哲盟玉米育种工作浅议石春焱，郭志明，张建华（哲盟农业科学研究所）哲盟是我区粮食主产区之一，玉米是主体粮食作物，品种已全部单交种化。近年来，全盟平均每年种植玉米面积４００多万亩，占全盟总播种面积的５０％左右，年收商品玉米近１７亿公斤，产量占粮食作物总产... Zhe Meng corn breeding work Shichun Yan, Guo Zhiming, Zhang Jianhua (Institute of Agricultural Sciences of the Association of Philosophy and Philosophy) is one of the main grain-producing areas in our region, corn is the main food crops, varieties have all been single species. In recent years, the alliance has annually planted more than 4 million mu of corn, accounting for about 50% of the total sown area of ​​the AU, and nearly 1.7 billion kg of annualized corn, accounting for the total output of food crops.