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Letter | Open Access

Improving spikelet production efficiency is crucial for further unleashing yield potential in rice

Weiyang Zhang1,2( ), Meijie Jia1,2, Shengkai Yang1,2, Xiaohan Zhong1,2, Haotian Chen1,2, Ying Liu1,2, Zhiqing Wang1,2, Jianhua Zhang3,4, Jianchang Yang1,2( )
Jiangsu Key Laboratory of Crop Genetics and Physiology/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Agricultural College, Yangzhou University, Yangzhou 225009, China
Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou 225009, China
Department of Biology, Hong Kong Baptist University, Hong Kong 999077, China
State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong 999077, China
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Highlights

• Improving spikelet production efficiency (SPE) can further enhance the grain yield and harvest index in rice.

• Higher SPE can enhance post-anthesis photoassimilate production in the shoots of rice.

• Higher SPE can promote the post-anthesis remobilization of non-structural carbohydrate (NSC) from rice stems.

References

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Journal of Integrative Agriculture (JIA)
Volume 25 Issue 6,
June 2026
Pages 2627-2629
DOI: 10.1016/j.jia.2026.03.041

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Cite this article:
Zhang W, Jia M, Yang S, et al. Improving spikelet production efficiency is crucial for further unleashing yield potential in rice. Journal of Integrative Agriculture (JIA), 2026, 25(6): 2627-2629. https://doi.org/10.1016/j.jia.2026.03.041

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Received: 18 December 2025
Revised: 04 March 2026
Accepted: 12 March 2026
Published: 18 March 2026
© 2026 CAAS.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer review under responsibility of Editorial Board of Journal of Integrative Agriculture.