Dose modulation and relief: passable GDV trials

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To go further: OPTIDOSE

  • L? IFV offers an online computer module that presents winemakers with approved dose reductions to request treatments according to three criteria:?The average phenological stage at the time of treatment; ?the volume of the foliar seto (calculated from a dozen measurements made at different points of the plot: height of the foliage to be protected.
  • Width of foliage and distance between rows); parasitic pressure.

This technique was tested in 2016 Tauxières.La a 15% reduction in anti-mildiou compared to the operating reference programme had no significant consequences. In fact, at the beginning of the winter, foliar attack intensities were 2.1% in Optidose mode compared to 1.9% in clusters, crop loss was 3.5% and 3%, respectively.

Contact: Isabelle RENARD (GDV de la Marne) 06 75 74 89 38

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