Registration of 'Riley' Winter Canola

'Riley' (Reg. No. CV-24, PI 663949), a canola-quality winter oilseed rape (Brassica napus L.), was developed and released by the Kansas Agricultural Experiment Station. Riley is a selection from the cross with pedigree KS3580/'Jetton.' Riley was tested in regional yield trials as the experimental variety KS4158 and was an entry in the National Winter Canola Variety Trial from 2008 through 2010. Riley was released because of its disease tolerance, improved oil content, and superior yield compared with 'Wichita' and other check varieties. The fatty acid profile and glucosinolate content of the meal of Riley are excellent quality. Riley had significantly greater yield than all check cultivars (P < 0.05), yielding 113% of Wichita and 116% of 'DKW46-15'. Through 27 site-years on the southern Great Plains and High Plains, Riley averaged 400 g kg(-1) total oil compared with Wichita's average of 388 g kg(-1) (P < 0.05). The performance record of Riley suggests an increase in yield and consistency among commercial cultivars. As winter canola is planted on more hectares, demand is growing for improved genotypes.