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品种来源:原名同单25号,(雁105×黄早四)由山西省农科院高寒区作物研究所于1977年冬季在海南岛杂交选育而成。主要特征特性:大同春播生育期120天,属中早熟种。株高240厘米,穗位高100厘米,茎粗2.2厘米,穗位叶长77.4厘米,叶宽9.6厘米,全株20片叶。果穗长锥型,长21厘米,粗4.7厘米,每穗14—16行,每行43粒,粒型半马齿型,黄粒红轴,千粒重300克,穗粒重195克,出子率84%。抗玉米大斑病和矮花叶病。叶片半上提,宜密植,长势强,品质好。产量表现:1980—1982年参加山西省玉米春播早熟区域试验。三年平均亩产1,136.4
Variety Source: Formerly known as the same single 25, (wild geese 105 × Huang Zaosi) by the Shanxi Academy of Agricultural Sciences Institute of Crops in the cold zone in 1977 winter in Hainan Island hybrid breeding. Main characteristics and characteristics: Datong spring sowing period of 120 days, is a middle-aged species. Plant height 240 cm, ear height 100 cm, stem diameter 2.2 cm, ear length 77.4 cm, leaf width 9.6 cm, whole plant 20 leaves. Spike long conical, 21 cm long, 4.7 cm thick, 14-16 lines per panicle, 43 lines per line, grain semi-dentition, yellowish red axis, 1000 grain weight of 300 grams, spike grain weight 195 grams, the rate of the child 84%. Resistance to corn leaf spot and dwarf mosaic disease. Leaves on the mention, should be close planting, growing strong, good quality. Yield performance: From 1980 to 1982, participated in the spring sowing precocity trial of maize in Shanxi Province. Three-year average yield 1,136.4