Annual stem rust race surveys
Yue JinLucy Wanschuwa
Dave LongJerry OchockiJim Kolmer
Mark Hughes
Collaborators
Wheat Stem Rust--2006 survey results
Race # of isolates State
QFCS 25 LA, GA, TX, MN, SD, ND, ID
MCCD 1 LA
TTTT 1 LA
Uncertain 2 TX, ID
Oat Stem Rust--2006 survey results
Race NA race # isol State
DBD 5 2 CA
TGB 27 2 CA, LA
TGD 29 6 LA, TX, WI, MN, SD
TJD 30 2 TX, MN
TJJ 67 5 TX, IA, MN
TGN (29+Pga) 6 LA, TX
TJN (30+Pga) 5 TX, IA
TJS (67+Pga) 9 FL, LA, AL, TX
Barberry & stem rust infections in SE MN
Stem rust samples from barberry from MN, WI, & NY were not Pgt or Pga
Wanyera, Kinyua, Jin, Singh 2006 Plant Dis 90:113
Pretorius, Singh, Wagoire, Payne 2000 Plant Dis 84:203
Singh, Hodson, Jin, Huerta-Espino, Kinyua, Wanyera, Njau, Ward 2006 CAB Review
Race TTKS distribution
Ug99 was discovered in Ugandain 1999, 1st known race virulent on Sr31
Stem rust race TTKS in Kenya in 2004 was identical to Ug99
In 2006, TTKS was detected in Yemenand in Sudan
Ug99 on SR differentials Set Line Sr gene 05KEN156
98UGA1
1ISr5Ra 5 44 T.m.deri. 21
3+ 3+Verstein 9e 44
ISr7bRa 7b 33+
2ISr11Ra 11 44
ISr6Ra 6 44
ISr8Ra 8a 44
CnsSr9g 9g 44
3W2691SrTt-1 36 00
W2691Sr9b 9b 44
BtSr30Wst 30 43+Comb. VII 17+13 2++2++
4ISr9aRa 9a 44
ISr9dRa 9d 44
W2691Sr10 10 44
CnsSrTmp Tmp 2+2+
Race: TTKS TTKS
B R R R R
C R R R S
D R R S R
F R R S S
G R S R R
H R S R S
J R S S R
K R S S S
L S R R R
M S R R S
N S R S R
P S R S S
Q S S R R
R S S R S
S S S S R
T S S S S