Variations in phenological, physiological, plant architectural and yield-related traits, their associations with grain yield and genetic basis
文献类型:期刊论文
作者 | Li, Yibo5; Tao, Fulu4,5; Hao, Yuanfeng3; Tong, Jingyang3; Xiao, Yonggui3; He, Zhonghu3; Reynolds, Matthew2 |
刊名 | ANNALS OF BOTANY |
出版日期 | 2023-04-01 |
卷号 | N/A |
ISSN号 | 1095-8290 |
关键词 | Genetic variation ideotypes photosynthetic traits Triticum aestivum yield potential |
DOI | 10.1093/aob/mcad003 |
文献子类 | Article; Early Access |
英文摘要 | Background and Aims Physiological and morphological traits play essential roles in wheat (Triticum aestivum) growth and development. In particular, photosynthesis is a limitation to yield. Increasing photosynthesis in wheat has been identified as an important strategy to increase yield. However, the genotypic variations and the genomic regions governing morphological, architectural and photosynthesis traits remain unexplored. Methods Here, we conducted a large-scale investigation of the phenological, physiological, plant architectural and yield-related traits, involving 32 traits for 166 wheat lines during 2018-2020 in four environments, and performed a genome-wide association study with wheat 90K and 660K single nucleotide polymorphism (SNP) arrays. Key Results These traits exhibited considerable genotypic variations in the wheat diversity panel. Higher yield was associated with higher net photosynthetic rate (r = 0.41, P < 0.01), thousand-grain weight (r = 0.36, P < 0.01) and truncated and lanceolate shape, but shorter plant height (r = -0.63, P < 0.01), flag leaf angle (r = -0.49, P < 0.01) and spike number per square metre (r = -0.22, P < 0.01). Genome-wide association mapping discovered 1236 significant stable loci detected in the four environments among the 32 traits using SNP markers. Trait values have a cumulative effect as the number of the favourable alleles increases, and significant progress has been made in determining phenotypic values and favourable alleles over the years. Eleven elite cultivars and 14 traits associated with grain yield per plot (GY) were identified as potential parental lines and as target traits to develop high-yielding cultivars. Conclusions This study provides new insights into the phenotypic and genetic elucidation of physiological and morphological traits in wheat and their associations with GY, paving the way for discovering their underlying gene control and for developing enhanced ideotypes in wheat breeding. |
WOS关键词 | GENOME-WIDE ASSOCIATION ; LEAF PHOTOSYNTHETIC RATE ; BREAD WHEAT ; BIOMASS ACCUMULATION ; STOMATAL CONDUCTANCE ; GENOTYPIC VARIATION ; AGRONOMIC TRAITS ; WATER-CONTENT ; GROWTH-STAGES ; COMMON WHEAT |
WOS研究方向 | Plant Sciences |
出版者 | OXFORD UNIV PRESS |
WOS记录号 | WOS:000942781200001 |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/190354] |
专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
作者单位 | 1.Int Maize & Wheat Improvement Ctr CIMMYT, Texcoco, Mexico 2.Chinese Acad Agr Sci, Inst Crop Sci, Beijing 100081, Peoples R China 3.Nat Resources Inst Finland Luke, Helsinki, Finland 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, CAS, Beijing 100101, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Yibo,Tao, Fulu,Hao, Yuanfeng,et al. Variations in phenological, physiological, plant architectural and yield-related traits, their associations with grain yield and genetic basis[J]. ANNALS OF BOTANY,2023,N/A. |
APA | Li, Yibo.,Tao, Fulu.,Hao, Yuanfeng.,Tong, Jingyang.,Xiao, Yonggui.,...&Reynolds, Matthew.(2023).Variations in phenological, physiological, plant architectural and yield-related traits, their associations with grain yield and genetic basis.ANNALS OF BOTANY,N/A. |
MLA | Li, Yibo,et al."Variations in phenological, physiological, plant architectural and yield-related traits, their associations with grain yield and genetic basis".ANNALS OF BOTANY N/A(2023). |
入库方式: OAI收割
来源:地理科学与资源研究所
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