Disturbance and land use effect on functional diversity of the arbuscular mycorrhizal fungi

Aguilar, Dora Trejo; Barois, Isabelle; Sangabriel-Conde, Wendy

doi:10.1007/s10457-015-9852-4

Cited by 41 publications

(19 citation statements)

References 82 publications

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“…While AMF are often found to have positive effects on host plant nutrition and growth, intensive agricultural management practices have the capacity to shift mycorrhizal function. High nutrient availability from chemical fertilisers, and disturbance may reduce the role of mycorrhizas to neutral symbionts (Antunes et al 2012;Trejo, Barois & Sangabriel-Conde 2016) or even to pathogens/parasites (Johnson et al 2015). High functional diversity among morphotypes of AMF (Mensah et al 2015) illustrate the importance of considering the long-term site history and previous management practices employed and the future use of the land before introducing AMF inocula.…”

Section: Amf For Improving Agricultural Sustainability: Future Directmentioning

confidence: 99%

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Are mycorrhizal fungi our sustainable saviours? Considerations for achieving food security

et al. 2017

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Summary The 20th century saw dramatic increases in agricultural productivity, largely through the development and application of pesticides, fertilisers rich in nitrogen and phosphorus, and advances in plant breeding and genetic technologies. In the last 15 years, however, many key crop yields have plateaued. Climate change, an ever‐increasing human population, depletion of global rock‐phosphorus and growing energy prices make current fertiliser production unsustainable and represent sizeable challenges to global food security. Many important crops form symbioses with arbuscular mycorrhizal fungi (AMF), and this has motivated the development of novel approaches in crop breeding and agricultural practices to support and promote AMF in agroecosystems. Arbuscular mycorrhizal fungal symbiosis can be high beneficial in crops and wider agroecosystems in many ways, including improved soil structure and resistance to pests. However, AMF colonisation does not necessarily translate directly into enhanced plant performance or crop yield, while land management practices that would encourage mycorrhiza–crop associations, such as low‐till or minimal chemical input often incur yield‐reducing trade‐offs. Synthesis. We draw on ecological knowledge of AMF to inform their role in agroecosystems, providing a balanced look at mycorrhiza–crop symbioses in terms of plant ecophysiology and the wider role of AMF in agroecosystems and ask the question: are AMF our sustainable saviours?

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Section: Amf For Improving Agricultural Sustainability: Future Directmentioning

confidence: 99%

“…High nutrient availability from chemical fertilisers, and disturbance may reduce the role of mycorrhizas to neutral symbionts (Antunes et al . ; Trejo, Barois & Sangabriel‐Conde ) or even to pathogens/parasites (Johnson et al . ).…”

Section: Amf For Improving Agricultural Sustainability: Future Directmentioning

confidence: 99%

Are mycorrhizal fungi our sustainable saviours? Considerations for achieving food security

et al. 2017

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“…Nevertheless, no significant difference was observed in SD values with regard to P. euphratica (Table 7). The higher SD in Distance II may be explained by soil compaction that reduced root growth (Wallace, 1987;Trejo et al, 2016). In the present study, P. euphratica and T. arceuthoides showed different SD and root colonization rates, reflecting the fact that different plant species respond differently to these two factors (Li et al, 2007).…”

Section: Spore Density (Sd) and Root Colonization Ratementioning

confidence: 49%

Sand mining disturbances and their effects on the diversity of arbuscular mycorrhizal fungi in a riparian forest of Iran

et al. 2017

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The major objective of this study was to evaluate the effects of sand mining disturbances on the diversity of arbuscular mycorrhizal fungi (AMF). In addition, the proportional changes in the diversity of AMF to the distances from riverbanks were assessed. For this purpose, the riparian forest of the Maroon River, Iran was divided into three locations with a 200-meter wide zone in between. Thus, the locations studied were named Distance I (riverbank), Distance II (intermediate), and Distance III (farthest from riverbank). In each of these distances, 10 Tamarix arceuthoides and Populus euphratica of each species were randomly selected. At the same time, soil and root samples were collected from the rhizosphere of the tree species studied. Results indicated that totally 13 AMF species were observed in T. arceuthoides and 19 AMF species were recorded in P. euphratica rhizosphere belonging to 6 genera and 6 families. In these AMF species, Glomus segmentatum, G. geosporum, G. rubiforme, G. nanolumen, G. spinuliferum, Claroideoglomus drummondii, Gigaspora gigantea and Acaulospora paulinae appeared only in P. euphratica rhizosphere, while G. multiforum and Claroideoglomus claroideum were observed only in T. arceuthoides rhizosphere. Moreover, Distance II had the least AMF species both in T. arceuthoides and in P. euphratica rhizospheres, and also the least spore density and root colonization rate. Our results are important in that they provide a list of resistant AMF species that could be used in the conservation of biodiversity.

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“…This phenomenon led to the low percentage of infection and infection intensity at the FMA plant roots of citronella. Study of [38] has also given a similar indication in the pastureland area. In the undisturbed pastureland, the root of the grass has relatively high infection percentage (almost 100%) of AMF that encourage the higher proliferation of AMF in the rhizosphere.…”

Section: The Intensity Of Amf Colonymentioning

confidence: 69%

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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Disturbance and land use effect on functional diversity of the arbuscular mycorrhizal fungi

Cited by 41 publications

References 82 publications

Are mycorrhizal fungi our sustainable saviours? Considerations for achieving food security

Are mycorrhizal fungi our sustainable saviours? Considerations for achieving food security

Sand mining disturbances and their effects on the diversity of arbuscular mycorrhizal fungi in a riparian forest of Iran

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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