<p>Supplementary Table 1a Analysis of variance for replicate and genotype effect for relative area under the disease progress curve for infection type values analyzed for each year-location.</p><p>Year, location df MS F-value P-value R2 Coefficient Effect of variance Mount Vernon, 2007 Replicate effect 2 1039.58 7.28 0.0008 0.88 17.42 Genotype effect 187 2047.13 14.35 <.0001 Error 373 142.72 Mount Vernon, 2008 Replicate effect 2 515.08 4.85 0.0083 0.77 14.73 Genotype effect 187 687.21 6.47 <.0001 Error 374 106.22 Genesee, 2007 Replicate effect 2 10246.23 201.03 <.0001 0.95 12.60 Genotype effect 187 1717.10 33.69 <.0001 Error 374 50.97 Moscow, 2008 Replicate effect 2 1704.47 3.16 0.0437 0.72 79.09 Genotype effect 187 2739.69 5.01 <.0001 Error 374 539.90 Spillman, 2007 Replicate effect 2 6603.85 22.65 <.0001 0.68 38.29 Genotype effect 187 1165.03 4.00 <.0001 Error 373 291.52 Spillman, 2008 Replicate effect 2 13294.39 60.89 <.0001 0.85 28.21 Genotype effect 187 2306.05 10.56 <.0001 Error 374 218.35 Whitlow, 2007 Replicate effect 2 29.96 0.32 0.7230 0.94 18.96 Genotype effect 187 2725.64 29.54 <.0001 Error 363 92.27 Whitlow, 2008 Replicate effect 2 4.12 3.60 0.0283 0.90 22.87 Genotype effect 187 20.17 17.61 <.0001 Error 374 1.15 Supplementary Table 1b Analysis of variance for replicate and genotype effect for relative area under the disease progress curve for disease severity values analyzed for each year-location.</p><p>Year, location df MS F-value P-value R2 Coefficient Effect of variance Mount Vernon, 2007 Replicate effect 2 1213.63 11.97 <.0001 0.87 21.7 Genotype effect 187 1369.80 13.51 <.0001 Error 374 101.38 Mount Vernon, 2008 Replicate effect 2 649.64 5.44 0.0047 0.79 34.70 Genotype effect 187 899.24 7.52 <.0001 Error 374 119.51 Genesee, 2007 Replicate effect 2 3077.75 32.22 <.0001 0.78 34.51 Genotype effect 187 665.01 6.96 <.0001 Error 374 95.51 Moscow, 2008 Replicate effect 2 880.62 5.98 0.0032 0.56 135.89 Genotype effect 134 202.31 1.37 0.0297 Error 149 147.30 Spillman, 2007 Replicate effect 2 4906.53 37.62 <.0001 0.53 56.54 Genotype effect 187 241.24 1.85 <.0001 Error 374 130.42 Spillman, 2008 Replicate effect 2 13097.02 116.85 <.0001 0.68 65.24 Genotype effect 185 285.15 2.54 <.0001 Error 316 112.08 Whitlow, 2007 Replicate effect 2 383.30 2.86 0.0588 0.83 43.33 Genotype effect 187 2298.70 17.12 <.0001 Error 374 134.24 Whitlow, 2008 Replicate effect 2 1301.36 7.99 0.0004 0.90 26.81 Genotype effect 187 1617.22 9.92 <.0001 Error 373 162.95 Supplementary Table 2 High-temperature adult-plant resistance infection type (IT) and disease severity (DS) ratings for four spring wheat lines containing the QTL QYrlo.wpg.2BS identified from the cultivar Louise and one susceptible check cultivar. Data was collected at multiple locations over four years.</p><p>Louise WA8089 WA8090 Wakanz Lemhia Year Location Feekes Stage ITb DS IT DS IT DS IT DS IT DS 2008 Walla Walla, WA 11.1 3 20 3 5 1 5 3 20 8 5 Mount Vernon, WA 5 1 1 1 5 8 20 1 5 8 50 Mount Vernon, WA 10.54 3 20 3 5 3 20 2 10 9 100 Whitlow Farmc 11.1 3 5 3 5 1 1 2 5 8 90 Plant Pathology Farm 11.1 2 5 2 5 2 1 2 1 8 100 Spillman Farm 10.5 0 0 0 0 0 0 1 5 8 70 Spillman Farm 10.54 2 2 2 2 2 2 2 2 8 90</p><p>2007 Mount Vernon, WA 5 5 10 2 20 2 10 -d - 8 30 Mount Vernon, WA 11.1 3 30 3 30 3 30 - - 8 80 Whitlow Farm 10.54 3 5 5 40 5 20 - - 8 80 Spillman Farm 10.5 0 0 0 0 0 0 - - 8 50 Spillman Farm 10.54 3 5 3 5 1 1 - - 8 80</p><p>2006 Spillman Farm 10.5 2 5 2 2 0 0 - - - - Spillman Farm 10.54 2 5 2 2 2 1 - - - -</p><p>2005 Spillman Farm 10.5 2 15 3 15 2 10 - - - - Spillman Farm 10.54 2 20 2 20 2 15 - - - - a Susceptible spring wheat check cultivar b IT scored on a scale of 0-9; DS scored on a scale of 0-100% c Whitlow Farm, Plant Pathology Farm, and Spillman Farm are all located near Pullman, WA d Cultivars not included in these trials</p>