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
Search Results for: "TKTTF"
The Digalu race (race TKTTF) is not part of the Ug99 race group; it is genetically unrelated. This race has been known from Turkey since at least 2005 and it is widely distributed in the Middle East region. It is … 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
The Turkey-ICARDA Cereal Rust Biosafety Laboratory (CRBL) become operational after the official inauguration of Regional Cereal Rust Research center (RCRRC) on May 30, 2018. Following the inauguration, the CRBL has received official import permits from Food and Control Directorate of … Continue reading
Rust surveys undertaken in Azerbaijan by Konul Aslanova and colleagues from the Azerbaijan Agricultural Research Institute of Crop Husbandry in May/June 2015. Of the 11 widely dispersed sites surveyed, stem rust was observed at 6 sites (55%). High or moderate … Continue reading
Race analysis undertaken by EIAR, Ambo, GRRC, Denmark and USDA-ARS CDL on samples collected in 2015 from Ethiopia and Kenya indicates that stem rust populations in East Africa are changing. The detection of race TKTTF (“Digalu” race) in Ethiopia in … Continue reading
Data Source: AAFC Cereals Research Center, Winnipeg, Canada; USDA-ARS Cereals Disease Lab, MInnesota, USA Predominant Pathotype(s): JRCQC – a durum wheat race also known in Ethiopia. Three Ug99 Race group members: PTKST, TTKST, TTKSK have been recorded. TKTTF (Digalu race) … Continue reading
Data Sources: EIAR Ambo PPRC, Ethiopia; AAFC, Winnipeg, Canada; USDA-ARS, CDL, Minnesota, USA Predominant Pathotype(s): TTKSK (Ug99), since 2014 replaced by TKTTF (Digalu race) Effective Sr Genes: Ineffective Sr Genes: Sr5, Sr21, Sr9e, Sr7b, Sr11, Sr6, Sr8a, Sr9g, Sr36, Sr9b, … Continue reading
[advanced_iframe securitykey=”da39a3ee5e6b4b0d3255bfef95601890afd80709″ src=”http://wheatatlas.org/rusttracker/production/ETH” width=”300″ height=”190″] Rust Issues: Both stem and yellow rust are serious constraints to wheat production. In 1993/94 the popular variety Enkoy broke down to stem rust and epidemics occurred. In 2010/11 severe yellow rust epidemics were observed … Continue reading