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津农5号是天津农学院作物育种教研室育成的,组合为“8112×津451”。经过1992—1993年两年天津市品种区域试验及生产试验,取得很好效果,普遍认为它是目前取代掖单4号最有竞争力的夏玉米品种。1993年在京、津地区示范面积达2万多亩。 一、特征特性: 1.早熟性。在京、津、河北地区生育期96天左右,吐丝期比掖单4号早5天,成熟期早5—7天。 2.耐密性。株高245—265厘米,穗位高80—90厘
Jinnong 5 is Tianjin Agricultural College Crop Breeding Department bred, the combination of “8112 × Tianjin 451”. After two years of 1992-1993 varieties of regional trials and production tests in Tianjin, and achieved good results, it is generally believed that it is currently replacing Yedan 4, the most competitive summer maize varieties. In 1993 in Beijing, Tianjin demonstration area of 20,000 mu. First, the characteristics and characteristics: 1. Prematurity. In Beijing, Tianjin and Hebei, the growth period is about 96 days, and the silking stage is 5 days earlier than that of Yedan 4 and 5-7 days earlier than the maturity stage. 2 tightness. Plant height 245-265 cm, ear height 80-90%