1. Supplemental Figure 1 Frequency distribution of kernel hardness (index) of the 164 F 6 - derived recombinant inbred lines (RILs) grown at six field environments in 2007 and 2008. The data sets were obtained from the trials (cb) Across six field environments (a) Corvallis (OR), 2008, (b) Moro (OR), 2008, (c) Pendleton (OR), 2008, (d) Pullman (WA), 2008, (e) Moscow (ID), 2008, (f) Corvallis (OR ), 2007, and (g) Greenhouse (OR ), 2007. Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

2. Supplemental Figure 2 Frequency distribution of break flour yield (g/kg) of the 164 F 6 -derived recombinant inbred lines (RILs) grown at four different field environments in 2008. The data sets were obtained from the trials (cb) Across four environments, (a) Corvallis (OR), (b) Moro (OR), (c) Pendleton (OR), and (d) Pullman (WA). Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

3. Supplemental Figure 3 Frequency distribution of bran yield (g/kg) of the 164 F 6 -derived recombinant inbred lines (RILs) grown at four field environments in 2008. The data sets were obtained from the trials (cb) Across four environments, (a) Corvallis (OR), (b) Moro (OR), (c) Pendleton (OR), and (d) Pullman (WA). Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

4. Supplemental Figure 4 Frequency distribution of middling yield (g/kg) of the 164 F 6 - derived recombinant inbred lines (RILs) grown at four field environments in 2008. The data sets were obtained from the trials (cb) Across four environments, (a) Corvallis (OR), (b) Moro (OR), (c) Pendleton (OR), and (d) Pullman (WA). Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

5. Supplemental Figure 5 Frequency distribution of plant height (cm) of the 164 F 6 -derived recombinant inbred lines (RILs) grown at six field environments in 2007 and 2008. The data sets were obtained from the trials (cb) Across six field environments, (a) Corvallis (OR), 2008, (b) Moro (OR), 2008, (c) Pendleton (OR), 2008, (d) Pullman (WA), 2008, (e) Moscow (ID), 2008, and (f) Corvallis (OR ), 2007. Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

6. Supplemental Figure 6 Frequency distribution of days to heading (d) of the 164 F 6 -derived recombinant inbred lines (RILs) grown at six different environments in 2007 and 2008. The data sets were obtained from the trials (cb) Across six field environments, (a) Corvallis (OR), 2008, (b) Moro (OR), 2008, (c) Pendleton (OR), 2008, (d) Pullman (WA), 2008, (e) Moscow (ID), 2008, and (f) Corvallis (OR), 2007. Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

7. Supplemental Figure 7 Frequency distribution of test weight (kg/m³) of the 164 F 6 - derived recombinant inbred lines (RILs) grown at six different environments in 2007 and 2008. The data sets were obtained from the trials (cb) Across six field environments, (a) Corvallis (OR), 2008, (b) Moro (OR), 2008, (c) Pendleton (OR), 2008, (d) Pullman (WA), 2008, (e) Moscow (ID), 2008, and (f) Corvallis (OR ), 2007. Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

8. Supplemental Figure 8 Frequency distribution of grain protein content (g/kg) of the 164 F 6 -derived recombinant inbred lines (RILs) grown at six different environments in 2007 and 2008. The data sets were obtained from the trials (cb) Across six field environments (a) Corvallis (OR), 2008, (b) Moro (OR), 2008, (c) Pendleton (OR), 2008, (d) Pullman (WA), 2008, (e) Moscow (ID), 2008, and (f) Corvallis (OR ), 2007. Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.

9. Supplemental Figure 9 Frequency distribution of thousand-kernel weight (g) of the 164 F 6 -derived recombinant inbred lines (RILs) grown at six different environments in 2007 and 2008. The data sets were obtained from the trials (cb) Across six field environments, (a) Corvallis (OR), 2008, (b) Moro (OR), 2008, (c) Pendleton (OR), 2008, (d) Pullman (WA), 2008, (e) Moscow (ID), 2008, (f) Corvallis (OR ), 2007, and (g) Greenhouse (OR ), 2007. Mean trait value of the parental lines OS9A and QCB36 on each environment was indicated by white and black arrow, respectively.