Data Source: AAFC Cereals Research Center, Winnipeg, Canada; USDA-ARS Cereals Disease Lab, MInnesota, USA Predominant Pathotype(s): JRCQC – a durum wheat race also known in Ethiopia. Three Ug99 Race group members: PTKST, TTKST, TTKSK have been recorded. TKTTF (Digalu race) … Continue reading
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Standard BGRI field survey forms and protocols can be downloaded from this page. Any completed survey forms should be sent to the National Rust Surveillance Focal Point or direct to the International Focal Point: Dave Hodson, CIMMYT-Ethiopia (Email: d.hodson@cgiar.org). Any … Continue reading
For more information about the Global Cereal Rust Monitoring System. Please contact: Dave Hodson Global Cereal Rust Monitoring System, Socio-economics Program, CIMMYT-Ethiopia. Mail: ILRI/CIMMYT, PO Box 5689, Addis Ababa, Ethiopia Tel: +251 (0)116172302 Fax: +251 (11) 6172001 E-mail: d.hodson@cgiar.org … Continue reading
Effective / Ineffective stem rust Resistance Genes The following table summarizes the effective and ineffective stem rust resistance genes for races in the Ug99 lineage (based on Singh et al., 2006). TTKSK (Ug99) TTKSF TTKST (Ug99 + Sr24) TTTSK (Ug99 … Continue reading
Status Summary: Ug99 Lineage – September 2021 Race TTKSK (Ug99) was the first known race of P. graminis f. sp. tritici with virulence to the stem rust resistance gene Sr31. It also possesses virulence to a wide range of resistance … Continue reading
Confirmed results from race analysis completed in the 2009/10 season are now available. The confirmed spread of Ug99 variants carrying combined Sr31 + Sr24 virulence in Africa continues, along with the continued predominance of these variants in Kenya. The absence … Continue reading
East Africa: In Uganda, high incidence and severity of wheat stem rust have been reported in late August throughout the wheat growing regions. In Kenya, despite drought in many areas, wheat stem rust has been recorded throughout the wheat areas. … Continue reading