In order to compare the chilling resistance of several introduced grape varieties in Yanbian area,the branches of 8 grape varieties such as Mitsushiru,Jingya,which were all at the period of dormancy,were conducted under the low temperature treatment,with natural overwinter as a control.Considering conductivity,semilethal temperature and the degree of the frozen injury due to natural overwinter synthetically,we concluded that the chilling resistance of Jingya and Mitsushiru is the strongest;Sultanin follows;...