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我国籼型杂交水稻于1973年实现三系配套,1976年开始大面积推广应用。粳型杂交水稻发展稍迟一点,1975年实现“三系”配套,1977年在生产上开始推广。据1987年合肥全国杂交水稻会议初步统计,种植面积已达到16439万亩,其中南方(包括陕西)籼杂16235万亩,北方粳杂204万亩。 一、推广?
China’s indica hybrid rice in 1973 to achieve three-line package, 1976, large-scale promotion and application. Japonica hybrid rice developed a little later, in 1975 to achieve “three lines” package, in 1977 began to promote production. According to preliminary statistics of the Hefei National Hybrid Rice Conference in 1987, the acreage has reached 164.39 million mu, of which 162.35 million mu is indica hybrid in southern China (including Shaanxi Province) and 204 mu is northern hybrid rice. First, promotion?