“练丰1号”是一个适应性强,耐肥、抗倒伏的优良中产新品种。1980年已有四十多个县、市种植,面积约十五万到十七万亩,深受广大农民欢迎。为了更有效地利用这一良种,现将该品种作以简要介绍。一、品种来源与产量表现“练丰1号”小麦新品种是扶沟县练寺公社农技站于一九七一年用“郑引4号”作母本,“阿夫”和“郑引1号”作父本(混合花粉授粉)进行杂交,杂交一代种籽用钴60γ射线辐射(2万伦琴)处理,经几年系统选育,于一九七六年育成。几年来试验与种植证明,该品种较当地推广的良种“阿夫”、“7023”、“郑州683”均有增产。 “Lian Feng 1” is a good adaptability, resistance to fat, lodging of good middle-class new varieties. In 1980, more than 40 counties and cities were planted, with an area of ​​about 150,000 to 170,000 mu, which was well received by farmers. In order to make more effective use of this seed, the breed is now briefly described. First, the source of varieties and yield performance “Lianfeng 1,” a new breed of wheat is Fugou County Temple practice commune farm station in 1971 with “Zheng cited 4” as the mother, “Afr” and “Zheng (No. 1) ”as male parent (mixed pollination pollination) for hybridization. The hybrid seed of the first generation was treated with cobalt 60γ radiation (20,000 Lun Qin) for several years and was bred in 1976. Tests and planting over the past few years proved that the varieties than the local promotion of improved varieties of “Av.”, “7023”, “Zhengzhou 683” have increased production.