Jan 12, 2016: Molecular diagnostics indicate presence of race TKTTF (“Digalu” race) in Kenya

Analysis of dead, single pustule stem rust pathogen samples (D-samples) using molecular diagnostic SNP assay at the USDA-ARS Cereals Disease Lab, Minnesota has detected a race TKTTF (“Digalu” race) genotype in Kenya for the first time. Five samples from 2014 … Continue reading

Jan19, 2015: Preliminary report for Puccinia striiformis race analysis 2013 published by Global Rust Reference Center (GRRC), Aarhus University, Denmark.

The Global Rust Reference Center in Denmark has just published the latest report detailing the results of race analysis for Puccinia striiformis samples submitted during the period January – December 2013. A total of 79 isolates were recovered from 11 … 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

ALERT – Dec 23, 2013: LOCALIZED STEM RUST EPIDEMIC IN SOUTHERN ETHIOPIA. EXTREME CAUTION AND VIGILANCE NEEDED IN EAST AFRICA AND MIDDLE EAST REGION

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

Nov. 20th, 2012: Ethiopia, Southern Region (SNNPR) survey summary – All 3 rusts widespread, but at low levels of incidence and severity

Surveys led by Dr Fikre Handero (SNNPR Agricultural Research Institute) with assistance from Dr Getaneh Woldeab (Ambo PPRC) and CIMMYT were undertaken in the mid-altitude / highland areas of SNNPR between Butajeira and Arba Minch during the period 5-10th Nov … Continue reading

July 2, 2012: Several new rust resistant varieties released in Ethiopia and Kenya

Breeding for rust resistance in East Africa is moving forward at a rapid pace. National research programs in both Ethiopia and Kenya have recently announced the formal release of several new rust resistant varieties in both countries. The Ethiopian Institute … Continue reading

June 1, 2012: Ethiopia rust survey summary, 2011 main season – Yellow rust levels remain high

Following the widespread yellow rust epidemics observed in the 2010 main season, extensive wheat rust surveys were undertaken by staff  from 13 different institutes throughout Ethiopia. These surveys were once again coordinated by Dr Getaneh Woldeab of the EIAR Ambo … Continue reading