<p>Table S1 Experimental details including parentage, stress ecosystems, population size, experimental design, means of grain yield, days to 50% flowering, plant height, biomass, harvest index, and percentage yield reduction in stress trials compared with non- stress conditions Populatio Ecosyste Experimental Trial mean Parentage Season YR (%) n m design GY DTF BIO HI</p><p>F3:4 Vandana/ Way Rarem USS-I DS2005 38X13 AL 371 85 5671 0.09 85.6</p><p>F3:4 Vandana/ Way Rarem UNS-I DS2005 38X13 AL 2573 80 9379 0.29</p><p>F3:5 Vandana/ Way Rarem USS-II DS2006 38X13 AL 318 80 6760 0.06 88.1</p><p>F3:5 Vandana/ Way Rarem UNS-II DS2006 38X13 AL 2669 82 12248 0.23 a F3:4 Vandana/ Way Rarem LSS DS2007 14X8 AL 985 82 6624 0.15 70.1 a F3:6 Vandana/ Way Rarem LMS DS2008 14X8 AL 1412 93 8974 0.21 52.8</p><p>F3:6 Vandana/ Way Rarem LMiS WS2008 14X8 AL 2467 84 8995 0.34 Vandana/ 3*Way BC F UMS-I WS2008 14X8 AL 1606 83 11433 0.16 55.8 2 3:4 Rarem Vandana/ 3*Way BC F USS DS2010 14X8 AL 118 102 9603 0.01 96.8 2 3:5 Rarem Vandana/ 3*Way BC F UNS WS2010 14X8 AL 3635 73 19642 0.23 2 3:5 Rarem Vandana/ 3*Way BC F USS DS2011 5X6 AL 114 89 94.5 2 3:7 Rarem Vandana/ 3*Way BC F UNS DS2011 5X6 AL 2075 85 2 3:7 Rarem</p><p>AL: alpha lattice, USS: upland severe stress, UMS: upland moderate stress, LSS: lowland severe stress, LMS: lowland moderate stress, LMiS: lowland mild stress, GY: grain yield (kgha-1), DTF: days to 50% flowering, PH: plant height (cm), BIO: biomass (kgha-1), HI: harvest index, YR: percentage yield reduction compared to non-stress. a yield reduction was calculated compared to LMiS conditions. </p><p>1</p>