1.4 Construction of F2 segregation population
A cross between the nul1 mutant, as the male parent, and Nipponbare, as the female parent, was performed at the
Rice Research Institute, Southwest University, Xiema Chongqing, in summer 2009.
The F1 plants were grown in Hainan Province in autumn of the same year.
The F2 population was raised at the Rice Research Institute, Southwest University, in 2010.