In 2016 surveys were carried out in all the four key wheat growing regions: South Rift (June, July), Mount Kenya region (July), and North Rift (September) and Central Rift (part of August and September). A total of 304 farms were … Continue reading
Search Results for: "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
The following is extracted from the BGRI Newsletter Special Edition, 3rd April 2015: Kenyan Variety Robin Overcome by Two New Ug99 Variants A popular wheat cultivar, Robin, sustained severe damage in some farmers’ fields by stem rust in the 2014 … Continue reading
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
During 2013 (Jan-Sept.) staff from KARI, Njoro, led by Ruth Wanyera, carried out extensive annual rust surveys throughout the Kenyan wheat growing areas. A total of 333 fields were surveyed for rusts. stem rust continues to be the predominant disease … Continue reading
These maps were created using all years of survey data (2007-2011). They illustrate hot-spots of disease severity. The following two approaches were taken to create the maps: Map 1. Geo-statistical Hot-spots:The Getis-Ord Gi* statistic was calculated on the survey data … Continue reading
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
The Virulence by Country tool, developed by the University of Aarhus Denmark, displays the frequency of virulence to specific combinations of Sr genes in analysed samples over time for a selected country. Selection of any Ug99 lineage race or specific … Continue reading
Predominant Pathotype(s): TTKST, PTKST – Both Ug99 lineage races, combined virulence to Sr31 and Sr24 Effective Sr Genes: Sr2, 13, 14, 22, 25, 26, 27, 28, 29, 32, 33, 35, 37, 39, 40, 44, 1A.1R, Tmp … Continue reading