Predominant Pathotype(s): QFCSC Effective Sr Genes: … Continue reading
Search Results for: "race analysis"
Differential sets are a vital component of race analysis. The aim is to have a set of differential varieties, ideally each with a different single resistance gene, which can distinguish races by their qualitative differences in reactions to different pathogen … Continue reading
Wheat rust surveys were undertaken by the Crop Breeding Institute and Plant Protection Research Institute throughout the key wheat growing areas of Zimbabwe during the period 19th – 24th September 2011. The primary focus of the surveys was to assess … Continue reading
Extensive wheat rust surveys were undertaken by several research institutes in Pakistan during March to May 2011. The surveys covered all the major wheat growing areas from Sindh province in the south to the northern plains. A total of 56 … Continue reading
Survey updates – East Africa Kenya: stem rust incidence and severity remains high in Kenya. Expanded surveys (Aug-Sept 2010) by KARI, Njoro staff in the Central and North Rift regions recorded stem rust in 70% of the 122 fields surveyed. … Continue reading
Survey updates – East Africa Kenya: stem rust incidence and severity is very high in Kenya. Recent surveys (June 2010) by KARI,Njoro staff in the Narok region recorded stem rust in 80% of the 109 fields surveyed. Stem rust severity … Continue reading
Ethiopia: Results of the field surveys undertaken in Sep-Dec 2009 were received. Very comprehensive surveys were undertaken covering virtually all the main wheat growing areas. A total of 877 locations were surveyed. Thirty-five percent of the locations were infected by … Continue reading
East Africa: In Uganda, high incidence and severity of wheat stem rust have been reported in late August throughout the wheat growing regions. In Kenya, despite drought in many areas, wheat stem rust has been recorded throughout the wheat areas. … Continue reading
Unusual and severe epidemics of yellow rust were observed on several continents in 2017. In a number of cases, epidemic sites at different continents were inter-related by prevalence of genetically identical yellow rust genotypes and races. Key highlights South America: … Continue reading
Favourable weather conditions for stripe rust are occurring across North Africa to South Asia. Cool, wet conditions across many parts of the region are producing a conducive environment for disease outbreaks. Aggressive races with virulence to Yr27 are known to … Continue reading