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Diversity of Tartary Buckwheat (Fagopyrum tataricum) landraces from Liangshan, Southwest China: Evidence from morphology and SSR markers

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Title Diversity of Tartary Buckwheat (Fagopyrum tataricum) landraces from Liangshan, Southwest China: Evidence from morphology and SSR markers
 
Creator Song, Yingjie
Cheng, Zhuo
Dong, Yumei
Liu, Dongmei
Bai, Keyu
Jarvis, Devra I.
Feng, Jinchao
Long, Chunlin
 
Subject Fagopyrum tataricum
genetic diversity
genetic structures
plant morphology
indigenous peoples' knowledge
diversidad genética
morfología vegetal
conocimientos de los pueblos indígenas
 
Description Tartary buckwheat (Fagopyrum tataricum) has been cultivated for over one thousand years in the Liangshan Prefecture of Sichuan, China. Growing population pressures, economic modernization pressures, and the erosion of traditional culture have led to the rapid loss of area covered by Tartary buckwheat landraces. Morphological and molecular characterization of 112 Tartary buckwheat accessions from 29 populations were assessed based on 10 morphological traits of seeds and 10 SSR markers, respectively. The coefficient of variation and Shannon index showed diversity within the morphological characteristics of the seeds. All accessions were divided into three categories according to phylogenetic dendrogram analysis, which was consistent with folk nomenclature and taxonomy. Genetic analysis using SSR markers identified 45 alleles with a mean value of 4.5 alleles per locus. The high average PIC value (0.459) indicated polymorphism of the SSR markers. The genetic similarity coefficient of the 112 Tartary buckwheat accessions showed a high level of genetic diversity ranging from 0.130 to 0.978. The genetic structure analysis revealed high genetic differentiation (Nei = 0.255). The folk nomenclature, folk taxonomy, and sociocultural norms may also contribute to a significant influence on the diversity of folk nomenclature and taxonomy. The assessment of the genetic diversity of Tartary buckwheat landraces and detection of SSR loci associated with traits could be used as scientific guidance for selecting Tartary buckwheat seed for improved production relative to local farmers and consumer preferences. Local traditional knowledge (seed exchange network) and culture also contribute to breeding and the maintenance of the genetic diversity of Tartary buckwheat.
 
Date 2022-04-24
2022-04-27T14:23:26Z
2022-04-27T14:23:26Z
 
Type Journal Article
 
Identifier Song, Y.; Cheng, Z.; Dong, Y.; Liu, D.; Bai, K.; Jarvis, D.; Feng, J.; Long, C. (2022) Diversity of Tartary Buckwheat (Fagopyrum tataricum) landraces from Liangshan, Southwest China: Evidence from morphology and SSR markers. Agronomy 12(5):1022. ISSN: 2073-4395
2073-4395
https://hdl.handle.net/10568/119400
https://doi.org/10.3390/agronomy12051022
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 15 p.
application/pdf
 
Publisher MDPI
 
Source Agronomy