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Genome-Wide Association Study on Agronomic Traits Related to Yield in Common Wheat
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Kefeng SONG1, Yuanhang XING1, Huiling ZHAO1, Chuanliang ZHANG1, Yueyue LI1, Pengbo SONG1, Wensha ZHAO1, Aoyan ZHANG1, Juntao JIAN2, Daojie SUN1
Journal of Triticeae Crops | 2026, 46(1) : 32 - 43
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Journal of Triticeae Crops | 2026, 46(1): 32-43
• Genetics & Breeding •
Genome-Wide Association Study on Agronomic Traits Related to Yield in Common Wheat
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Kefeng SONG1, Yuanhang XING1, Huiling ZHAO1, Chuanliang ZHANG1, Yueyue LI1, Pengbo SONG1, Wensha ZHAO1, Aoyan ZHANG1, Juntao JIAN2, Daojie SUN1
Affiliations
  • 1.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
  • 2.Nanyang Academy of Agricultural Sciences, Nanyang, Henan 473000, China
Published: 2026-01-15 doi: 10.7606/j.issn.1009-1041.2026.01.04
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To analyze the genetic rules of agronomic traits related to wheat yield, in this study, 319 wheat materials and 16K SNP array data were utilized. Through the method of genome-wide association study (GWAS), seven yield-related traits, namely plant height, spike length, number of spikelets per spike, 1 000-grain weight, grain length, grain width, and grain length-to-width ratio, were analyzed in five environments. The results showed that all the seven traits exhibited extensive phenotypic variations, with the coefficient of variation ranging from 5.97% to 15.77%, and the broad-sense heritability ranging from 82.42% to 96.62%. The results of the genome-wide association analysis indicated that a total of 98 significant and stable SNP loci were detected in five environments, explaining 2.9% to 12.1% of the phenotypic variations. Among them, three SNP loci, namely 1D-325966494, 2D-645942075, and 7D-166300030, showed pleiotropy. Through haplotype analysis, two excellent haplotypes that significantly reduced the plant height were obtained, which were located in specific regions of chromosomes 2A and 3A. One candidate gene TraesCS2A02G457400 related to plant height was identified, and its function has not been clarified yet.

Wheat  /  Genome-wide association study  /  Yield traits  /  SNP markers  /  Candidate genes
Kefeng SONG, Yuanhang XING, Huiling ZHAO, Chuanliang ZHANG, Yueyue LI, Pengbo SONG, Wensha ZHAO, Aoyan ZHANG, Juntao JIAN, Daojie SUN. Genome-Wide Association Study on Agronomic Traits Related to Yield in Common Wheat[J]. Journal of Triticeae Crops, 2026 , 46 (1) : 32 -43 . DOI: 10.7606/j.issn.1009-1041.2026.01.04
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Year 2026 volume 46 Issue 1
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Article Info
doi: 10.7606/j.issn.1009-1041.2026.01.04
  • Receive Date：2025-02-25
  • Online Date：2026-09-11
  • Published：2026-01-15
Article Data
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History
  • Received：2025-02-25
  • Revised：2025-04-28
Funding
Affiliations
    1.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
    2.Nanyang Academy of Agricultural Sciences, Nanyang, Henan 473000, China
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https://castjournals.cast.org.cn/joweb/mlzwxb/EN/10.7606/j.issn.1009-1041.2026.01.04
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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