屯新1019(铁409)是铁岭市农业科学院以自选系HY12(以国外优良杂交种为基础材料,严格按照优质、抗倒伏、抗病的育种目标,经多代自交选育而成。经过多年、多点配合力测定及筛选,HY12表现抗病性、抗倒性强,配合力高。)为母本、外引优良自交系吉853为父本选育而成的玉米新品种 Tuen new 1019 (iron 409) is the Tieling Academy of Agricultural Sciences to choose HY12 (excellent foreign hybrids as the basic material, in strict accordance with the high quality, lodging resistance, disease-resistant breeding objectives, after many generations of self-selection and breeding. For many years, with more determination and screening of combining ability, HY12 showed disease resistance, strong lodging resistance and high combining ability.) As the female parent, the new maize variety bred from the elite inbred line Ji 853