The composition of high-molecular-weight glutenin subunits (HMW-GS) of fifty-two spring wheat varieties which were mainly popularized in Hexi area in Gansu Province, including thirty-two local varities, fifteen bred varieties and five intro- duced varieties, had been ananlyzed. And the quality characters of these varieties were investigated such as: flour protein content, wet-gluten content, dry-gluten content, gluten index, SDS-sedimentation value and alevograph-consistency parameters (flexibility, extensi...