Abstract
CDC Kernen, a late maturing oilseed flax ( Linum usitatissimum L.), was registered in 2021 by the Crop Development Centre, University of Saskatchewan, Saskatoon, Saskatchewan. This cultivar had a significant yield advantage (107%) compared to CDC Glas (the yield check) in all soil zones of the Northern Prairies. The yield of CDC Kernen was 115%, 98%, and 105% of CDC Glas in the Black, Brown, and Black and Grey soil zones of Western Canada, respectively. This cultivar has medium (45.1%) oil content, oil quality (iodine value (IV) 192; alpha linolenic acid content 57.1%), equivalent to CDC Glas (the seed quality standard) coupled with larger seed size (thousand seed weight 6.1 g) than CDC Glas. 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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