The spring wheat varieties Ganchun 20 and Yongliang 4 ,were planted widely in Wheat Growing Region of Hexi Corridor and Yellow River in Gansu recent years. They have different quality to making foodstuff. Ganchun 20 has HMW-GS 1, 7+8 and 5+10, but Yongliang 4 has HMW-GS 1, 17+18 and 5+10. The difference between Ganchun 20 and Yongliang 4 is the HMW-GS 7+8 and 17+18, which all located on Glu-Bl. Made a pair of reciprocal cross combination between Ganchun 20 and Yongliang 4 in order to the hybrid ...