Breeding of a new high erucic acid hybrid rapeseed Mianyou 15 in Brassica napus L.for industrial use

Mianyou 15,a high erucic acid hybrid rapeseed in Brassica napus L.,was selected by crossing high erucic acid recessive GMS line Mian 9AB-2 and high erucic acid restoring line Mianhui No.6.The variety possessed the characteristics of high erucic acid content,high yield,stable yield,high oil content,resistance to disease and lodging and extensive adaptability.In Sichuan regional trail,the Mianyou 15 gave 2 476.5 kg/hm~2 of average yield,which outyielded the control variety Shuza No.6 by 24.40%.The erucic acid content and oil content of Mianyou 15 seeds was 52.1% and 41.52% respectively.