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鲁原单4号,系山东省农科院原子能农业应用研究所于1976年用原武0_2自交系作母本,自交系威风322作父本组配选育成的一个杂交种。自1978年推广以来,深受群众欢迎,已成为黄淮海流域及玉米区的主要栽培杂交种,年种植面积目前仍保持在1,000万亩以上。曾获农业部1978年技术改进一等奖。鲁原单4号具有早熟、秆矮、抗倒耐肥水、抗病,耐旱涝瘠的特点。夏播所需积温2,200℃,山东省内平均生育期81±4.07天,江淮地区74—
Luyuan single 4, Shandong Academy of Agricultural Sciences Institute of Atomic Energy in 1976 with the original 0_2 inbred line as the female parent, inbred Wei Wei 322 parenting group with breeding a hybrid. Since its popularization in 1978, it has been well received by the public and has become a major hybrid of cultivars in the Huang-Huai-Hai Valley and the maize area. The area planted annually at present remains at more than 10 million mu. Won the 1978 Ministry of Agriculture Technology Improvement Award. Lu original single No. 4 with precocious, short stalk, resistant to fertilizer, resistant to disease, drought-resistant barren water features. Summer sowing required accumulated temperature 2,200 ℃, Shandong Province, the average growth period of 81 ± 4.07 days, JAC region 74-