Fig. 7.

Regression analysis of the relationship between grain yield at DON and heat tolerance efficiency DON (considered a cool environment) and at MED/LS (hot environment) (A) and relationship between grain yield at MED/OS and heat toleance efficiency MED/OS (considered a cool environment) and at MED/LS (considered a hot environment) (B) for the MSD lines, their parent ‘Norin 61’ (control), and the adapted Sudanese cultivars ‘Goumria’ and ‘Imam’. Red dots, highly heat-tolerant lines; dark orange dots, moderately heat-tolerant lines with good grain yield.