Race surveys

 

The Cereal Disease Laboratory staff perform annual cereal rust race surveys of wheat, oat, and barley.

Wheat leaf rust race survey results (view codes used in wheat leaf rust survey databases)

For more information contact:  Jim Kolmer (Jim.Kolmer@ars.usda.gov)

• 2023
  • 2023 wheat leaf rust summary
  • Excel table of virulence survey data

• 2022
  • 2022 wheat leaf rust summary
  • Excel table of virulence survey data
• 2021
  • 2021 wheat leaf rust summary
  • Frequency of virulence and race in 2021
  • Hard red wheat cultivars grown in 2021
  • Excel table of virulence survey data
• 2020
  • 2020 wheat leaf rust summary
  • Frequency of virulence and races in 2020
  • Hard red winter wheat cultivars grown in 2020
  • Hard red spring wheat cultivars grown in 2020
  • Excel table of virulence survey data
• 2019
  • 2019 wheat leaf rust summary
    
  • Frequency of virulence and races in 2019
  • Hard red winter wheat cultivars grown in 2019
  • Hard red spring wheat cultivars grown in 2019
  • ​​Excel table of virulence survey data
• 2018
  • 2018 wheat leaf rust summary
  • Frequency of virulence and races in 2018
  • Hard red winter wheat cultivars grown in 2018
  • Hard red spring wheat cultivars grown in 2018
  • Excel table of virulence survey data
• 2017
  • 2017 wheat leaf rust summary
  • Frequency of virulence and races in 2017
• 2016
  • 2016 wheat leaf rust summary
  • Collections, isolates and races
  • Frequency of virulence and races in 2016
  • 2016 small grain losses due to rust report
• 2015
  • 2015 wheat leaf rust summary
  • Collections, isolates and races
  • Frequency of virulence and races in 2015
  • 2015 small grain losses due to rust report
• 2014
  • 2014 wheat leaf rust summary
  • Collections, isolates and races
  • Frequency of virulence and races in 2014
  • 2014 small grain losses due to rust report
• 2013
  • 2013 wheat leaf rust summary
  • Collections, isolates and races
  • Frequency of virulence and races in 2013
  • 2013 small grain losses due to rust report
• 2012
  • Collections, isolates and races
  • Frequency of virulence and races in 2012
  • 2012 small grain losses due to rust report
• 2011
  • New leaf rust races identified, 2011 survey summary
  • Collections, isolates and races
  • Frequency of virulence and races in 2011
  • 2011 small grain losses due to rust report
• 2010
  • Collections, isolates and races
  • 2010 small grain losses due to rust report
• 2009
  • Collections, isolates and races
  • Frequency of virulence and races in 2009
  • 2009 small grain losses due to rust report
• 2008
  • Collections, isolates and races 
  • Frequency of virulence and races in 2008
  • Frequency of virulence to selected Lr genes from 1996-2008.
• 2007
  • Collections, isolates and races 
  • Frequency of virulence and races in 2007
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998

Leaf rust resistance gene postulation in current U.S. wheat cultivars.

Wheat stem rust race survey results

For more information contact:Yue Jin (Yue.Jin@ars.usda.gov)

• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008

Oat crown rust race survey results (in Excel format)

For more information contact: Shahryar Kianian (Shahryar.Kianian@ars.usda.gov)

• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999

Some selected race nomenclature publications:

Puccinia coronata f. sp. avenae

• A North American system of nomenclature for Puccinia coronata f. sp. avenae.  2000.  J. Chong, Leonard, K.J. and Salmeron, J.J.
• International register of pathogenic races of Puccinia coronata var. avenae.  1964.  M.D. Simons and L.J. Michel.
• A comparison of certain combinations of oat varieities as crown rust differentials.  1955.  M.D. Simons and H.C. Murphy.
• Physiologic specialization in Puccinia coronata avenae.  1935.  H.C. Murphy.

Puccinia graminis f. sp. avenae

• Letter code system of nomenclature for Puccinia graminis f. sp. avenae.  2007.  T.G. Fetch and Y. Jin.
• Identification of new races of Puccinia graminis f. sp. avenae.  1994.  D.E. Harder.
• System of nomenclature for races of Puccinia graminis f. sp. avenae.  1979.  J.W. Martens, Roefls, A.P., McKenzie, R.I.H, Rothman, P.G., Stuthman, D.D. and Brown, P.D.
• Indentifying races of Puccinia graminis f. sp. avenae.  A modified international system.  1970.  D.M. Stewart and B.J. Roberts.
• Biologic forms of Puccinia graminis on varieties of Avena spp.  1923.  E.C. Stakman, Levine, M.N. and Bailey, D.L.

Puccinia graminis f. sp. tritici

• An international system of nomenclature for Puccinia graminis f. sp. tritici.  1988.  A.P. Roelfs and J.W. Martens.
• Races of Puccinia graminis  f. sp. tritici in the U.S.A. during 1973.
• Wheat stem rust races in the Yaqui Valley of Mexico during 1972.
• Identification of physiologic races of Puccinia graminis var. tritici.  1962.  E.C. Stakman, Stewart, D.M, and Loegering, W.Q. 

Puccinia striiformis

• Identification of stripe rust resistance genes in wheat genotypes used to differentiate North American races of Puccinia striiformis.  1992.  X. Chen and R.F. Line.
• A system for differentiating races of Puccinia striiformis in the United States.  1970.  R.F. Line, Sharp, E.L, and Powelson, R.L.

Puccinia triticina

• A North American system of nomenclature for Puccinia recondita f. sp. tritici.  1989.  D.L. Long and J.A. Kolmer.
• A proposed modification of the system of wheat leaf rust race identification and nomenclature.  1959.  A committee of North American Wheat Leaf Rust Research Workers.
• A diagnostic key for the identification of physiologic races of Puccinia rubigo-vera tritici grouped according to a unified numeration scheme.  1957.  R. Basile.

P. graminis f. sp. tritici race conversion tables

• Sample race conversions for Stakman, CRL and Pgt race codes

Related items:

• UG99 and emerging virulent stem rust race
• Germplasm evaluation performed by CDL staff
• Rust resistance genes
• Monitoring of rust spores in rain
• Guide for identifying cereal rust diseases of wheat and barley  (en espa?ol, en fran?ais)
• Race identification