19 hybrids derived from cross combination Muscat Hamburg * Heilongjiang seedling and 47 individuals of self-pollination cross of Beichun were obtained during 2000~ 2002. At the same time, RAPD markers linked to the hardiness genes of V. amuremis in Chinese wild Vitis were studied by using 205 plants, including 58 clones of 12 Chinese wild Vitis species, 20 cultivars of V. vinifera, a cultivar Beichun (V. vinifera x V. amnrensis), 2 cultivars from V. vinifera V. labrnsca, 2 clones of V. riparia ...