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Genetic diversity and population structure of Curcuma alismatifolia Gagnep. accessions revealed by SSR markers

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Abstract

Curcuma alismatifolia is a showy ornamental of the genus Curcuma. Thirty-two C. alismatifolia accessions with high morphologic diversity were collected in this study. A total of 139 alleles were detected by 27 SSR markers. The average values of Shannon's Information index (I) and polymorphism information content were 1.267 and 0.667, respectively. Population structure about the C. alismatifolia accessions was first reported, and the 32 C. alismatifolia accessions were divided into two groups. The genetic differentiation (Fst) between these two groups was 0.127. Phylogenetic analysis showed that two clusters of the whole accessions in the study were related to pedicel length, inflorescence length and yield. The results suggested a high level of genetic diversity among these accessions. Taken together, this study provides a reference for C. alismatifolia industry and a new insight into the genetic diversity and population structure, as well as promotes the breeding program of C. alismatifolia.

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Acknowledgements

The authors appreciate the assistance of Zhangzhou Jinluan Horticulture Co. LTD, Zhangzhou city, Fujian province, China.

Funding

This project was supported by Natural Science Foundation of Fujian Province (2020J05168), Educational Research Project for Young and Middle-aged Teachers in Fujian Province (JAT190389), Regional Development Project of Science and Technology Department of Fujian Province (2020N3010) and the Principal Foundation of Minnan Normal University (4206/L21816, 4206/L21715).

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All authors contributed to the study conception and design. Plant materials were collected by JS Lin and YY Li. Experimentation, and data collection were performed by YL Xiao, SJ Chen and YH Li. The analysis of the data was implemented by LJ Ke and QL Tian. The manuscript was written by HW Yu and LM Lu.

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Correspondence to Hui-Wen Yu or Luan-Mei Lu.

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The authors declare that they have no conflict of interests.

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Yu, HW., Ke, LJ., Xiao, YL. et al. Genetic diversity and population structure of Curcuma alismatifolia Gagnep. accessions revealed by SSR markers. Genet Resour Crop Evol 69, 1661–1669 (2022). https://doi.org/10.1007/s10722-021-01329-8

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  • DOI: https://doi.org/10.1007/s10722-021-01329-8

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