To investigate the best concentration of thiamine on alleviating preservative-damaged wheat seedling,the method of modified soil culture was performed in this study.Subsequently,the effect of different thiamine concentrations on wheat seedling under compound preservatives(sodium benzoate∶ potassium sorbate=2∶3,m/m)stress were further studied.The results showed that abnormalities of wheat seedling were observed under 10.0g·L-1 compound preservatives treatment,mainly including seedling delayed emergence,dwarf...