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Sunset is a dual-purpose birdseed and oilseed safflower cultivar, averaging 35% oil content in the semi-arid zone of the Canadian prairies. AC Sunset outyields Saffire in both seed yield and oil content and is comparable to AC Stirling for these attributes. AC Sunset matures up to 5 d earlier than AC Stirling, and the level of sclerotinia head rot of AC Sunset is generally well below 10%, whereas in AC Stirling levels over 10% have been generally recorded. Both maturity and head rot levels in AC Sunset are comparable to those of Saffire. Flower colour of AC Sunset is orange-red, as for Saffire.