Correlation analysis of hardiness indexes showed that it was scientific to use average of SF for evaluating grape hardiness, so it can he used to evaluate cold hardiness of new Vitis germplasm resources.

• 抗寒性指标间相关性分析表明，利用平均隶属度评价葡萄抗寒性最为科学，为鉴定葡萄新种质提供了依据。