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玉米是全球第一大作物,也是杂交良种应用最早、最普及的作物,更是全球种业竞争的重点和焦点。玉米是我国粮食增产的主力军,对我国粮食增产的贡献率超过50%。北京市农林科学院玉米研究中心已经先后选育出京单28、京科糯2000、京单968等一批优良玉米品种,并已在生产上开始大面积推广应用。京单28
Corn is the world’s largest crop, is also the earliest and most widely used hybrid crop application, but also the focus and focus of the global seed industry competition. Corn is the main force of increasing grain output in our country, contributing more than 50% to the increase of grain output in our country. Beijing Academy of Agriculture and Forestry corn Research Center has bred a number of Beijing 28, Beijing Branch waxy, Beijing 968 and a number of other good varieties of corn, and has started in the production of large-scale promotion and application. Beijing single 28