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分析了2006~2015年国审水稻品种情况。10a间平均每年审定49.4个品种。在品种结构上,三系杂交稻品种比例呈现下降趋势,两系杂交稻品种比例快速增长;科研院校选育的品种数量呈下降趋势,以种业公司为主体的商业化育种快速发展,逐渐成为水稻育种的主要模式。在品质结构上,审定的常规稻品种优质率较高,杂交稻优质率呈下降趋势,品质改良亟需加强。
Analysis of 2006 ~ 2015 state-run rice varieties. An average of 49.4 varieties were approved annually. In terms of the variety structure, the proportion of three-line hybrid rice varieties showed a downward trend, and the proportion of two-line hybrid rice varieties increased rapidly. The number of varieties bred in scientific research institutes showed a downward trend. Commercial breeding with seed companies as the mainstay developed rapidly and gradual Become the main mode of rice breeding. In terms of quality and structure, the certified high-quality conventional rice varieties have high quality, the quality of hybrid rice shows a downward trend, and the quality improvement needs to be strengthened.