“七五”期间,我国已超前开展了作物超高产育种研究,而且,籼粳亚种间杂交杂种优势的利用研究已取得可喜进展,本文就此课题作肤浅叙述。1釉粳亚种间杂交稻在发展粮食生产中的作用粮食是人类生存和发展的首要间题,世界各国人们都十分关注全球的粮食生产。 During the period of “July 5”, China has carried out the research on super high yielding crops ahead of schedule, and the research on the utilization of hybrid heterosis between indica and japonica subspecies has made gratifying progress. This article makes a superficial account of this topic. 1 Glaze Japonica subspecies hybrid rice in the development of food production The role of food is human survival and development of the first issue, people all over the world are very concerned about global food production.