The Consejo Regulador de Ribera del Duero, together with the Comité de Calificación de la Cosecha, have determined the quality of the Ribera del Duero wines, qualifying the 2017 harvest as Very Good.
This year, the Comite de Calificación de la Cosecha was made up of eight of the most prestigious sommeliers in Spain from the best restaurants in Spain:
According to an investigation against the "Screw of the Vine" made by the University of León, in the fight against this plague there would be biological solutions, being a fungus that would have the key.
The 'screw of the vine' is one of the most harmful pests for the vineyards of the Iberian Peninsula. The cause of the problems would be the insect 'Xylotrechus arvicola', which looks like a wasp. It should be noted that this insect, while harmless to humans, is a serious problem for vineyards.