Breeding maize of ideal plant architecture for high-density planting tolerance through modulating shade avoidance response and beyond

文献类型： 外文期刊

第一作者： Jafari, Fereshteh

作者： Jafari, Fereshteh;Wang, Baobao;Zou, Junjie;Jafari, Fereshteh;Wang, Baobao;Zou, Junjie;Wang, Haiyang

作者机构：

关键词： flowering time; high-density planting; leaf angle; maize; plant architecture; plant height/ear height; root architecture; tassel branch

期刊名称：JOURNAL OF INTEGRATIVE PLANT BIOLOGY （ 影响因子：11.4； 五年影响因子：10.1 ）

ISSN： 1672-9072

年卷期： 2024 年 66 卷 5 期

页码：

收录情况： SCI

摘要： Maize is a major staple crop widely used as food, animal feed, and raw materials in industrial production. High-density planting is a major factor contributing to the continuous increase of maize yield. However, high planting density usually triggers a shade avoidance response and causes increased plant height and ear height, resulting in lodging and yield loss. Reduced plant height and ear height, more erect leaf angle, reduced tassel branch number, earlier flowering, and strong root system architecture are five key morphological traits required for maize adaption to high-density planting. In this review, we summarize recent advances in deciphering the genetic and molecular mechanisms of maize involved in response to high-density planting. We also discuss some strategies for breeding advanced maize cultivars with superior performance under high-density planting conditions.

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