Uganda Pathotype Frequency Graph

This pathotype information tool, developed by the University of Aarhus Denmark, displays the frequency of Ug99 lineage pathotypes in analysed samples. Selection of any specific combination of country(s) or year(s) is possible. Any new data incorporated into the underlying database … Continue reading

Uganda Survey Mapper

The Country Survey Mapper tool, developed by the University of Aarhus Denmark, displays rust field survey data. Selection of any specific combination of year and disease is possible. Any new data incorporated into the underlying database will automatically be displayed … Continue reading

Uganda Virulence Graph

The Virulence by Country tool, developed by the University of Aarhus Denmark, displays the frequency of virulence to specific combinations of Sr genes in analysed samples over time for a selected country. Selection of any Ug99 lineage race or specific … Continue reading

Uganda

Rust Issues: Stem and yellow rust are serious constraints to wheat production. Ug99 Status: Ug99 (Race TTKSK) was first detected in 1998, but formally identified in 1999 (Pretorius et al., 2000). Ug99 race group members – TTKST, TTTSK and TTKSF … Continue reading

Dec 20, 2015: Five new variants of Ug99 confirmed from 2013/2014 samples in East Africa

Combined results from race analysis undertaken at several different labs indicate that five new variants in the Ug99 lineage were detected from samples collected in East Africa during 2013 or 2014. Probably most significant were the two new SrTmp variants … Continue reading

Sep 2, 2015: Emergence and spread of virulence to SrTmp in the Ug99 race group in Africa – note published in Plant Disease

Mehran Patpour (Global Rust Reference Center in Denmark) and co-authors have just published details of the emergence and spread of virulence to SrTmp in the Ug99 race group in Africa. The note is now available as a First Look in … Continue reading

Alert – Jan 9, 2015: Summary of Ethiopia 2014/15 rust situation. Re-current, localized stem rust epidemics caused by race TKTTF (“Digalu” race) in Ethiopia. Extreme caution and vigilance needed in East Africa

Following the localized stem rust epidemics in Ethiopia on the cultivar “Digalu” in 2013/14 (see report 23rd Dec 2013); continued, severe stem rust outbreaks have been observed in the 2014/15 main season. Once again the popular cultivar “Digalu” has been … Continue reading