AC McDuff, a late-maturing oilseed flax (Linum usitatissimum L.) with
very high oil content, was released by Agriculture Canada, Research St
ation, Morden, Manitoba, in 1993. The cultivar has very good lodging r
esistance and is high yielding in the Black Soil zone of the prairies.
It is immune to North American races of rust caused by Melampsora lin
i and is moderately resistant to wilt caused by Fusarium oxysponrm f.
sp. lini.