玉米杂交育种工作在河南省是从1950年起在党领导下开始进行的。当时,河南农学院在开封禹王台恢复建立,沒有試驗场地,乃与省农业試验场协作,在試驗场的土地上进行玉米自交系的培育和杂交种的配制工作。所繁殖的自交系都是分别从华东、华北、西南各省引入,而以从华东农业科学研究所引入的400多个系为最多,1951年自交系曾达到近600 Maize hybrid breeding work in Henan Province is from 1950 onwards under the leadership of the party. At that time, Henan Agricultural College in Kaifeng Yuwangtai restore the establishment, there is no test site, but with the provincial agricultural experimental field in the test site of the land for maize inbred lines and hybrids preparation work. Inbred lines that were bred were introduced from eastern China, north China and southwestern provinces respectively. However, most of the more than 400 lines introduced from East China Institute of Agricultural Sciences were up to nearly 600 in 1951