New molecular diagnostic assays are providing rapid and useful information on the Ug99 race group in Africa. The assays have been developed by the group led by Dr Les Szabo at the USDA-ARS Cereals Disease Laboratory in St Paul, Minnesota, … Continue reading
Category Archives: Situation updates
Yemen: Wheat rust surveys undertaken by AREA, Yemen in the key wheat growing areas of the country during October 2010 to March 2011 revealed stem rust to be widespread in the highlands and western areas, but absent in the eastern … Continue reading
Three variants in the Ug99 lineage have been confirmed in stem rust samples collected in Tanzania during August 2009 by a team of Tanzanian and international scientists. Races confirmed by the USDA-ARS Cereal Disease Laboratory, St. Paul, MN, USA were; … Continue reading