The Federal Research Centre for Cultivated Plants Julius Kühn Institute (JKI) is a federal research institute and independent higher federal authority based in Quedlinburg (Saxony-Anhalt, Germany). The institute, named in honour of the agricultural scientist and reformer of agricultural science Julius Kühn (1825-1910), was created in 2008 from a merger of several existing institutes, including the Geilweilerhof in Siebeldingen (Palatinate).

The Julius Kühn Institute is responsible for crop protection in its entirety for Germany. This includes the areas of plant genetics, plant cultivation, plant nutrition and soil science as well as plant protection and plant health. There are branch offices in Berlin, Bernkastel-Kues, Braunschweig, Darmstadt, Dossenheim, Dresden-Pillnitz, Elsdorf, Groß Lüsewitz, Kleinmachnow, Münster and Geilweilerhof in Siebeldingen. The latter site is specifically responsible for vine breeding and maintaining the VIVC grape variety database
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