Stem Rust Tools – Maps and Charts

A series of display tool have been created by the Global Rust Reference Center, Aarhus University. These tools permit analysis and display of information relating to the historical and current distribution and importance of stem rust, leaf rust and yellow … 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

October 27, 2014: Kenya 2014 Rust Surveys- High Level of stem rust; Yellow rust and Leaf rust at low levels

Rust surveys were carried out in all the four key wheat growing regions of Kenya: South Rift, Mount Kenya region, Central Rift and North Rift. The surveys were conducted by experts from the Kenyan Agricultural Research Institution (KARI). A total … Continue reading

June 13, 2014: Yemen 2014 Central Highland Rust Surveys – Yellow rust and stem rust present, but at generally low levels

Rust surveys were undertaken in the central Highlands of Yemen during the period 20-25th May 2014. The surveys were undertaken by scientists from the Agricultural Research & Extension Authority (AREA), with the survey team being Musaed Eisa, Rashad Al Basha … Continue reading

Rwanda Stem Rust Pathotypes

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

May 14, 2014: Bangladesh 2014 Rust Surveys – High leaf rust pressure and the first stem rust records in three decades

Extensive annual rust surveys were undertaken throughout the wheat growing areas of Bangladesh during February-March 2014. The surveys were coordinated by Dr P.K. Malaker of the Wheat Research Centre (WRC), Dinajpur, but implemented by several collaborating stations, including; Dinajpur, Joydebpur, … 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. 18, 2013: Eritrea Survey Summary – Stem rust predominates, but conditions favourable for all three rusts

Annual rust surveys, led by Asmelash Wolday of NARI,  during the period 3-15th October 2013 covered all the main wheat growing regions of Eritrea. A total of 69 sites were surveyed (see survey map – http://rusttracker.cimmyt.org/?page_id=1518). As in previous years, … Continue reading