Out of Uganda: An Aggressive Crop Killer That Threatens Global Food Fungal disease in wheat crops has been a serious but controllable problem, but a newer strain of what’s called “stem rust” has scientists worried. January 8, 2018 by Kerstin … Continue reading
Tag Archives: Kenya
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
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
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
Combined results from race analysis undertaken at several different labs indicate that five new variants in the Ug99 lineage were detected from samples collected in East Africa during 2013 or 2014. Probably most significant were the two new SrTmp variants … Continue reading
Mehran Patpour (Global Rust Reference Center in Denmark) and co-authors have just published details of the emergence and spread of virulence to SrTmp in the Ug99 race group in Africa. The note is now available as a First Look in … 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
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