[Comparative control of varieties in vines. Vinicultural judgement, judgement of vines, description of vines, etc.]

alemania allemagne analyse organoleptique calidad color colour control de calidad couleur european union germany grapevines legislation methode methods organoleptic analysis quality resistance to injurious factors selection criteria valeur d'estimation valuation variedades varieties vid vigne vin vinos viticultura viticulture wines