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河南省周口地区农科所于 1994年用自选系95 0 1作母本 ,与 834 0选 4- 1组配育成高产、多抗玉米杂交种豫玉 2 9(即周单 4号 )。 1999年 4月通过河南省农作物品种审定委员会审定。1 亲本自交系选育它的两个亲本自交系均为自选系。其母本自交系 95 0 1是用 8112和引自国外杂交种
In 1994, Henan Academy of Agricultural Sciences of Zhoukou District used the 955 self-selected line as the female parent and 834 0 to 4 groups to produce high yield and multiple resistant maize hybrid Yuyu 29 (ie, Zhoudan 4). In April 1999 through the Henan Province Crop Variety Approval Committee. A Parental Inbred Line Breeding its two parents inbred lines are all self-selected lines. The female parent inbred line 95 0 1 is derived from 8112 and is derived from a foreign hybrid