Annual stem rust race surveys

1
Annual stem rust race surveys
Yue Jin Lucy Wanschuwa Dave Long Jerry
Ochocki Jim Kolmer Mark Hughes Collaborators
2
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
3
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 (29Pga) 6 LA,
TX TJN (30Pga) 5 TX, IA TJS (67Pga)
9 FL, LA, AL, TX
4
Barberry in MN
2003
5
Barberry stem rust infections in SE MN
Stem rust samples from barberry from MN, WI, NY
were not Pgt or Pga
6
Race TTKS distribution
In 2006, TTKS was detected in Yemen and in Sudan
Stem rust race TTKS in Kenya in 2004 was
identical to Ug99
Wanyera, Kinyua, Jin, Singh 2006 Plant Dis 90113
Ug99 was discovered in Uganda in 1999, 1st known
race virulent on Sr31
Singh, Hodson, Jin, Huerta-Espino, Kinyua,
Wanyera, Njau, Ward 2006 CAB Review
Pretorius, Singh, Wagoire, Payne 2000 Plant Dis
84203
7
Ug99 on SR differentials

• Set Line Sr gene 05KEN156 98UGA1
• 1 ISr5Ra 5 4 4 T.m.deri. 21 3 3
• Verstein 9e 4 4
• ISr7bRa 7b 3 3
• 2 ISr11Ra 11 4 4
• ISr6Ra 6 4 4
• ISr8Ra 8a 4 4
• CnsSr9g 9g 4 4
• 3 W2691SrTt-1 36 0 0
• W2691Sr9b 9b 4 4
• BtSr30Wst 30 4 3
• Comb. VII 1713 2 2
• 4 ISr9aRa 9a 4 4
• ISr9dRa 9d 4 4
• W2691Sr10 10 4 4
• CnsSrTmp Tmp 2 2

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