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苏玉9号(原名414×812)系江苏沿江地区农科所采用自交系间杂交育成。1995年4月通过江苏省农作物品种审定委员会审定,同年在江苏省春、夏播玉米地区和黄淮海平原夏播玉米地区扩大示范和推广。1 高产 1993年江苏省玉米品种区域试验中,苏玉9号春播组平均产量8868kg/hm~3,
Su Yu 9 (formerly 414 × 812) Department of Agricultural Sciences in Jiangsu Province along the Yangtze River hybrid breeding. In April 1995 through the Jiangsu Province Crop Variety Approval Committee validation, the same year in spring and summer sowing corn and yellow-Huai-Hai Plain summer sowing corn area to expand demonstration and promotion. A high yield In 1993, Jiangsu Province, regional trials of maize varieties, Suyu 9 spring sowing group average yield 8868kg / hm ~ 3,