Oct. 30th, 2012: Zimbabwe rust survey summary – Stem and Leaf rust at low levels, but indications of possible new leaf rust races

Following the widespread distribution of rusts diseases observed in 2011 main season, a survey team co-led by Mr Bruce Mutari (Crop Breeding Institute) and Mrs Mutisi (Plant Protection Research Institute) carried out surveys throughout the key wheat growing areas of … Continue reading

Zimbabwe Yellow Rust Risk Maps

These maps were created using all years of survey data (2009-2010). 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

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

Zimbabwe Stem Rust Risk Maps

These maps were created using all years of survey data (2009-2011). 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

Zimbabwe Rust Resistant Cultivars

[advanced_iframe securitykey=”da39a3ee5e6b4b0d3255bfef95601890afd80709″ src=”http://wheatatlas.org/rusttracker/resistantcultivars/ZWE” width=”600″ height=”450″]

Zimbabwe Pathotype Frequency Graph

This pathotype information tool, developed by the University of Aarhus Denmark, displays the frequency of Ug99 lineage pathotypes in analysed samples. Selection of any specific combination of country(s) or year(s) is possible. Any new data incorporated into the underlying database … Continue reading