Leaf angle: a target of genetic improvement in cereal crops tailored for high-density planting

被引：94
作者：
Cao, Yingying [1 ]
Zhong, Zhuojun [1 ]
Wang, Haiyang [1 ,2 ]
Shen, Rongxin [1 ]
机构：
[1] South China Agr Univ, State Key Lab Conservat & Utilizat Subtrop Agrobi, Guangzhou, Peoples R China
[2] Guangdong Lab Lingnan Modern Agr, Guangzhou, Peoples R China
来源：
PLANT BIOTECHNOLOGY JOURNAL | 2022年 / 20卷 / 03期
基金：
中国国家自然科学基金;
关键词：
cereal crop; plant architecture; leaf angle; dense planting; grain yield; QUANTITATIVE TRAIT LOCI; MAIZE HOMEOBOX GENE; RICE DWARF MUTANT; ZEA-MAYS L; LAMINA JOINT; BRASSINOSTEROID BIOSYNTHESIS; TRANSCRIPTION FACTOR; EXPRESSION PATTERNS; ARCHITECTURE TRAITS; NEGATIVE REGULATOR;
D O I：
10.1111/pbi.13780
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
High-density planting is an effective measure for increasing crop yield per unit land area. Leaf angle (LA) is a key trait of plant architecture and a target for genetic improvement of crops. Upright leaves allow better light capture in canopy under high-density planting, thus enhancing photosynthesis efficiency, ventilation and stress resistance, and ultimately higher grain yield. Here, we summarized the latest progress on the cellular and molecular mechanisms regulating LA formation in rice and maize. We suggest several standing out questions for future studies and then propose some promising strategies to manipulate LA for breeding of cereal crops tailored for high-density planting.
引用
收藏
页码：426 / 436
页数：11
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