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Analysis of Genetic Diversity of Flax Germplasm Resources
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Fengyun Gao1, Liuxi Yi2, Yu Zhou1, Siqinbateer1, Ruichao He1, Xiaoyun Jia1
Crops | 2026, 42(1) : 60 - 71
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Crops | 2026, 42(1): 60-71
Analysis of Genetic Diversity of Flax Germplasm Resources
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Fengyun Gao1, Liuxi Yi2, Yu Zhou1, Siqinbateer1, Ruichao He1, Xiaoyun Jia1
Affiliations
  • 1Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, Inner Mongolia, China
  • 2Institute of Agronomy, Inner Mongolia Agriculture University, Huhhot 010018, Inner Mongolia, China
Published: 2026-02-15 doi: 10.16035/j.issn.1001-7283.2026.01.009
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In order to understand the genetic background of flax germplasm resources and breed high-quality flax varieties, genetic diversity analysis, cluster analysis, principal component analysis and population structure were conducted on nine agronomic traits and six quality traits of 387 flax germplasm resources by phenotypic traits and molecular markers (SSR). The genetic diversity index of agronomic traits was between 0.70 and 2.08, and the coefficient of variation was between 5.55% and 129.18%. The genetic diversity index of quality traits ranged from 1.83 to 2.08, and the coefficient of variation ranged between 0.07% and 1.38%. A total of 320 SSR loci were amplified with an average of 11.81 loci per primer pair; the effective allele number was 1.1991-1.8230, PIC of primers varied from 0.2489 to 0.6257; at the genetic similarity coefficient of 0.66, the 387 flax germplasm resources could be divided into five groups, and cluster analysis based on agronomic traits and quality cluster analysis could also be divided the germplasm resources into five groups.

Flax  /  Genetic diversity  /  Agronomic trait  /  Quality trait  /  SSR
Fengyun Gao, Liuxi Yi, Yu Zhou, Siqinbateer, Ruichao He, Xiaoyun Jia. Analysis of Genetic Diversity of Flax Germplasm Resources[J]. Crops, 2026 , 42 (1) : 60 -71 . DOI: 10.16035/j.issn.1001-7283.2026.01.009
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Article Info
doi: 10.16035/j.issn.1001-7283.2026.01.009
  • Receive Date：2024-08-27
  • Online Date：2026-04-30
  • Published：2026-02-15
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  • Received：2024-08-27
  • Revised：2024-12-02
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    1Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot 010031, Inner Mongolia, China
    2Institute of Agronomy, Inner Mongolia Agriculture University, Huhhot 010018, Inner Mongolia, China
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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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