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Understanding the Regulatory Mechanisms of Rice Tiller Angle, Then and Now

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A Correction to this article was published on 13 November 2021

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Abstract

Rice is one of the most important crops worldwide, whose yield is vital to human nutrition in the context of a rapidly growing world population. Plant architecture significantly affects grain yield, which is to a large extent determined by tiller angle and tiller number. Tiller angle is the angle between the primary tiller and the main culm. Its regulation is complex and is influenced by multiple environmental and genetic factors. This review provides an overview of the regulation of tiller angle in rice, with particular focus on the roles of the growth environment and method of cultivation; phytohormones such as auxin, gibberellins, and strigolactones; gravity; and genes related to the control of tiller angle. The major research foci and the outlook for research into the regulation of tiller angle in rice are discussed.

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Authors and Affiliations

  1. College of Life Sciences, South China Agricultural University, Guangzhou, 510642, China

    Ying He, Liuyu Li & Dagang Jiang

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  1. Ying He
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  2. Liuyu Li
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  3. Dagang Jiang
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Correspondence to Dagang Jiang.

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He, Y., Li, L. & Jiang, D. Understanding the Regulatory Mechanisms of Rice Tiller Angle, Then and Now. Plant Mol Biol Rep 39, 640–647 (2021). https://doi.org/10.1007/s11105-021-01279-6

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  • DOI: https://doi.org/10.1007/s11105-021-01279-6

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