning systems. First
                      in an automatized rail based positioning systemmoving in x,
                      y and z direction above 120 miniplots. Miniplots are large
                      (0.8m2) soil-filled containersplaced inside and outside the
                      greenhouse. Second the sensor is mounted on a manual
                      operatedField4cycle and third on a fully autonomously
                      moving, engine driven, GPS steered cart, calledFieldCop.
                      Photosynthetic traits were quantified for major crop species
                      across seasonal changesin environment, grown at elevated
                      CO2, or at different irrigation regimes. The quantum
                      efficiencyof photosystem II (Fq’/Fm’ )was light
                      dependent whereas the electron transport rate
                      efficiency(Fr2’/Fm’) was temperature dependent. Mean
                      values of these photosynthetic traits or theirinteraction
                      with environment allowed for characterization of different
                      phenotypes. The LIFTinstrument combined with selected
                      positioning system provides high throughput proximal
                      sensingof novel photosynthetic traits.},
      month         = {Jun},
      date          = {2018-06-24},
      organization  = {14th international conference on
                       precision agriculture, Quebec (Canada),
                       24 Jun 2018 - 27 Jun 2018},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582) / DPPN - Deutsches Pflanzen
                      Phänotypisierungsnetzwerk (BMBF-031A053A)},
      pid          = {G:(DE-HGF)POF3-582 / G:(DE-Juel1)BMBF-031A053A},
      typ          = {PUB:(DE-HGF)8},
      url          = {https://juser.fz-juelich.de/record/857780},
}