一、品种来源:秦单五号系杨凌秦丰农业科技股份有限公司与中国科学院遗传研究所合作用自选系杂交育成的玉米单交种。并于2002年2月份通过陕西省农作物品种审定委员会审定。二、特征特性:秦单五号全生育期90—100天,比户单四号早熟2—8天。株型紧凑,株高230厘米,穗位高90厘米,叶片数12—20片,雄穗分枝15—20个,花药黄色,花粉 First, the source of varieties: Qindang No. 5 Yangling Qinfeng Agricultural Science and Technology Co., Ltd. and the Institute of Genetics, Chinese Academy of Sciences with a self-selected lines of hybrid breeding corn single cross. And in February 2002 through the Shaanxi Provincial Crop Variety Approval Committee validation. Second, the characteristics and characteristics: Qin Dan five full growth period of 90-100 days, four days earlier than household households 2-8 days. Plant compact, height 230 cm, ear height 90 cm, the number of leaves 12-20, 15-20 branches tassel, anther yellow, pollen