6533b853fe1ef96bd12ad6ba

RESEARCH PRODUCT

Carbon partitioning in a walnut-maize agroforestry system through arbuscular mycorrhizal fungi

Daniel WipfEloïse TranchandPierre-emmanuel CourtyFrançois HirissouDiederik Van Tuinen

subject

0106 biological sciencesfood.ingredientwalnutSoil Sciencestable isotopesPlant Sciencemaize01 natural sciencesagroforestryNutrientfoodFunneliformisEcosystemcarbon transferMycorrhizal networkGlomusMycelium2. Zero hungercommon mycorrhizal networkbiologyAgroforestryIntercropping04 agricultural and veterinary sciences15. Life on landbiology.organism_classificationArbuscular mycorrhiza[SDE]Environmental Sciences040103 agronomy & agriculture0401 agriculture forestry and fisheriesAgronomy and Crop Science010606 plant biology & botany

description

National audience; In tree-based intercropping systems, roots of trees and crops are interacting and could influence ecosystem services provided by soil microorganisms. Here, the analysis of diversity of arbuscular mycorrhiza fungi (AMF) associated with roots of walnut and maize reveals differences. Of interest, Funneliformis genus is mainly associated with maize roots, and one OTU related to an uncultured Glomus, might form a common mycorrhizal network linking roots of both plants. In addition, the analysis of 13C of mycelium living in the surrounding environment of roots, suggest that part of the carbon derived from walnut trees could be transferred to maize plants. Our results suggest that in temperate agroforestry ecosystems, AMF could participle in the redistribution of nutrients between connected plants.

10.1016/j.rhisph.2020.100230https://hal.inrae.fr/hal-03150189