一、类型和来源 蓉油3号原名杂2—4,系成都市第二农科所用自育甘蓝型细胞质雄性不育系蓉A069和惨复系蓉C2150杂交,经过多年试验、示范和鉴定选育而成,属甘蓝型油菜弱冬性中早熟中芥中硫三系杂交种,具有早熟、高产、抗性较强、省肥高效、适应性广等特点。1992年通过成都市区试,1993年4月通过成都市农作物品种审定委员会审定并定名。1993年已通过四川省区试,待审定。 二、特征特性 子叶肾形,幼苗半直立,心叶绿色,裂叶3对左右,顶裂中大,叶色深绿,叶脉白色,叶缘近锯齿,叶片厚,叶柄长; First, the type and source Rongyou 3 formerly known as 2-4, Department of Chengdu second agricultural use of self-breeding cabbage cytoplasmic male sterile line A069 and tragedy Rong Rong C2150 hybrid, after years of testing, demonstration and identification of election It is characterized by early maturity, high yield, strong resistance, high fertilizer efficiency and wide adaptability. In 1992 through the city of Chengdu trial, in April 1993 through the Chengdu Crop Variety Approval Committee validated and named. In 1993 passed the test in Sichuan Province, to be validated. Second, the characteristics of the cotyledon kidney-shaped, semi-erect seedlings, heart green, cracked leaves about 3, the crack in the large, dark green leaves, white veins, leaf margin serrated, thick leaves, petiole long;