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: stem rust
New, ground-breaking stem rust research is highlighted in the prestigious journal Science published on Dec 22 2017. A perspective entitled “The Quest for Durable Resistance” by Matthew J. Moscou and Peter van Esse provides context and outlines the significance of … Continue reading
Scientists at the Swedish University of Agricultural Sciences (SLU) are reporting that stem rust has returned to Sweden. In a recently released press release, lead researcher Anna Berlin from the Department of Forest Mycology and Plant Pathology outlines an unusually … Continue reading
A team of scientists from Ecuador, Canada and the USA recently published on the detection of race RRTTF based on samples collected in Ecuador in February 2016. The study led by Dr Charlie Barnes from the Instituto Nacional de Investigaciones … Continue reading
By: Dave Hodson, Mogens Hovmøller, Alexey Morgunov, Elena Salina and Vladimir Shamanin 3 September 2017 During the period 14-18th Aug 2017 a field trip was made to the Omsk, Novosibirsk and Altai Krai regions of Western Siberia, Russian Federation by … Continue reading
Results of extensive lab tests of samples of stem rust have shown that the 2016 stem rust epidemics in Sicily were caused by a new, highly virulent variant of race TTTTF. The samples were collected during serious and unusual outbreaks … Continue reading
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
The latest version of the Mehtaensis newsletter (a 6 monthly newsletter named after Prof. K.C. Mehta) has just been published by the IIWBR, Regional Station, Flowerdale, Shimla. Compiled and edited by Dr. S.C. Bhardwaj, O.P. Gangwar, Pramod Prasad and Hanif … 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