文献类型：期刊文献

英文题名：Arbuscular mycorrhizal fungi (AMF) enhance the tolerance of Euonymus maackii Rupr. at a moderate level of salinity

作者：Li, Zhen[1] Wu, Na[1] Meng, Sen[2] Wu, Fei[3] Liu, Ting[4]

第一作者：Li, Zhen

通信作者：Wu, N[1]

机构：[1]Shanxi Datong Univ, Sch Life Sci, Inst Appl Biotechnol, Datong, Shanxi, Peoples R China;[2]Chinese Acad Forestry, Res Inst Trop Forestry, State Key Lab Tree Genet & Breeding, Guangzhou, Guangdong, Peoples R China;[3]Jiangxi Agr Univ, Coll Forestry, 2011 Collaborat Innovat Ctr Jiangxi Typ Trees Cul, Nanchang, Jiangxi, Peoples R China;[4]Zunyi Normal Coll, Coll Biol & Agr, Zunyi, Jiangxi, Peoples R China

年份：2020

卷号：15

期号：4

外文期刊名：PLOS ONE

收录：;Scopus(收录号：2-s2.0-85083389586);WOS:【SCI-EXPANDED(收录号:WOS:000535997100041)】；

基金：The authors received funding by the National Science Foundation for Young Scientists of China (31901227, Zhen Li), Doctoral Research Project of Shanxi Datong University (2018-B-47 Na Wu and 2018-B-45 Zhen Li). Both of them played roles in study design, data collection and analysis, decision to publish, and preparation of the manuscript.

语种：英文

摘要：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 (200 mM) NaCl concentration. Our study indicated AMF had positive impact on E. maackii subjected to salt, which suggested potential application of AMF- E. maackii on restoration of salt ecosystems.