See the full project:
https://acsess.onlinelibrary.wiley.com/doi/abs/10.2135/cropsci2016.12.1007
Brzostowski, Lillian F., and Brian W. Diers. "Pyramiding of alleles from multiple sources increases the resistance of soybean to highly virulent soybean cyst nematode isolates." Crop Science 57.6 (2017): 2932-2941.