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Annual stem rust race surveys Yue Jin Lucy Wanschuwa Dave Long Jerry Ochocki Jim Kolmer Mark Hughes Collaborators.

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Presentation on theme: "Annual stem rust race surveys Yue Jin Lucy Wanschuwa Dave Long Jerry Ochocki Jim Kolmer Mark Hughes Collaborators."— Presentation transcript:

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 isolatesState QFCS25LA, GA, TX, MN, SD, ND, ID MCCD1LA TTTT1LA Uncertain2TX, ID

3 Oat Stem Rust--2006 survey results RaceNA race# isolState DBD52CA TGB272CA, LA TGD296LA, TX, WI, MN, SD TJD302TX, MN TJJ675TX, IA, MN TGN(29+Pga)6LA, TX TJN (30+Pga) 5TX, IA TJS (67+Pga) 9FL, LA, AL, TX

4 2003 Barberry in MN

5 Barberry & stem rust infections in SE MN Stem rust samples from barberry from MN, WI, & NY were not Pgt or Pga

6 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 Uganda in 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 Yemen and in Sudan

7 Ug99 on SR differentials SetLineSr gene 05KEN15698UGA1 1ISr5Ra544 T.m.deri.213+3+ Verstein9e44 ISr7bRa7b33+ 2ISr11Ra1144 ISr6Ra644 ISr8Ra8a44 CnsSr9g9g44 3W2691SrTt-13600 W2691Sr9b9b44 BtSr30Wst3043+ Comb. VII17+132++2++ 4ISr9aRa9a44 ISr9dRa9d44 W2691Sr101044 CnsSrTmpTmp2+2+ Race:TTKSTTKS BRRRRCRRRSDRRSRFRRSSGRSRRHRSRSJRSSRKRSSSLSRRRMSRRSNSRSRPSRSSQSSRRRSSRSSSSSRTSSSSBRRRRCRRRSDRRSRFRRSSGRSRRHRSRSJRSSRKRSSSLSRRRMSRRSNSRSRPSRSSQSSRRRSSRSSSSSRTSSSS


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