The QTL conferring the starch content was detected by the composite interval m apping, which could was constructed, and explained 20.1% of the phenotypic varia tion with 6.37% additive effect of Hongqi No. 4.

• 复合作图检测到1个淀粉含量QTL；红旗4号的加性效应增加淀粉6.；37%25；解释表型变异的20