Effects of soil and climatic factors on arbuscular mycorrhizal fungi in rhizosphere soil under<i><scp>R</scp>obinia pseudoacacia</i>in the<scp>L</scp>oess<scp>P</scp>lateau,<scp>C</scp>hina

He, Fei; Tang, Ming; Zhong, Shuang; Yang, Ren; Li, Huang; Zhang, H. Q.

doi:10.1111/ejss.12381

Cited by 25 publications

(10 citation statements)

References 35 publications

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“…In this study, the high spore density and mycorrhizal colonization rate indicated that well-established mutualistic symbioses exist between AM fungi and the dominant tree species found on the Loess Plateau. Mutualistic relationships have been reported before for AM fungi with R. pseudoacacia [9,13], H. rhamnoides [10], P. cathayana [42], and J. communis [43], but not yet for S. matsudana. Many studies have demonstrated that AM fungi protect their host plants against the adverse effects of drought stress and soil nutrient depletion [3,9].…”

Section: Discussionmentioning

confidence: 79%

Arbuscular Mycorrhizal Fungal Communities Are Influenced by Host Tree Species on the Loess Plateau, Northwest China

Chen

Tang

2019

Forests

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Arbuscular mycorrhizal (AM) fungi can establish mutualistic symbioses with most terrestrial plants and therefore play a crucial role in the re-vegetation and rehabilitation of degraded ecosystems. Yet, little information is available on AM fungal communities associated with dominant tree species in the semi-arid region of the Loess Plateau, Northwest China. In this study, topsoil (0–20 cm) and subsoil (20–40 cm) samples were collected from the rhizosphere of five dominant tree species in northern Shaanxi Province, to investigate the distribution and diversity of their associated AM fungi. The tree species were Hippophae rhamnoides Linn., Juniperus communis L., Populus cathayana Rehd., Robinia pseudoacacia L., and Salix matsudana Koidz. In total, 24 AM fungal species of eight genera were isolated from the rhizosphere soil samples and identified based on their spore morphology. Funneliformis and Funneliformis monosporum were respectively the most abundant genus and species of AM fungi. The distribution and diversity of AM fungi differed among the five tree species and also between the two soil depths. Across different tree species, the spore density of AM fungi varied from 2.85 to 15.32 spores g−1 fresh soil, with a species richness of 3–7, Shannon–Wiener index of 0.81–1.08, and evenness index of 0.30–0.53. The mycorrhizal colonization rate had a significant negative correlation with both the Shannon-Wiener index and species richness, whereas it was positively correlated with the evenness index. Permutational multivariate analysis of variance, non-metric multidimensional scaling, and structural equation modeling revealed that tree species, rather than soil depth or its interactions with tree species, had significant effects on the composition of AM fungal communities. In conclusion, the distribution and diversity of AM fungi associated with the dominant tree species were mainly affected by host tree species identity in the semi-arid ecosystem. Claroideoglomus etunicatum (W.N. Becker & Gerdemann) C. Walker & A. Schüßler and Glomus reticulatum Bhattacharjee & Mukerji appeared to be promising candidates for ecological restoration in the Loess Plateau region because of their adaptation to its semi-arid conditions with a broad spectrum of host tree species.

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Section: Discussionmentioning

confidence: 79%

Arbuscular Mycorrhizal Fungal Communities Are Influenced by Host Tree Species on the Loess Plateau, Northwest China

Chen

Tang

2019

Forests

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“…The AM fungi of the phylum Glomeromycota have existed for over 460 million years (Khan, 2005). The mutualistic symbiosis between AM fungi and plants is ubiquitous (He et al, 2016; Murugesan et al, 2016). In natural conditions, AM fungi are associated with at least 80% of terrestrial plants, including pteridophytes, gymnosperms, and angiosperms (Huang et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Funneliformis mosseae Enhances Root Development and Pb Phytostabilization in Robinia pseudoacacia in Pb-Contaminated Soil

Chen

Zhang

et al. 2019

Front. Microbiol.

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It is possible that arbuscular mycorrhizal fungi play a pivotal role in root development and Pb phytostabilization in plants grown in Pb-contaminated soil. In this study, a pot experiment was conducted over 4 months to evaluate the effects of Funneliformis mosseae strain BGCXJ01A on root characteristics of black locust (Robinia pseudoacacia L.) seedlings in Pb-contaminated soil. Four Pb treatments (0, 90, 900, and 3,000 mg kg–1) were applied to soil in the presence and absence of F. mosseae. Inoculation with F. mosseae prominently improved root length, surface area, volume, and tip number in the plants across all Pb treatments. The F. mosseae inoculation also increased root diameter and fork number, especially under high Pb treatments. The presence of F. mosseae significantly increased the root activity and root tolerance index. However, there was little difference in specific root length between inoculated and non-inoculated plants. The biomass of roots, stems, and leaves all increased following inoculation with F. mosseae. Inoculated plants had greater accumulation and translocation capacities for Pb in the roots and stems, but lower capacities were found in the leaves when compared with those in non-inoculated plants. These results highlight that F. mosseae can alleviate the toxic effects of Pb on root development and can immobilize Pb in the roots and stems of R. pseudoacacia grown in Pb-contaminated soil. This study provides a model system for phytoremediation of Pb-contaminated soil via reciprocal symbiosis between arbuscular mycorrhizal fungi and woody legumes.

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“…According to [33] the diversity and density of AMF spores in the soil are determined by the activity of the previous crop cultivation. Moreover, according to [34], the precipitation may also have a direct impact on the diversity and population of AMF.…”

Section: A the Type Numbers And Frequency Of Sporesmentioning

confidence: 99%

Exploration and Identification of the Indigenous Arbuscular Mycorrhizae Fungi (AMF) in the Rhizosphere of Citronella (Andropogon nardus L.) in the Dry Land Regions in West Sumatra Province, Indonesia

Armansyah¹,

Anwar²,

Syarif³

et al. 2018

International Journal on Advanced Science, Engineering and Information Technology

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Climate change has an impact on the transition function of the wetland to dry land. This shift led to the increased of the dry land area with less potential for food crops and horticulture. Citronella plants have been identified as one of the lemongrass crops that able to survive in the dry land area. However, the resulting yield to produce citronella oil is still very low at 0.8 to 1.0%. In this regard, Arbuscular Mycorrhizae Fungi (AMF) was indicated to be able to increase the absorption of nutrients and water in many plants in the dry land regions. The type of AMF that compatible enough with citronella plant was not identified yet. The purpose of this study was to determine the number and diversity of AMF in the rhizosphere of indigenous citronella (lemongrass). The study was conducted from August to November 2015 in three regions of cultivation of citronella using survey methods and wet screening. The study found four important AMF geniuses in the study site; there are Glomus, Acaulospora Gigaspora, and Sclerocystis.

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Effects of soil and climatic factors on arbuscular mycorrhizal fungi in rhizosphere soil underRobinia pseudoacaciain theLoessPlateau,China

Cited by 25 publications

References 35 publications

Arbuscular Mycorrhizal Fungal Communities Are Influenced by Host Tree Species on the Loess Plateau, Northwest China

Arbuscular Mycorrhizal Fungal Communities Are Influenced by Host Tree Species on the Loess Plateau, Northwest China

Funneliformis mosseae Enhances Root Development and Pb Phytostabilization in Robinia pseudoacacia in Pb-Contaminated Soil

Exploration and Identification of the Indigenous Arbuscular Mycorrhizae Fungi (AMF) in the Rhizosphere of Citronella (Andropogon nardus L.) in the Dry Land Regions in West Sumatra Province, Indonesia

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