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
作者： Jafari, Fereshteh 1 ; Wang, Baobao 1 ; Wang, Haiyang 4 ; Zou, Junjie 1 ;
作者机构： 1.Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R China
2.Chinese Acad Agr Sci, Grad Sch, Beijing 100081, Peoples R China
3.CAAS, Natl Nanfan Res Inst, Sanya 572025, Peoples R China
4.South China Agr Univ, Coll Life Sci, State Key Lab Conservat & Utilizat Subtrop Agrobio, Guangzhou 510642, Peoples R China
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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