70年代,我们接受了来自华北、东北、西北、西南、黄淮地区15个省市44个单位的128个杂交种。其中黄粒的88种,占68.8％;黄白杂粒的16种,占12.5％;黄红杂粒的2种,占1.6％;白粒的22种,占17.2％。当时玉米子粒主要食用,也有作饲料的。蒸馏和发酵工业,对粒色并没有特殊要求。但对于干磨加工的产品来说,则纯白色的,或纯黄 In the 1970s, we accepted 128 hybrids from 44 units in 15 provinces and cities in North China, Northeast China, Northwest China, Southwest China and Huanghuai Prefecture. Among them, 88 species of yellow grains accounted for 68.8%; 16 species of yellow and white grains accounted for 12.5%; 2 species of yellow-red grains accounted for 1.6%; 22 species of white grains accounted for 17.2%. At that time, the main grain of corn grains, but also for feed. Distillation and fermentation industries, no special requirements on the color. But for dry grinding products, pure white, or pure yellow