Manual for standardization of OIV Vitis descriptors = manuel pour la standardisation des descripteurs de vitis de l'oiv ; manual para la estandarización de los descriptores de vitis de la oiv

The objective of this multilingual manual (Spanish, English, French) is to provide ampelographers with a practical tool that facilitates the description and characterization of species and varieties of the genus Vitis. It is based on the latest version of the list of descriptors of the OIV (2009) and it contains a total of 41 cards with detailed pictures, and 59 descriptors, including those recommended by the experts to make a good description of Vitis species, as well as other characters that could be subjective to evaluate [Publisher's text]