Table 2. Races of Puccinia triticina
in the U.S. in 2004 determined by virulence to 16 near-isogenic
lines of Thatcher wheat with leaf rust-resistance genes. Area
1 includes the U.S. states of AL, AR, FL, GA, LA, MS, NC, and
SC; Area 2, DE, MD, NJ, NY, PA, VA, and WV; Area 3, IL, IN, KY,
MI, MO, OH, TN, and WI; Area 4, NM, OK, and TX; Area 5, CO, IA,
KS, and NE; Area 6, MN, MT, ND, SD, and WY; Area 7, CA, and UT;
and Area 8, ID, OR, and WA (See Figure 2). Differentials used:
1,2a,2c,3,9,16,24,26,3ka,11,17,30,B,10,14a,18. An * indicates
less than 0.6 %.
Race |
Virulence
combination (inneffective Lr genes) |
Area 1 |
Area 2 |
Area 3 |
Area 4 |
Area 5 |
Area 6 |
Area 7 |
Area 8 |
U.S. Total |
# |
% |
# |
% |
# |
% |
# |
% |
# |
% |
# |
% |
# |
% |
# |
% |
# |
% |
BBBD |
14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
BBBG |
10 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
17 |
2 |
0.3 |
CBBG |
3,10 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0.1 |
CLDS |
3,9,17,B,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
0.4 |
KBBG |
2a,2c,3,10 |
0 |
0 |
0 |
0 |
1 |
2 |
6 |
3 |
5 |
3 |
63 |
26 |
0 |
0 |
1 |
8 |
76 |
10.0 |
KBBJ |
2a,2c,3,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
2 |
4 |
2 |
9 |
4 |
0 |
0 |
0 |
0 |
17 |
2.2 |
KCBJ |
2a,2c,3,26,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
KDBG |
2a,2c,3,24,10 |
0 |
0 |
0 |
0 |
0 |
0 |
8 |
5 |
4 |
2 |
2 |
1 |
0 |
0 |
0 |
0 |
14 |
1.8 |
KDBJ |
2a,2c,3,24,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
2 |
0 |
0 |
0 |
0 |
0 |
4 |
0.5 |
KDDG |
2a,2c,3,24,17,10 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
0.5 |
KDDJ |
2a,2c,3,24,17,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
0.5 |
KFBJ |
2a,2c,3,24,26,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
0.4 |
KGBG |
2a,2c,3,16,10 |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
2 |
1 |
11 |
5 |
0 |
0 |
0 |
0 |
14 |
1.8 |
KGBJ |
2a,2c,3,16,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
1 |
8 |
3 |
0 |
0 |
0 |
0 |
11 |
1.4 |
KJBJ |
2a,2c,3,16,24,10,14a |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0.1 |
MBDS |
1,3,17,B,10,14a |
7 |
7 |
1 |
7 |
5 |
12 |
32 |
18 |
16 |
9 |
15 |
6 |
0 |
0 |
3 |
25 |
79 |
10.4 |
MBGJ |
1,3,11,10,14a |
2 |
2 |
0 |
0 |
4 |
10 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
6 |
0.8 |
MBRJ |
1,3,3ka,11,30,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
* |
0 |
0 |
0 |
0 |
2 |
0.3 |
MBRK |
1,3,3ka,11,30,10,14a,18 |
2 |
2 |
0 |
0 |
1 |
2 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
5 |
0.7 |
MCDS |
1,3,26,17,B,10,14a |
3 |
3 |
4 |
29 |
21 |
50 |
16 |
9 |
21 |
12 |
32 |
13 |
2 |
67 |
3 |
25 |
102 |
13.4 |
MCRK |
1,3,26,3ka,11,30,10,14a,18 |
29 |
29 |
3 |
21 |
2 |
5 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
36 |
4.7 |
MDBJ |
1,3,24,10,14a |
1 |
1 |
0 |
0 |
0 |
0 |
5 |
3 |
2 |
1 |
2 |
1 |
0 |
0 |
0 |
0 |
10 |
1.3 |
MDDS |
1,3,24,17,B,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
MFBJ |
1,3,24,26,10,14a |
0 |
0 |
0 |
0 |
2 |
5 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
MFDS |
1,3,24,26,17,B,10,14a |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
MHDS |
1,3,9,16,26,17,B,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
8 |
1 |
0.1 |
MLDS |
1,3,9,17,B,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
13 |
7 |
3 |
2 |
2 |
1 |
0 |
0 |
0 |
0 |
18 |
2.4 |
SBDD |
1,2a,2c,17,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
* |
0 |
0 |
0 |
0 |
1 |
0.1 |
TBBF |
1,2a,2c,3,14a,18 |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0.1 |
TBBG |
1,2a,2c,3,10 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
2 |
1 |
0 |
0 |
2 |
17 |
6 |
0.9 |
TBBJ |
1,2a,2c,3,10,14a |
8 |
8 |
0 |
0 |
0 |
0 |
16 |
9 |
15 |
9 |
7 |
3 |
0 |
0 |
0 |
0 |
46 |
6.0 |
TBDS |
1,2a,2c,3,17,B,10,14a |
2 |
2 |
0 |
0 |
0 |
0 |
5 |
3 |
21 |
12 |
17 |
7 |
0 |
0 |
0 |
0 |
45 |
5.9 |
TBRJ |
1,2a,2c,3,3ka,11,30,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
0.4 |
TBTJ |
1,2a,2c,3,3ka,11,17,30,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
2 |
0.3 |
TCBJ |
1,2a,2c,3,26,10,14a |
0 |
0 |
2 |
14 |
0 |
0 |
0 |
0 |
10 |
6 |
0 |
0 |
0 |
0 |
0 |
0 |
12 |
1.6 |
TCDS |
1,2a,2c,3,26,17,B,10,14a |
4 |
4 |
4 |
29 |
2 |
5 |
0 |
0 |
28 |
16 |
13 |
5 |
0 |
0 |
0 |
0 |
51 |
6.7 |
TCGJ |
1,2a,2c,3,26,11,10,14a |
7 |
7 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
7 |
0.9 |
TCRK |
1,2a,2c,3,26,3ka,11,30,10,14a,18 |
4 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
0.5 |
TCTB |
1,2a,2c,3,26,3ka,11,17,30 |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
TCTD |
1,2a,2c,3,26,3ka,11,17,30,14a |
4 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
0.5 |
TCTG |
1,2a,2c,3,26,3ka,11,17,30,10 |
3 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
0.4 |
TDBJ |
1,2a,2c,3,24,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
6 |
3 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
7 |
0.9 |
TDDS |
1,2a,2c,3,24,17,B,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0.1 |
TGBJ |
1,2a,2c,3,16,10,14a |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
2 |
0 |
0 |
0 |
0 |
6 |
0.8 |
THBJ |
1,2a,2c,3,16,26,10,14a |
2 |
2 |
0 |
0 |
0 |
0 |
8 |
5 |
3 |
2 |
17 |
7 |
0 |
0 |
0 |
0 |
30 |
3.9 |
TJBJ |
1,2a,2c,3,16,24,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
2 |
0.3 |
TLGJ |
1,2a,2c,3,9,11,10,14a |
10 |
10 |
0 |
0 |
1 |
2 |
6 |
3 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
19 |
2.5 |
TLRJ |
1,2a,2c,3,9,3ka,11,30,10,14a |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0.3 |
TNBJ |
1,2a,2c,3,9,24,10,14a |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
2 |
2 |
1 |
1 |
33 |
0 |
0 |
9 |
1.2 |
TNRJ |
1,2a,2c,3,9,24,3ka,11,30,10,14a |
5 |
5 |
0 |
0 |
0 |
0 |
32 |
18 |
13 |
8 |
27 |
11 |
0 |
0 |
0 |
0 |
77 |
10.1 |
Total |
|
101 |
|
14 |
|
42 |
|
177 |
|
172 |
|
242 |
|
3 |
|
12 |
|
763 |
|