Fig. 2. Biplot of BLUPs of the additive x additive and additive x additive x environment effects from MM1 for grain yield of Data Set 1. Sites are S1 to S10. Lines are 1 to 47. Sister lines are marked in bold: (17, 18), (20, 21, 22), (26, 27), (28, 29), (34, 35, 36, 37, 38, 39, 40), (42, 45, 47).