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Acta Prataculturae Sinica ›› 2025, Vol. 34 ›› Issue (7): 196-209.DOI: 10.11686/cyxb2024313

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Seed germination and seedling growth characteristics of Glycyrrhiza uralensis from different provenances

Xiao-hong BAI1,2,3,4(), Wen-yan CHEN1,2,3,4, Qin LI1,2,3,4, Yi-xuan WANG1,2,3,4, Xue ZHANG1,2,3,4(), Lei WANG1,2,3,4, Wen-jie QU1,2,3,4, Lin ZHU1,2,3,4   

  1. 1.College of Ecological Environment of Ningxia University,Yinchuan 750021,China
    2.Cultivation Base of State Key Laboratory of Land Degradation and Ecosystem Restoration in Northwest China,Yinchuan 750021,China
    3.Key Laboratory of Restoration and Reconstruction of Degraded Ecosystem in Northwest China,Ministry of Education,Yinchuan 750021,China
    4.Ningxia Yellow River Wetland Ecosystem National Positioning Observation and Research Station,Yinchuan 750021,China
  • Received:2024-08-08 Revised:2024-10-08 Online:2025-07-20 Published:2025-05-12
  • Contact: Xue ZHANG

Abstract:

In this research a comparative study of seed germination and seedling growth characteristics of Glycyrrhiza uralensis germplasm lines of eight different provenances was conducted. It was found that there were significant differences in seed germination characteristics and seedling morphological characteristics among different accessions of G. uralensisP<0.05). The genetic diversity index ranged from 1.21 to 1.91, and the coefficient of variation ranged from 11.05% to 83.55%. Seeds from Yili were found to have higher germination rate at a range of different temperatures, indicating that they tolerate a wide range of germination temperatures. Seed length and width were significantly negatively correlated with seed germination rate and seed germination index (P≤0.01). 1000-seed weight was significantly negatively correlated with seed germination vigor (P≤0.01). Plant height was significantly positively correlated with seed germination rate (r=0.59, P≤0.01). A multi-trait evaluation using a membership function method showed that the quality of seed lines from Chifeng provenance was the best, with a comprehensive evaluation D value of 0.89, followed by Huining and Hangjinqi, with comprehensive evaluation D values of 0.83 and 0.75, respectively. These three germplasm lines could therefore be used as high-quality resources for artificial breeding.

Key words: Glycyrrhiza uralensis, phenotypic characteristics, germination characteristics, comprehensive evaluation