July 3, 2012: Eighth new Ug99 variant identified – Race TTKSF+ confirmed in South Africa and Zimbabwe

stem rust samples collected from Afrikaskop, Eastern Free State, South Africa in Dec. 2010 and Birchenough, Eastern Zimbabwe in Sept. 2010 have been confirmed to be a new variant in the Ug99 lineage. The confirmed findings have just been published … 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: South Africa – Latest race analysis results. Race TTKSF continues to be the predominant stem rust race in South Africa

Analysis undertaken by the Small Grains Institute, Agricultural Research Council (ARC), South Africa indicated the continued predominance of stem rust race TTKSF in South Africa. Race TTKSF is one of the Ug99 lineage races, although it is avirulent on Sr31. … 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

May 14, 2012: Initial rust surveys in Bhutan find no trace of stem rust, but both yellow and leaf rust widespread

Cereal rust surveys were undertaken by the National Plant Protection Centre, Department of Agriculture, Ministry of Agriculture and Forest, Semtokha, Thimpu, Bhutan and the Research and Development Centre, Bajo, Wangduephodrang in collaboration with the Durable Rust Resistance in Wheat (DRRW) … Continue reading

May 1, 2012: Uganda – High severity of stem rust in both the eastern and south-west regions, yellow rust in both regions

During the period 12th January 2012 to 7th February 2012 Buginyanya ZARDI staff – W.W. Wagoire (Team Leader), A. Wasukira (Pathologist), B. Chemayek and S. Wobibi with the cooperation of field staff from the wheat growing districts, undertook a wheat … Continue reading

Dec 5, 2011: Survey summary, Kenya 2011 – Stem rust predominates, but indications of effective control in some areas

Kenya: During 2011 (Jan-Sept.) staff from KARI, Njoro carried out extensive rust surveys throughout the Kenyan wheat growing areas. A total of 466 fields were surveyed for rusts. stem rust was the predominant disease recorded on the surveys; present in … Continue reading