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1两系不育系的育性特征两系杂交水稻是近年发展起来的杂交组合,以其高产、优质、高效获得大面积的推广应用,据农业部统计资料显示,近3年全国两系杂交水稻的推广面积,每年以66.7万hm2的增速递增,2008年全国两系杂交稻种植面
Fertility characteristics of two-line CMS Two-line hybrid rice is a hybrid combination developed in recent years, with its high yield, high quality and efficiency to obtain a large area of popularization and application, according to the Ministry of Agriculture statistics show that nearly three years of the national two-line hybridization The popularization area of rice grows at an annual rate of 667,000 hm2. In 2008, the planting area of two-line hybrid rice in China