The effects of salinity stress on Amorpha fruticosa Linn. seed germination, physiological and biochemical mechanisms

Authors

  • Zhan-Wu GAO Baicheng Normal University, Tourism and Geographical Science Institute, Baicheng 137000 (CN)
  • Yong-Guang MU Jilin Normal University, School of Life Sciences, Siping 136000, Jilin Province (CN)
  • Jian-Jun DING Jiaxiang Vacational Secondary Technical School, Jiaxiang 272400 (CN)
  • Ke-Jia DING Baicheng Normal University, Tourism and Geographical Science Institute, Baicheng 137000 (CN)
  • Jia-Tong LI Baicheng Normal University, Tourism and Geographical Science Institute, Baicheng 137000 (CN)
  • Xin-Ning LI Baicheng Normal University, Tourism and Geographical Science Institute, Baicheng 137000 (CN)
  • Li-Jie HE Baicheng Normal University, Tourism and Geographical Science Institute, Baicheng 137000 (CN)
  • Zhao-Jie WANG Guilin Tourism Universty Guilin 541000 (CN)
  • Chun-Sheng MU Northeast Normal University, College of Life Sciences, Institute of Grassland Science, Changchun, 130024 (CN)
  • Sulaiman A. ALHARBI King Saud University, College of Science, Department of Botany & Microbiology, Riyadh 11451 (SA)
  • Mohammad J. ANSARI Mahatma Jyotiba Phule Rohilkhand University Bareilly, Hindu College Moradabad, Department of Botany, 244001 (IN)
  • Adnan RASHEED Hunan Agricultural University, College of Agronomy, Changsha (CN)

DOI:

https://doi.org/10.15835/nbha52113552

Keywords:

germination, nutrient homeostasis, soluble sugars, salt stress

Abstract

Salinity stress is serious threat to crop productivity and globe food security. This study investigated the impact of NaCl (neutral salt) and basic salt (basic salt) on seed germination physiological and biochemical traits of Amorpha fruticosa. Salt stress had no significant effect on seed germination rate, however, alkali stress significantly decreased (p≤0.05) rate of germination. Both stresses also negatively affected the growth of radicle and germination (P <0.05), and the effect of alkali stress was greater than that of salt stress. The concentration of K+, Mg2+ and Na+/K+ in radicle and germ remained relatively stable, which was conducive to adapting to salt and alkali stress, but the concentration of K+, Mg2+, NO3-, H2PO4- and SO42- changed differently under salt and alkali stress. Tartaric acid was the main component of the 8 organic acids, and the accumulation changes of each component were different under salt stress and base stress. Tartaric acid was accumulated in large quantities under salt stress, and the accumulation of other acids (citric, malic, acetic, oxalic, formic and lactic acids) were markedly enhanced under alkali stress (P <0.05). Among the 16 free amino acids, arginine, alanine and threonine are the response solutes under salt stress, and glutamic acid and threonine are the response solutes under base stress. In In conclusion, proper concentration of salts can promote seed germination and radicle growth. Therefore, plant performance can be improved by soaking seeds in appropriate concentration of salts.

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Published

2024-03-28

How to Cite

GAO, Z.-W., MU, Y.-G., DING, J.-J., DING, K.-J., LI, J.-T., LI, X.-N., HE, L.-J., WANG, Z.-J., MU, C.-S., ALHARBI, S. A., ANSARI, M. J., & RASHEED, A. (2024). The effects of salinity stress on Amorpha fruticosa Linn. seed germination, physiological and biochemical mechanisms. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 52(1), 13552. https://doi.org/10.15835/nbha52113552

Issue

Vol. 52 No. 1 (2024)

Section

Research Articles
CITATION
DOI: 10.15835/nbha52113552

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Copyright (c) 2024 Zhan-Wu GAO, Yong-Guang MU, Jian-Jun DING, Ke-Jia DING, Jia-Tong LI, Xin-Ning LI, Li-Jie HE, Zhao-Jie WANG, Chun-Sheng MU, Sulaiman A. ALHARBI, Mohammad J. ANSARI, Adnan RASHEED

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