铁丰系列大豆品种选育与应用概况

通过对铁丰系列大豆的育种及品种推广历程的对比,揭示了铁岭大豆所在不同历史阶段育成品种的推广面积、产量、品质以及亲本选配方面的发展趋势。我们发现不同阶段代表品种推广面积水平相当,基本保持在50万hm2左右;大豆单产上有了明显提高,第一阶段代表品种平均产量为1785 kg/hm2,第二阶段代表品种平均产量为2550 kg/hm2,第三阶段代表品种平均产量为2956 kg/hm2;品质方面有了明显改善,特别是脂肪含量显著提高,目前高油品种数量占育成品种的75%;亲本选配最初以农家品种为主,现在注重选择集丰产、优质、抗逆为一体的中间材料,同时含有国外大豆血缘的材料为亲本。

Selection and Utilization of Tiefeng Series Soybean Variety

We have revealed development tendency of breeding on popularized area.yeild.quality as well as the parents selection through the contrast of breeding of Tiefeng serise soybean and utilization of the varieties in the different historical stage in this article . The level of varieties utilization is almost the same in different stage , basically maintain about 500,000 hectares ;The yield per unit area of soybean has been improved a lot, the first stage the average yield of representive varieties is 1 785 kg/ha, the second stage the average yield of representive varieties is 2 550 kg/ha, the third stage the average yield of representive varieties is 2 956 kg/ha ; The soybean quality had the distinctive improvement, specially the content of fat has enhanced remarkably , at present the high-oil varieties occupy 75% of all the varieties ; at fisrt we selected primitive soybean variety as crossing parents , at present we select middle materials of high-yield . high-quality, resistance and including the overseas soybean blood relationship as Crossing parents .