Response to Direct Selection for Grain Yield under Drought Stress in Rice
R. Venuprasada,b,
H. R. Lafittea and
G. N. Atlina,*
a International Rice Research Institute (IRRI), Los Baños, Philippines b MAS Lab., Dept. of Genetics and Plant Breeding, Univ. of Agric. Sciences, Bangalore-560 065, India
Fig. 1. Frequency distribution of grain yield (g m2) of five rice populations in nonstress selection experiments: International Rice Research Institute, 2003 dry season.
Fig. 2. Frequency distribution of grain yield (g m2) of five rice populations in stress selection experiments: International Rice Research Institute, 2003 dry season.
Fig. 3. Relationship between genetic correlation across stress levels (rG) and relative grain yield reduction (RYR) in selection experiments: International Rice Research Institute, 2003 dry season.