【Objective】Seed vigor sustainability is a key factor to compare seed storability.【Methods】Seven soybean cultivars were used in this study to compare the differences of the seed vigor in two storage time.Seed vigor sustainability of the varieties was deduced using the variation range of seed vigor,seed germination rate and other indicators.【Results】Results showed that the seed vigor,seed germination rate and seedling quality indicators were exhibited a decreasing trend with the extension of storage time unde...