我国两系杂交小麦研究获得重大突破两系杂交小麦新组合Ⅱ优５８经过我国农业科学技术人员７年攻关，在选育和制种研究上取得突破性进展，在品种比较小区试验中亩产达到５０２．３公斤。这一高新技术成果一旦推广实施，我国小麦的亩产和总产都将比现在增加１０％以上，其经... China’s two-line hybrid wheat access to a major breakthrough in the new two-line hybrid wheat Ⅱ You 58 After seven years of agricultural science and technology research breakthroughs in the breeding and seed production research breakthroughs in the variety of plots compared to the test to achieve mu 502.3 kilograms. Once the achievement of this high-tech promotion is implemented, the output per mu and total output of wheat in our country will all increase by over 10% from the present.