From Green Revolution to Multigene Revolution: Breeding High-Yield Rice by Design.
Zhang B, Wen Q, Feng W, Wang R, Liu W
Crop Improvement
PubMedRice feeds more than half of humanity, and the strategies outlined in this research could directly affect the affordability and availability of rice on your dinner table as the climate changes and the world's population grows.
Researchers reviewed decades of rice breeding and charted a new roadmap that uses our growing knowledge of which genes control how rice plants grow, flower, and fill their grains. Instead of changing one gene at a time, they propose stacking many beneficial traits together — like better use of sunlight, more efficient uptake of nutrients from the soil, and more grains per plant. They also suggest using artificial intelligence to speed up the discovery of new improvements, moving us beyond the Green Revolution of the 1960s into a new era of 'designer' crops.
Key Findings
The review identifies six major rice cropping zones in China and analyzes the key genetic traits that made their high-yielding varieties successful, providing a roadmap for future breeding targets.
A multi-trait breeding strategy is proposed that simultaneously optimizes heading date, plant architecture, photosynthetic efficiency, tiller number, panicle structure, grain shape, and nutrient-use efficiency to break through current yield ceilings.
The authors propose integrating AI-driven discovery of gene regulatory elements with traditional recurrent selection to accelerate the development of stress-resilient, high-yield rice varieties.
chevron_right Technical Summary
Scientists have mapped out a comprehensive blueprint for breeding the next generation of high-yield rice by combining cutting-edge gene knowledge with traditional breeding methods, aiming to feed a growing global population more efficiently.
Abstract Preview
Rice has made a significant contribution to global food security over the past half-century. However, the continuous increase in grain yield potential per unit area remains a critical challenge. Re...
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