The successful breeding and cultivation of perennial rice enables up to eight grain harvests from a single planting, with reduced labour input, improved soil health and potential to affect farming systems in frost-free environments between 40° N and 40° S. Perennial rice reconciles food production with environmental security in a changing climate.
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References
Glover, J. D. et al. Increased food and ecosystem security via perennial grains. Science 328, 1638–1639 (2010). This paper proposes the need to develop perennial grains to ensure food and ecosystem security.
Crews, T. E. & Cattani, D. J. Strategies, advances, and challenges in breeding perennial grain crops. Sustainability 10, 2192 (2018). This paper examines what is needed to develop perennial grains.
Fukai, S. & Wade, L. J. in Crop Physiology: Case Histories for Major Crops (eds Sadras, V. O. & Calderini, D. F.) 44–97 (Elsevier, 2021). This book chapter examines rice, its ecology and what is needed in the future for PR breeding.
Hu, F. Y. et al. Convergent evolution of perenniality in rice and sorghum. Proc. Natl Acad. Sci. USA 100, 4050–4054 (2003). This paper shows that it is possible to use O. longistaminata for the development of PR.
Zhang, S. et al. Genotype by environment interactions for grain yield of perennial rice derivatives (Oryza sativa L./Oryza longistaminata) in southern China and Laos. Field Crops Res. 207, 62–70 (2017). This paper was the first to report the potential adoption of PR under multiple environments.
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This is a summary of: Zhang, S. et al. Sustained productivity and agronomic potential of perennial rice. Nat. Sustain. https://doi.org/10.1038/s41893-022-00997-3 (2022).
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Switch to perennial rice promotes sustainable farming. Nat Sustain 6, 17–18 (2023). https://doi.org/10.1038/s41893-022-01002-7
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DOI: https://doi.org/10.1038/s41893-022-01002-7
