水稻籼粳亚种间杂交育种进展与展望

Key Points

• The aim is to review progress in hybrid breeding between indica and japonica rice and to identify genetic mechanisms for desirable traits.
• Reviewed historical development of hybrid rice in China from early exploration to large-scale application.
• Focused on key traits such as reproductive isolation, plant architecture, and growth period regulation.
• Summarized achievements in indica-japonica hybrid rice breeding and outlined future directions considering food security needs.
• Documented significant advancements in utilizing hybrid vigor for increased rice yield.
• Identified challenges in current hybrid breeding practices and proposed solutions for improvement.
• Explored genetic mechanisms behind key traits that affect hybrid rice performance.