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      Mutual plant-fungi symbiosis compromised by fungicide use

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      Communications Biology
      Nature Publishing Group UK

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          Abstract

          Soil microbiota, including arbuscular mycorrhizal fungi (AMF), are critical for plant nutrition in non-agricultural ecosystems. A new study by Edlinger et al. shows that agricultural soils are negatively impacted by fungicide use and generally have lower AMF diversity and abundance.

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          Ploughing up the wood-wide web?

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            Environmental consequences of agricultural development: a case study from the Green Revolution state of Haryana, India

            R.B. Singh (2000)
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              Agricultural management and pesticide use reduce the functioning of beneficial plant symbionts

              Phosphorus (P) acquisition is key for plant growth. Arbuscular mycorrhizal fungi (AMF) help plants acquire P from soil. Understanding which factors drive AMF-supported nutrient uptake is essential to develop more sustainable agroecosystems. Here, we collected soils from 150 cereal fields and 60 non-cropped grassland sites across a 3,000 km trans-European gradient. In a greenhouse experiment, we tested the ability of AMF in these soils to forage for the radioisotope 33 P from a hyphal compartment. AMF communities in grassland soils were much more efficient in acquiring 33 P and transferred 64% more 33 P to plants compared to AMF in cropland soils. Fungicide application best explained hyphal 33 P transfer in cropland soils. The use of fungicides and subsequent decline in AMF richness in croplands reduced 33 P uptake by 43%. Our results suggest that land-use intensity and fungicide use are major deterrents to the functioning and natural nutrient uptake capacity of AMF in agroecosystems.
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                Author and article information

                Contributors
                gavin.duley@alumni.griffithuni.edu.au
                Journal
                Commun Biol
                Commun Biol
                Communications Biology
                Nature Publishing Group UK (London )
                2399-3642
                7 October 2022
                7 October 2022
                2022
                : 5
                : 1069
                Affiliations
                GRID grid.34988.3e, ISNI 0000 0001 1482 2038, Faculty of Science and Technology, , Free University of Bozen-Bolzano, ; Piazza Università 1, 39100 Bolzano, Italy
                Article
                4029
                10.1038/s42003-022-04029-w
                9546865
                36207526
                3c168456-2b2d-4252-9840-dc811a0015d6
                © The Author(s) 2022

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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