Syria 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


Rust Issues: Yellow rust is the primary constraint. Epidemics occured in 2009 and 2010, with the major variety Cham 7 severly affected. Aggressive races with Yr27+ virulence were implicated in the epidemics. Ug99 Status: No Ug99 lineage races have been … Continue reading

June 30, 2010: Syria rust survey summary – Major yellow rust epidemic with mega-cultivar Cham-8 very susceptible

Following early indications of a major yellow rust outbreak and high susceptibility of meg-cultivar Cham-8, the Syrian Agricultural Research Programme in collaboration with ICARDA undertook a massive rust survey effort in 2010. A total of 546 fields were surveyed, covering … Continue reading

9 April 2015: CAUTION – Increased vigilance needed in eastern Mediterranean countries following confirmation of Ug99 (race TTKSK) in Egypt

Following the confirmed detection of Ug99 (race TTKSK) in Egypt in 2014 (BGRI special newsletter report April 2015) increased vigilance is needed for stem rust in the eastern Mediterranean. Although no confirmed reports of race TTKSK have been obtained from … Continue reading

Differential Sets

Differential sets are a vital component of race analysis. The aim is to have a set of differential varieties, ideally each with a different single resistance gene, which can distinguish races by their qualitative differences in reactions to different pathogen … Continue reading