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Effects of Different Arbuscular Mycorrhizal Fungi on Physiology of Viola prionantha under Salt Stress

Yajie Liu, Linlin Fang, Wenna Zhao, Chunxue Yang*

College of Landscape Architecture, Northeast Forestry University, Harbin, 150040, China

* Corresponding Author: Chunxue Yang. Email: email

(This article belongs to the Special Issue: Mycorrhizal Fungi and Sustainable Development of Agriculture)

Phyton-International Journal of Experimental Botany 2023, 92(1), 55-69.


Arbuscular mycorrhizal (AM) fungi distribute widely in natural habits and play a variety of ecological functions. In order to test the physiological response to salt stress mediated by different AM fungi, Viola prionantha was selected as the host, the dominant AM fungus in the rhizosphere of V. philippica growing in Songnen saline-alkali grassland, Rhizophagus irregularis, and their mixtures were used as inoculants, and NaCl stress was applied after the roots were colonized. The results showed that V. philippica could be colonized by AM fungi in the field and the colonization rate ranged from 73.33% to 96.67%, and Claroideoglomus etunicatum was identified as the dominant AM fungi species in the rhizosphere of V. philippica by morphology combined with sequencing for AM fungal AML1/AML2 target. Inoculation with both the species resulted in the formation of mycorrhizal symbiosis (the colonization rate was more than 70%) and AM fungi significantly enhanced plants’ tolerance to salt stress of varying magnitude. Higher activity of antioxidant enzymes and augmented levels of proline and other osmoregulators were observed in AM plants. The content of MDA in CK was higher than that in the inoculations with the stress of 100, 200, and 250 mM. All indices except soluble protein content and MDA content were significantly correlated with AM fungal colonization indices. The analysis for different AM fungal effects showed that the mixtures and R. irregularis worked even better than C. etunicatum. These results will provide theoretical support for the exploration and screening of salt-tolerant AM fungi species and also for the application of AM-ornamental plants in saline-alkali urban greening.


Cite This Article

APA Style
Liu, Y., Fang, L., Zhao, W., Yang, C. (2023). Effects of different arbuscular mycorrhizal fungi on physiology of <i>viola prionantha</i> under salt stress. Phyton-International Journal of Experimental Botany, 92(1), 55-69.
Vancouver Style
Liu Y, Fang L, Zhao W, Yang C. Effects of different arbuscular mycorrhizal fungi on physiology of <i>viola prionantha</i> under salt stress. Phyton-Int J Exp Bot. 2023;92(1):55-69
IEEE Style
Y. Liu, L. Fang, W. Zhao, and C. Yang "Effects of Different Arbuscular Mycorrhizal Fungi on Physiology of <i>Viola prionantha</i> under Salt Stress," Phyton-Int. J. Exp. Bot., vol. 92, no. 1, pp. 55-69. 2023.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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