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丹玉六号是辽宁省农科所用自交系——旅28作母本,自交系——“331”作父本配制成的单交种。1973年引入试种,1974年春播对比试验名列第一,亩产967斤,比老品种半黄亩产468斤增产1.6倍,比郑单2号亩产687斤增产40.7%。表现秆矮、整齐、粗壮、清秀、抗病、蒲形好,颇受群众欢迎。因此,我社在批林批孔运动的推动下,由于广大群众的迫切要求,丹玉六号面积迅速扩大,1974年全社1612亩夏播旱地杂交玉米,丹王六号有820亩,占53%。作三熟制水田秋玉米栽培,在低温、病虫等严重自然灾害的威胁下,在缺肥的条件下,仍表现抗逆、抗病和抗倒等良好性状,稳产高产,适宜于我地春播、夏播旱地玉米和早熟早稻后
Dan Yu 6 is Liaoning Province Department of agriculture used inbred lines - Brigade 28 for the female parent, inbred line - “331” as the father of the single hybrid. Trial planting was introduced in 1973, and the contrasted test in spring of 1974 ranked No. 1 with a yield of 967 jin per mu, 468 jin more than that of the old variety and 1.6 times more than that of 687 jin of Zhengdan No. 2 per mu yielding 40.7%. Short stalks, neat, stout, delicate, disease-resistant, good Po-shaped, popular popular. As a result, with the urgent approval of the masses, the area of Danyu-6 rapidly expanded under the impetus of the Pok Pik Kong Campaign. In 1974, there were 1,612 mu of summer-sowed dry-land hybrid corn in the entire community and 820 mu of Dan King VI, accounting for 53 %. For the cultivation of autumn maize in three-cropping paddy field, under the threat of severe natural disasters such as low temperature, pests and diseases, under the condition of lacking of fertility, the good traits such as resistance to disease, disease resistance and lodging resistance are still exhibited, stable and high yield, suitable for me Spring sowing, summer sowing dryland corn and early maturing early rice