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@INPROCEEDINGS{Junker:840043,
      author       = {Junker, Laura},
      title        = {{OG} {P}recision horticulture: {O}ptimization of lettuce
                      production through the use of precision detection and
                      application of pesticides},
      reportid     = {FZJ-2017-07609},
      year         = {2017},
      abstract     = {Practical problem: Lettuce cultures are routinely
                      pesticide-treated to avoid widespread infestation with
                      aphids which are not tolerated by consumers. An automated
                      identification of infestation events would allow for
                      selective spraying which reduces the costs for pesticide
                      treatments and levels of pesticide residues.Project
                      objectives: We aim to identify suitable sensors and
                      algorithms for the remote detection of aphid-infested
                      lettuce plants and to develop an improved spraying device
                      for small-scale application of pesticides. Both techniques
                      will be combined in a tractor-borne setup for the selective
                      spraying of aphid-infested lettuce plants.Expected results:
                      We expect that the biotic stress response of lettuce plants
                      to aphid infestation leads to altered spectral reflectance
                      signatures of the lettuce leaves. Suitable sensors and
                      algorithms will be selected to remotely detect
                      aphid-infested plants. Furthermore, we will develop a custom
                      designed spraying installation for individual plants by
                      combination of high-precision valves and jets for
                      small-scale application of pesticides.Results so far: In a
                      first experimental approach, lettuce plants with different
                      infestation intensities of the polyphageous potato aphid
                      (Macrosiphum euphorbiae) were cultivated to do comparative
                      spectral reflectance measurements. Furthermore, a detailed
                      study of lettuce morphology and growth patterns was basis
                      for the establishment of a technical test facility to
                      develop the spraying device.Who will benefit: Farmers can
                      reduce costs for pesticide treatments, and consumers benefit
                      from products with lower pesticide residues.},
      month         = {Oct},
      date          = {2017-10-11},
      organization  = {AGRI innovation summit 2017, Lisbon
                       (Portugal), 11 Oct 2017 - 12 Oct 2017},
      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)24},
      url          = {https://juser.fz-juelich.de/record/840043},
}