Institute for Grapevine Breeding Geilweilerhof
(ZR) is engaged in the inventory of Vitis species,
varieties and other Vitis genotypes existing in the grapevine collections world-wide, leading to the establishment of the Vitis International Variety Catalogue (VIVC).
Initial support was given by:
The International Organisation of Vine and Wine (OIV) and Bioversity (formerly known as International Plant Genetic Resources Institute (IPGRI)).