Flea beetles are the most economically-damaging pest of canola. Researchers at Agriculture and Agri-Food Canada initiated a project to develop canola lines with superior resistance to the crucifer flea beetle by enhancing a natural insect control system.
Modern canola varieties are derived from a relatively small subset of the genetic diversity found within available collections of Brassica napus germplasm. Intensive selection for specific quality traits has further narrowed the genetic diversity within elite breeding lines.
Clubroot, resulting from an infection by Plasmodiophora brassicae is a devastating disease of canola. Researchers initiated a five-year study in 2010 to investigate the cellular and molecular mechanisms of P. brassicae infection, and to develop molecular markers and tools for utilizing pathogen protein targets for improved resistance to clubroot disease in canola.
Clubroot, caused by the pathogen Plasmodiophora brassicae (Pb) can be a devastating disease to canola crops. Since 2009, resistant canola cultivars have been available in Canada but all of them are based on a single dominant R gene.
Researchers in Saskatchewan conducted a three-year project to identify virulence genes in the Leptosphaeria maculans genome, the pathogen that causes blackleg in canola.
Developing genetically resistant canola varieties is the best and only effective method for controlling blackleg to date. Researchers at Agriculture and Agri-Food Canada have been able to locate the resistance gene LepR4 and develop DNA based markers in close proximity to this gene.
Sclerotinia stem rot is one of the major diseases affecting canola production. New varieties of Brassica napus canola with improved levels of sclerotinia resistance are required as part of an integrated management strategy.
Although the majority of canola producers currently swath Brassica napus prior to combining, many producers would prefer to have the option to straight combine and therefore avoid the cost and time associated with swathing.
Clubroot is a serious soil-borne disease of canola caused by the pathogen Plasmodiophora brassicae. Multiple genes that can be clearly identified and stacked or rotated are required for long-term effectiveness of clubroot management toward protecting canola yield.
Researchers at the University of Saskatchewan initiated a study in 2000 to develop a non-transgenic, GMS system in canola (Brassica napus) using chemicals to restore fertility.
Sclerotinia stem rot, caused by Sclerotinia sclerotiorum, is a disease problem of canola world wide causing serious yield losses especially under wet weather conditions. Sclerotinia resistance has been a long-time goal of canola breeders and producers.
Sclerotinia stem rot, caused by Sclerotinia sclerotiorum, is a serious disease problem of canola worldwide. The long term objective for researchers at Agriculture and Agri-Food Canada is to provide the canola industry with specific resistance genes and molecular markers as a selection tool used by plant breeders for selection of stem rot resistant canola cultivars.
