Items from the United States - Minnesota - Table 3.

Table 3. Virulence frequencies (%) of Puccinia triticina in the U.S. in 2005 to 20 differential lines of Thatcher wheat with leaf rust-resistance genes. Areas are described in Figure 3.
 Resistance gene  SE  NE  OH Valley  TX - OK  KS - NE  MN SD ND  CA  WA  U.S. Total
 #  %  #  %  #  %  #  %  #  %  #  %  #  %  #  %  #  %
 Lr1 157 99.5 24  100.0 27 100.0 220 100.0 68 100.0 271 99.5 20  100.0 8 100.0 551 69.1
 Lr2a 70 44.3 8 33.3 17 63.0 134 60.9 47 69.1 218 80.1 0 0.0 0 0.0 494 62.0
 Lr2c 70 44.3 8 33.3 17 63.0 134 60.9 47 69.1 218 80.1 0 0.0 0 0.0 494 62.0
 Lr3 157 99.4 24 100.0 27 100.0 215 97.7 66 97.1 270 99.3 20 100.0 8 100.0 787 98.7
 Lr9 21 13.3 4 16.7 4 14.8 58 26.4 12 17.6 23 8.5 0 0.0 0 0.0 122 15.3
 Lr16 6 3.8 0 0.0 2 7.4 2 0.9 5 7.4 117 43.0 4 20.0 0 0.0 136 17.1
 Lr24 37 23.4 10 41.7 16 59.3 155 70.5 40 58.8 185 68.0 4 20.0 0 0.0 447 56.1
 Lr26 82 51.9 16 66.7 10 37.0 88 40.0 16 23.5 58 21.3 11 55.0 1 12.5 282 35.4
 Lr3ka 95 60.1 6 25.0 5 18.5 84 38.2 15 22.1 48 17.6 6 30.0 0 0.0 259 32.5
 Lr11 102 64.6 8 33.3 2 7.4 54 24.5 10 14.7 22 8.1 2 10.0 4 50.0 204 25.6
 Lr17 38 24.1 12 50.0 10 37.0 96 43.6 23 33.8 134 49.3 20 100.0 6 75.0 339 42.5
 Lr30 91 57.6 6 25.0 5 18.5 82 37.3 15 22.1 48 17.6 4 20.0 0 0.0 251 31.5
 LrB 35 22.2 12 50.0 10 37.0 90 40.9 19 27.9 62 22.8 18 90.0 2 25.0 248 31.1
 Lr10 157 99.4 24 100.0 25 92.6 214 97.3 66 97.1 268 98.5 20 100.0 8 100.0 782 98.1
 Lr14a 144 91.1 24 100.0 21 77.8 169 76.8 43 63.2 140 51.5 20 100.0 8 100.0 569 71.4
 Lr18 71 44.9 2 8.3 2 7.4 3 1.4 2 2.9 3 1.1 0 0.0 0 0.0 83 10.4
 Lr21 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
 Lr28 122 77.2 12 50.0 17 63.0 133 60.5 47 69.1 220 80.9 2 10.0 7 87.5 560 70.3
 Lr41 11 7.0 4 16.7 0 0.0 47 21.4 5 7.4 16 5.9 0 0.0 0 0.0 83 10.4
 Lr42 22 13.9 2 8.3 7 25.9 96 43.6 26 38.2 151 55.5 4 20.0 0 0.0 308 38.6
 Total 158   24   27   220   68   272   20   8   797