The national "National Institute of Research Agronomique" was founded in France after the Second World War in 1946 under the joint supervision of the Ministries of Research and Agriculture. The main tasks of this public research organization are scientific studies in more than 20 agricultural sites. There is close cooperation with the "École Nationale Supérieur Agronomique" in Montpellier, a branch of the University of Bordeaux. Wine-growing research takes place in the municipality of Marseillan in the Département Hérault (Languedoc) in the vineyard "Domaine de Vassal". Further practical research is carried out in the wineries Pech Rouge in the municipality of Gruissan in the Département Aude (Languedoc) as well as bought in 1968 Château Couhins in the town of Villenave-d'Ornon ( Graves ).
The main focuses are clonal selection. new breed of grape varieties, control of vine diseases, development of documents, Use of fertilizers and education forms on the basis of a Organic viticulture, In 2002, INRA researchers from Montpellier succeeded in creating a DNA method to develop for determining grape varieties in a wine. See also below INAO (Institut National des Appellations d'Origine), as well as a complete list of important bodies under Wine-producing institutions,