To provide basis for improving quality of wheat products in different stages,the variability and relationship of 12 quality characters of wheat kernel,flour and dough were analyzed,based on 48 wheat lines,which were derived from the same combination and were planted in the high yielding zone of East-Guanzhong and the middle yielding zone of West-Guanzhong in different years.The results showed that among the wheat lines,the coefficient of variation of protein content,sedimentation value and maximum resistanc...