两系杂交稻香飘三湘平均亩产达５００千克以上湖南省两系杂交水稻的研究示范取得突破性进展：育成了一批可供生产上应用的低温敏核不育系，配制了一批强优势组合，繁殖、制种高产攻关成绩显著，示范效果十分明显。据统计，１９９６年全省在近７０万亩早、中、晚稻上大面积... Two-line hybrid rice Xiangpingshanxiang average per-mu yield of more than 500 kg Two-line hybrid rice in Hunan Province to make breakthroughs in the demonstration model: bred a batch of production for the application of low temperature-sensitive genic male sterile lines, formulated a Strong combination of advantages, breeding, high yield seed production achievements, the demonstration effect is very obvious. According to statistics, in 1996, nearly 70 million mu of early, middle and late rice were on the province’s large area ...