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明确了水稻籼粳交育种与籼粳杂种优势利用的不同内涵,评述了水稻籼粳交相关的科学术语、育种理论和育种实践,分析了籼粳交杂种不育基因座位研究结果对籼粳交育种的指导作用,简述了广东的籼粳交育种现状,提出了以大群体筛选籼粳交后代的育种方法并应用于育种实践。
The different connotation of indica-japonica crossbred rice and indica-japonica heterosis utilization in rice was clarified. The related scientific terms, breeding theory and breeding practice of indica-japonica cross were reviewed. The results of the study on indica-japonica hybrid sterility locus for indica-japonica cross The current situation of indica-japonica breeding in Guangdong was briefly described. The breeding method of screening offspring of indica-japonica hybrids with large population was proposed and applied to breeding practice.