Eritrea Stem Rust Pathotypes

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

Survey Forms & Protocols

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

Contact

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

Ug99 Effective Sr Genes

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

Pathotype Tracker – Where is Ug99?

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