豫玉3号组合为3184×黄早4,原名豫单8号,是我所于1982年杂交选育而成。1988年4月经省农作物品种审定委员会审定命名,并列为1988～1990年重点繁殖推广品种。该杂交玉米在1985～1986年河南省夏玉米区试两年平均亩产510.5公斤,比对照种郑单2号增产25.2%。1987年省夏玉米生产示范平均亩产450.9公斤,比新设对照豫玉1号增产2.3%。同年参加省内多点产比和百亩丰产方示范,全部获得大幅度增产。 Yuyu 3 combination of 3184 × yellow as early as 4, formerly known as single Yu No. 8, I was bred in 1982 by hybridization. 1988 April by the Provincial Crop Variety Certification Committee validated named, tied for 1988 to 1990 to promote breeding varieties. The hybrid maize averaged 510.5 kg per mu for two years in the summer maize area of ​​Henan Province from 1985 to 1986, 25.2% more than that of Zhengdan No.2. In 1987, the average yield per mu of corn production in the province was 450.9 kg, 2.3% more than that of the newly-established Yuyu No.1. In the same year to participate in the province to produce more than a hundred acres and high yield demonstration, all obtained a substantial increase.