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Beyond nutrients : A meta-analysis of the diverse effects of arbuscular mycorrhizal fungi on plants and soils [Ecology]

Keywords : arbuscular mycorrhizas, mutualism-parasitism continuum, soil aggregation, disease resistance, plant defense, plant chemical defense, allelochemical transport, allelochemical protection, water uptake, nutrient uptake, meta-analysis

par Frédéric Magné - publié le

Arbuscular mycorrhizal fungi (AMF) can increase plant fitness under certain environmental conditions. Among the mechanisms that may drive this mutualism, the most studied is provisioning of nutrients by AMF in exchange for carbon from plant hosts. However, AMF may also provide a suite of non-nutritional benefits to plants including improved water uptake, disease resistance, plant chemical defense, soil aggregation, and allelochemical transport and protection. Here, we use a meta-analysis of 93 studies to assess the relative effect of AMF on nutritional and non-nutritional factors that may influence plant fitness.(...)

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