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Arbuscular mycorrhizal fungi (AMF) enhance the tolerance of Euonymus maackii Rupr. at a moderate level of salinity by Li, Zhen; Wu, Na; Meng, Sen; Wu, Fei; Liu, Ting; Saia, Sergio is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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Salt stress is one of the major environmental constraints for plant growth. Although the ways in which mycorrhizal plants deal with salt stress have been well documented, it still is blank for __Euonymus maackii__, an important local ecological restoration tree, to arbuscular mycorrhizal fungi (AMF) inoculation and salt stress. In this study, we tested the effect of different salt levels (0, 50, 100,150 and 200 mM) and AMF inoculation on __E__. __maackii__ growth rate, photosynthesis, antioxidant enzymes, nutrient absorption and salt ion distribution. The results indicated negative effect of salt on height, photosynthesis capacity, nutrition accumulation, while salt stimulated the antioxidant defense system and salt ions accumulation. The toxic symptom by excessive accumulation of salt ions worsen with salt level increased gradually (except for the 50 mM NaCl treatment). AMF inoculation alleviated the toxic symptom under moderate salt levels (100 and 150 mM) by increasing photosynthesis capacity, accelerating nutrient absorption and activating antioxidant enzyme activities under salt stress. Meanwhile, effect of AMF was not detected on seedlings under slight (0 and 50 mM) and high

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Author

Li, Zhen; Wu, Na; Meng, Sen; Wu, Fei; Liu, Ting; Saia, Sergio

Publisher

Public Library of Science; San Francisco CA: Public Library of Science; Publons; ScienceOpen; Public Library of Science (PLoS) (ISSN 1932-6203)

Published

2020

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)