我国杂交水稻在1974年开始小面积试种,今年推广面积已达到3,000多万亩。杂交水稻由于优势显著,适应性能强,增产幅度大,深受贫下中农欢迎。现将经群众评选出的较优良的主要杂交组合简介如下:南优号南优1号、2号,3号、6号是用二九南1号不育系分别与1号、2号、3号、6号恢复系配制 China’s hybrid rice began its small-area trial planting in 1974 and has reached more than 30 million mu of popularized area this year. Hybrid rice because of significant advantages, strong adaptability, increase yield, welcomed by the poor middle peasants. Will be selected by the masses better than the main hybrid combinations are as follows: Nam Yu Nam 1, No. 2, No. 3, No. 6 is two nine South 1, respectively, and sterile lines No. 1, No. 2, No. 3, No. 6 recovery system preparation