早熟高产优质玉米新品种德朗118选育与应用

Breeding and Application of the New Maize Variety Delang 118 with Early Maturity,High Yield and Good Quality

德朗118是山西省农业科学院谷子研究所以自选系KY150为母本、自选系C238为父本组配而成的玉米杂交种,在山西北部特早熟区春播生育期120 d,属特早熟品种;2013—2014年参加山西省春播特早熟玉米区域试验,平均单产8 776.5 kg/hm^2,比对照并单6号增产12.6%,2015年参加生产试验,平均单产9 819.0 kg/hm^2,比对照德美亚1号增产12.6%;籽粒金黄半硬,容重676.0 g/L,粗脂肪含量4.52%,粗淀粉含量74.37%,表现出早熟、高产、稳产、优质、多抗、适应性强等特点。2016年6月通过山西省农作物品种审定委员会审定,适宜在山西省春播玉米特早熟区生产应用。

Delang 118 was bred by Institute of Millet, Shanxi Academy of Agricultural Sciences. Its female parent was KY150, and its male parent was C238. Its was one of special early-maturing plants and its growth period of spring planting in the northwest of Shanxi was 120 days. This variety attended regional trial from 2013 to 2014, and the average yield per hectare was 8 776.5 kg, which increased more than 12.6% compared with CK（Bingdan 6）. This variety attended production trial in 2015, and the average yield per hectare was 9819.0 kg, which increased 12.6% compared with CK（Demeiya 1）. It had golden seeds, and volume weight was 676.0 g/L, crude fat content was 4.52% , crude starch content was 74.37% . In addition to these, the superiority of its traits was obvious, such as early maturity,high yield, stable yield, high quality, multi-resistance and strong adaptability at the regional test and production test in the earliest maturity of spring maize in Shanxi province. Delang 118 was certified by crop variety approval committee of Shanxi province in June 2016. It was suitable for production and application in earliest maturity of spring maize in Shanxi province.