To improve the efficiency of analysis on seed shape in wheat,a new method was introduced to measure seed shape in common wheat by SmartGrain software.SmartGrain software method and vernier caliper method were employed to measure seed length and width of 30 wheat materials.The results showed that,compared to vernier caliper method,the relative error of the SmartGrain software method were less than 3%.Correlation analysis indicated the results by two methods were significantly and positively correlated.To fur...