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绵油１２号是四川省绵阳市农科所用自育的胞核两用系绵７AB－４－１作母本，四川省农科院作物所选育的双低品系品９３－４９６作父本配组而成的甘蓝型两系优质杂交种。２００１年４月通过四川省农作物品种审定委员会审定，目前长江上游区试已通过，正在参加长江中游区试。特征
Mianyang 12 is Mianyang City, Sichuan Province, agriculture used by the Department of nuclear dual-purpose cotton 7AB-4-1 as a female parent, Sichuan Academy of Agricultural Sciences crop selection of low-grade products 93-496 as a parent With the formation of the two series of high quality hybrid cabbage. In April 2001 through the Sichuan Crop Variety Approval Committee for validation, the upper reaches of the Yangtze River region has passed the test, is participating in the Yangtze River area test. feature