中南 9号是新疆农科院粮作所育成的高产、优质、适应性强的中晚熟玉米杂交种 ,2 0 0 2年 3月经阿勒泰地区农作物品种审定委员会审定命名为阿单 8号。1　选育经过中南 9号于 1 992年配组合 ,1 993年从组合鉴定中选出 ,1 994～ 1 998年进行品种比较试验 ,1 997～1 998年参加新疆 Zhongnan 9 is a high-yielding, high-quality and adaptable middle-late maturing corn hybrid bred by Xinjiang Academy of Agricultural Sciences. In March 2002, it was named No.8 by the Altay Prefecture Crop Variety Approval Committee. 1 Breeding After Zhongnan No. 9 was combined with Liaoning in 1992, it was selected from the combination of identification in 1993 and from 1994 to 1998, and was tested in Xinjiang from 1997 to 1998