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Vine implantation in Champagne is strictly regulated. Row spacing is limited to 1,50 meter and the canopy height can not exceed 1,40 m. The traditional training system is therefore characterized by narrow spaced vines. From the late eighties, different vine training systems, such as lyres, have been tested in the Champagne area. The aim is to assess their interests in the terroir of Champagne, which is characterised by its cool climate, soil profile and its customs.Whereas the lyre training showed its limits in the Champagne context, some other training systems have been implemented such as half-widely-spaced vines. These devices are characterised by a row spacing of two meters, a consistent cover crop and a canopy up to two meters. The plots are located in various places in the area and are strictly followed each year since 2006 (and 2000 for the first sites). Phenological, agronomical and ripening parameters are controlled and compared to the traditional training system plots. Experimental vinifications are done each year so that sensory analysis can be undertaken to assess the ability of these vines to produce wines with a Champagne typicality.The results of this experimental device show interesting conclusions on the agronomical behaviour of experimental widely-spaced vines in a cool climate region. Spring frost resistance, cover crop management and ripening are some elements which show differences between the reference traditional system (REF) and the widely-spaced vines (VSL).

Experimental training systems in Champagne: an overview of agronomical and qualitative parameters