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水稻杂种优势明显,增产显著,推广面积越来越大。据统计,1976~1986年,我国杂交水稻累计种植面积9.1亿亩,增产稻谷450多亿公斤。自1979年以来,中国杂交水稻已走向世界,国际水稻研究所、美国、日本、南朝鲜、印度、印尼、泰国等14
Rice heterosis is obvious, yield significantly, the promotion of an area of more and more. According to statistics, from 1976 to 1986, the total acreage of hybrid rice in China was 910 million mu, increasing the output of more than 4.5 billion kilograms of rice. Since 1979, the hybrid rice in China has gone to the world. The International Rice Research Institute, the United States, Japan, South Korea, India, Indonesia and Thailand 14