| 刊名 | Agricultural Biotechnology |
| 作者 | Kailiang TAO1, Jun ZHU1, Kang LI2, Nansheng WANG2, Cuixiang LIN2, Quan GAN2, Hao YU2, Yingyao SHI1*, Dahu NI2*, Fengshun SONG2* |
| 作者单位 | 1.School of Agronomy, Anhui Agricultural University, Hefei 230036, China; 2.Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China |
| DOI | DOI:10.19759/j.cnki.2164-4993.2026.02.003 |
| 年份 | 2026 |
| 刊期 | 2 |
| 页码 | 17-25 |
| 关键词 | Rice; Speed breeding; Plant factory; Environmental control; Molecular breeding; Generation acceleration |
| 摘要 | Rice (Oryza sativa L.) is a core crop for ensuring food security and seed industry independence. Although traditional breeding has made significant progress in dwarfing and hybrid systems, its limitations including long generation cycles and reliance on field phenotypic selection render it inadequate for addressing climate change and resource constraints. In recent years, the integration of controlled environment agriculture (such as plant factories) with technologies including genomics, high-throughput phenomics, and CRISPR-Cas has driven the development of both the concept and practice of speed breeding. This article systematically reviews the facility evolution from off-site generation advancement to on-site generation advancement and then to plant factories, and compares the limitations of traditional methods such as mutation breeding, transgenic breeding, and hybrid breeding. It critically highlights the breakthroughs in efficiency and precision achieved by molecular marker-assisted selection, gene editing, and molecular design breeding. Key components, including illumination, temperature, soilless cultivation with nutrient management, and mild stress induction, are analyzed. Through case studies such as the IRRI SpeedFlower system and China's plant factory-based generation advancement systems, the paper demonstrates the technical feasibility and application prospects of achieving 5-6 generations per year. |
