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清苑县是中国农科院的高赖氨酸玉米繁种基地之一。他们繁育的中单206玉米品种,全生育期110天,属中熟品种。株高250厘米,穗位80厘米,茎秆坚硬,株形挺秀,抗病性强,果穗筒形,穗长21厘米。籽粒马齿形,黄色,千粒重250克,出籽率85％。全籽粒赖氨酸含量0.47％,比普通玉米高一倍以上,粗蛋白质含量8.96％,粗脂肪含量5.28％。亩产400—500公斤,适宜内蒙、河北、山东、山西、陕西、新疆、四川、江苏、湖南、浙江等地种植。
Qingyuan County is one of the high lysine corn breeding bases of the Chinese Academy of Agricultural Sciences. They breed single 206 maize varieties, the whole growth period of 110 days, is a medium-maturing varieties. Plant height of 250 cm, spike 80 cm, stalk hard, Zhu Ting-Xiu, resistance to disease, ear-shaped tube, ear length 21 cm. Grains of horseshoe shape, yellow, grain weight of 250 grams, seed yield 85%. Whole grain lysine content of 0.47%, more than twice as common corn, crude protein content of 8.96%, crude fat content of 5.28%. 400-500 kg per mu, suitable for Inner Mongolia, Hebei, Shandong, Shanxi, Shaanxi, Xinjiang, Sichuan, Jiangsu, Hunan, Zhejiang and other places planted.