Abstract
CDC Rowland, a late-maturing oilseed flax (Linum usitatissimum L.), was registered in 2018 by the Crop Development Centre, University of Saskatchewan, Saskatoon, Saskatchewan. This cultivar had a significant yield advantage (12% higher) comparable to CDC Bethune in all soil zones of the Northern Prairies. The yield of CDC Rowland was 117%, 116%, and 105% of CDC Bethune in the Black, Brown, Black and Grey soil zones of Western Canada, respectively. This cultivar has medium (44.6%) oil content, superior oil quality (IV 194.5; ALA content 59.3%), and large seed size (TSW 6.8 g) coupled with resistance to lodging. It is immune to North American rust (race 371) caused by Melampsora lini and moderately resistant to wilt caused by Fusarium oxysporum f. sp. lini and powdery mildew caused by Oidium lini.
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