Evaluation of genetic characteristics and physicochemical property of Korean wheat landraces (Triticum aestivum L.)

Yumi Lee, Sejin Oh, Seong-Wook Kang, Jaeyoung Ock, Gitak Ryu, Seul Lee, Jinhee Park, Jin-Young Moon, Kim Jin-Young, Jongtae Lee and Seong-Woo Cho
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Yumi Lee: Department of GreenBio Science, Gyeongsang National University, Jinju, Republic of Korea
Sejin Oh: Department of Plant Resources, Gyeongsang National University, Jinju, Republic of Korea
Seong-Wook Kang: Department of GreenBio Science, Gyeongsang National University, Jinju, Republic of Korea
Jaeyoung Ock: Department of Smart Agro-Industry, Gyeongsang National University, Jinju, Republic of Korea
Gitak Ryu: Department of Smart Agro-Industry, Gyeongsang National University, Jinju, Republic of Korea
Seul Lee: Department of Smart Agro-Industry, Gyeongsang National University, Jinju, Republic of Korea
Jinhee Park: National Institute of Crop Science, Rural Development Administration, Wanju, Republic of Korea
Jin-Young Moon: Crop Science Division, Gyeongsangnam-do Agricultural Research and Extension Services, Jinju, Republic of Korea
Kim Jin-Young: Crop Science Division, Gyeongsangnam-do Agricultural Research and Extension Services, Jinju, Republic of Korea
Jongtae Lee: Crop Science Division, Gyeongsangnam-do Agricultural Research and Extension Services, Jinju, Republic of Korea
Seong-Woo Cho: Department of GreenBio Science, Gyeongsang National University, Jinju, Republic of Korea

Czech Journal of Genetics and Plant Breeding, vol. preprint

Abstract: This study has evaluated the genetic characteristics and wheat processing-related properties of four Korean wheat landraces (KWLs). The KWLs were found to possess the vernalization alleles vrn-A1, vrn-B1, and Vrn-D1 and the photoperiod alleles Ppd-A1b, Ppd-B1b, and Ppd-D1a. The Korean cultivated variety Keumgang also shared these alleles with the exception of vrn-D1. With regard to grain hardness, KWL 2 was shown to possess Pina-D1a and Pinb-D1b like Keumgang, while other KWLs were classified as carrying Pina-D1a and Pinb-D1a. All KWLs were found to be non-waxy, carrying the alleles Wx-A1a, Wx-B1a, and Wx-D1a. With regard to the polyphenol oxidase (PPO) genes, all four KWLs carried low-activity alleles, in contrast to the Keumgang sample. The assessment of physicochemical properties revealed that KWL 1, 3, and 4 had a higher amylose content but a lower protein content than KWL 2 and Keumgang. In tests of solvent retention capacity KWL 1 and KWL 2 exhibited the lowest and highest values, respectively, for all four solvents used in the tests. With regard to the dough properties, the results of Mixolab analysis indicated a faster starch gelatinisation in KWL1, while in KWL 2 a high water absorption and the longest dough development and stability times were found. KWL 3 and 4 exhibited similar dough behaviours. Principal component analysis of the four KWL lines revealed distinct clustering based on their physicochemical and dough-related traits.

Keywords: genetic resources; marker-assisted selection; Mixolab; solvent retention capacity; flour quality (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:preprint:id:48-2025-cjgpb

DOI: 10.17221/48/2025-CJGPB

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