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一、稻米品质改良的现状（一）自1985年农业部在长沙召开全国优质米生产座谈会以来，水稻育种家随即改变育种方向，集中主要精力，主攻优质稻品种，经12年的曲折历程，优质稻研究有了显著进展。80年代中后期湖南农科院率先投放了优质早稻新品种湘早籼15号，结束了我国早籼米质?
I. Status of Rice Quality Improvement (I) Since 1985, when the Ministry of Agriculture held a national high-quality rice production symposium in Changsha, the rice breeder immediately changed its breeding direction and focused her main energies on the main types of high-quality rice varieties. After 12 years of twists and turns, High quality rice research has made significant progress. In the late 1980s, Hunan Academy of Agricultural Sciences launched the first high-quality new rice variety Xiangzao indica on the 15th and concluded the quality of early indica rice in our country?