Abstract
Plant architecture, which consists mainly of plant height, tillering, and panicle morphology, contributes greatly to grain yield in rice. Exploring the molecular mechanisms of rice plant architecture will provide theoretical guidance and valuable gene resources for breeding elite rice varieties with ideal plant architecture. In this review, we emphasize recent progress in elucidating the mechanisms that control rice plant architecture, focusing on tiller number, tiller angle, and panicle branching. Environmental factors influence the plasticity of rice plant architecture, and thus we also discuss the roles of environmental factors in regulating rice plant architecture.
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Acknowledgements
We apologize to colleagues whose work is not cited in this review owing to space limitations. This work is supported by grants from the National Natural Science Foundation of China (31601276), the National Key Research and Development Program of China (2016YFD0100403), and the Ministry of Agriculture of China (2016ZX08009-003).
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Gao, H., Wang, W., Wang, Y. et al. Molecular mechanisms underlying plant architecture and its environmental plasticity in rice. Mol Breeding 39, 167 (2019). https://doi.org/10.1007/s11032-019-1076-2
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DOI: https://doi.org/10.1007/s11032-019-1076-2