Cornell University, has conducted viticultural research at its New York State Agricultural Experiment Station (NYSAES) in Geneva, NY, since the 1880s. vine breeders have released 57 varieties of juice, table, and wine grapes since 1906. As part of the breeding programme, disease-resistant and winter-hardy american vine species are crossed with vinifera as well as with Asian species of the vitis genus. The USDA-ARS Plant Genetic Resources Unit at Geneva makes over 1, 300 genotypes of cold-hardy Vitis germplasm available for grape breeders around the world.