Journal
CROP JOURNAL
Volume 11, Issue 5, Pages 1287-1302Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.cj.2023.05.009
Keywords
Rice tiller; Axillary meristem; Tiller bud; Genetic and external factors; Regulatory mechanism
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This article reviews the two processes of rice tiller formation and summarizes the effects of genetic factors, endogenous hormones, and exogenous environment on rice tillering. The study finds that multiple molecular mechanisms and signal pathways cooperate in regulating rice tillering and discusses future research objectives and the application of its regulatory mechanism.
Increasing tiller number is a target of high-yield rice breeding. Identification of tiller-defect mutants and their corresponding genes is helpful for clarifying the molecular mechanism of rice tillering. Summarizing research progress on the two processes of rice tiller formation, namely the formation and growth of axil-lary meristem, this paper reviews the effects of genetic factors, endogenous hormones, and exogenous environment on rice tillering, finding that multiple molecular mechanisms and signal pathways regulat-ing rice tillering cooperate rice tillering, and discusses future research objectives and application of its regulatory mechanism. Elucidation of theis mechanism will be helpful for breeding high-yielding rice cul-tivars with ideal plant type via molecular design breeding.(c) 2023 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.This is an open access article under the CC BY-NC -ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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