玉米是辽宁省主要粮食和饲料作物,随着人们食品结构的改善和种植结构的调整,玉米品质越来越受到人们的重视,一直以来,高产和优质是玉米育种的主要目标,经过育种者的不断努力,选育高产品种的目标基本上已经达到,但优质的目标还相差较远,主要表现在新选育品种及目前大面积推广的 Maize is the main food and forage crop in Liaoning Province. With the improvement of food structure and planting structure, the quality of maize has drawn more and more attention. For a long time, high yield and high quality are the main objectives of maize breeding. After breeders’ Continuous efforts to achieve the goal of breeding high-yield varieties have basically been achieved, but the objectives of quality are still far apart, mainly reflected in the new breeding varieties and the current large-scale promotion