玉米新品种铁研919选育研究

Study Breeding on New Maize Hybrid Variety Tieyan 919

铁研919是以自选系铁0940为母本，自选系铁0941为父本杂交选育的中熟玉米单交种。在各级试验中表现为高产稳产、多抗，两年区试比对照辽单565平均增产16.05%，2014年1月通过辽宁省农作物品种审定委员会审定。适宜在辽宁铁岭、抚顺、本溪、阜新、朝阳等地≥10℃活动积温2650℃以上的中熟玉米区种植。适宜种植密度57000-67500株/hm2。

Tieyan 919 was the hybrid maize bred with self bred inbred lines of T0940 as female parent and T0941 as Male parent in Tieling Academy of Agricultural Sciences in 2010. Tieyan 919 had high and stable yield and multi-resistance. Its average increasing yield was 16.05% than that of Liaodan 565. It was authorized to apply and popularize by corn authorization committee of Liaoning province in 2014. And it was adopted to breed in the areas of Tieling, Fushun, Benxi, Fuxin, Chaoyang et al. with active accumulated temperature 2 650℃.Planting density was 42 000-45 000 plants/hm2.