b'REGIONAL VARIETY TRIALSVarieties of Cereal andFlax for AlbertaTHIS ANNUAL PUBLICATIONprovides information on cerealImpact of Growing Season on Data Quality and flax variety performance in Alberta. Important agronomicYearly trial results are greatly impacted by the growing season characteristics and disease resistance information is provided forconditions. The 2023 growing season started off dry, but timely varieties of wheat, barley, oat, rye, triticale and flax. The Albertarains resulted in generally good growing conditions at most regional variety trial (RVT) program for cereals and flax islocations. Some sites suffered from the early season dryness coordinated by the Alberta Regional Variety Advisory Committeeresulting in the loss of data from some sites. The per cent of useable (ARVAC) and Alberta Grains. The information and tables aredata from the 2023 CWRS was 80 per cent, CPSR/SWS/SP was prepared, reviewed and approved by ARVAC.69 per cent, CWAD was 43 per cent, winter wheat was 40 per Funding for the program is generously provided by public andcent, barley was 77 per cent, oat was 80 per cent, flax was 50 per private industry groups: cent, and triticale was 60 per cent. Overall, 66 per cent of the 2023Alberta Grains regional variety trial data was useable for inclusion in the JanuaryAlberta Oat Growers Association 2024 table publication. Alberta-British Columbia Seed Growers Alberta Seed Processors Crop Coordinators Results Driven Agriculture Research Crop coordinators are specialists in the crop type they coordinateWestern Grains Research Foundation and are often a plant breeder or experienced technician working inSeed companies that pay annual entry fees as program entrants the crop. The Alberta RVT crop coordinators for 2023 field season Data from the 2023 growing season, for this publication,were:comes from various sources:Regional variety trial coordinatorS. Strydhorst Agriculture and Agri-Food CanadaSpring wheatH. Randhawa and R. Cuthbert Alberta Innovates Technology FuturesBarleyY. Kabeta Chinook Applied Research Association (CARA)OatsK. Nilsen Gateway Research Organization (GRO)Spring triticaleM. Aljarrah Lakeland Applied Research Association (LARA)Winter wheat: H. Sidhu Lakeland CollegeFall ryeR. Ragupathy and S. Strydhorst McKenzie Applied Research Association (MARA)FlaxB. Taran Nutrien Ag Solutions Sincere thanks are extended to all individuals and organizationsOlds CollegeField Crop Development Centre who contribute to this publication.Prairie Grain Development Committee SARDA Ag Research Varieties Reported in the Tables University of Alberta A variety must be registered by the Canadian Food Inspection Starting in 2022, registration data going back to 2018, wasAgency (CFIA) to appear in the tables and footnotes. Publication incorporated into the RVT database from Alberta sites andof variety performance normally occurs after two years of RVT Saskatchewan sites with growing conditions similar to Alberta.testing; however, entries are accepted with the understanding that Registration data for disease resistance ratings have always beenRVT testing will occur for at least three years. used for the Alberta Seed Guide. Moving forward, all tables includeVarieties without pedigreed seed production in Alberta within maturity, lodging, test weight, thousand kernel weight, protein,the past two years, following five years of full registration to and yield data with appropriate checks and newly registeredfacilitate adoption, and/or if the variety has dropped below one per varieties, from relevant Alberta and Saskatchewan registrationcent of the commercial acreage of the crop kind (or market class) in sites. This registration data is included along with Alberta RVT sitethe province (based on AFSC crop insurance data) will be flagged data in Albertas historical databases which are used to generate thefor removal from the tables. After the variety has been flagged for Alberta Seed Guide tables.removal for one year, it may be removed from the tables unless an 54seed.ab.ca'