Identification of salt-tolerant cultivars and plant traits in wheat during germination and seedling emergence stages

Lin Zhao, Simeng Li, Xuemei He, Hanyu Liu, Yiran Cheng, Yi Wang, Houyang Kang and Jian Zeng
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Lin Zhao: College of Resources, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China
Simeng Li: College of Resources, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China
Xuemei He: Agricultural Technology Extension Center of Luojiang District, Luojiang, Sichuan, P.R. China
Hanyu Liu: College of Resources, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China
Yiran Cheng: State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China
Yi Wang: Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China
Houyang Kang: Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China
Jian Zeng: College of Resources, Sichuan Agricultural University, Wenjiang, Sichuan, P.R. China

Plant, Soil and Environment, 2025, vol. 71, issue 2, 123-135

Abstract: In this study, we assessed the salt tolerance of 38 wheat cultivars from primary wheat cultivation regions in China using a membership function value (MFV) during the germination and seedling emergence stages. Based on salt tolerance assessment, three contrasting groups were classified, with 10 tolerant, 23 moderately tolerant and 5 sensitive cultivars under low salt stress, and 4 tolerant, 25 moderately tolerant and 9 sensitive cultivars under high salt stress and in addition to Na+ and K+ homeostasis regulation, nitrogen efficient transfer from seed to plant tissues denoted the significant positive correlation with salt tolerance, confirming the importance of nutrient spectra organisation. Salt-tolerant and moderately tolerant cultivars had lower trait network modularity than salt-sensitive cultivars, demonstrating that wheat with different salt tolerance uses alternative strategies to cope with salt stress. These results were important for germplasm evaluation and variety breeding of salt tolerance in wheat.

Keywords: salinity; Triticum aestivum L.; germination capacity; seedling growth; network analysis (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:71:y:2025:i:2:id:449-2024-pse

DOI: 10.17221/449/2024-PSE

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