FK01 is a new strain of oil-sunflower with cytoplasmic male sterile line HA as female parent and cytoplasmicmale sterile restorer line 19540 as male parent. 19540 is a mutant irradiated by carbon ion which seed oil contentincreases.FK01 joined 2014 Gansu province regional test of oil-sunflower and planted in six sites: Jingyuan agriculturaltechnique spreading center, Minqin agricultural technique spreading center, Jingtai agricultural technique spreadingcenter, Jiuquan agricultural sciences research institute, Tianshui agricultural sciences research institute, andHuanxian seed control station.