Data Source: USDA-ARS CDL, Minnesota Predominant Pathotype(s): TTKSK (Ug99) Effective Sr Genes: SrTmp, Sr24 Ineffective Sr Genes: Sr5, Sr21, Sr9e, Sr7b, Sr11, Sr6, Sr8a, Sr9g, Sr36, Sr9b, Sr30, Sr17, Sr9a, Sr9d, Sr10, Sr31, Sr38, SrMcN … Continue reading
Search Results for: "Rwanda"
Following the recent surveys and sampling in Rwanda by the Rwanda Agriculture Board (RAB), wheat program and CIMMYT-Ethiopia during the period 27th Jan – 1st Feb 2014; two known Ug99 races have now been identified. Molecular diagnostic assays carried out … Continue reading
During the period 27th Jan – 1st Feb 2014 scientists from the Rwanda Agriculture Board (RAB), wheat program and CIMMYT-Ethiopia conducted wheat rust surveys and sampling in wheat growing areas of the Northern and Southern provinces. These surveys led by … Continue reading
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
[advanced_iframe securitykey=”da39a3ee5e6b4b0d3255bfef95601890afd80709″ src=”http://wheatatlas.org/rusttracker/production/RWA” width=”300″ height=”190″] Rust Issues: Yellow rust and stem rust are serious constraints to wheat production. Ug99 Status: Two Ug99 lineage races have currently been detected in Rwanda. Race TTKSK (Ug99) and race TTTSK (Ug99+Sr36) were detected … Continue reading
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
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
Following the recent release of the 2013 stripe rust report, the Global Rust Reference Center in Denmark has now just published the latest report detailing the results of race analysis for Puccinia striifromis samples submitted during the period January – … Continue reading
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
A severe, localised stem rust epidemic has broken out in southern Ethiopia during November-December 2013. The districts of Agarfa and Gasera in Bale zone are the most seriously affected, but some spread into other areas is now being reported. The … Continue reading