Influence of Soil Type, Land Use, and Rootstock Genotype on Root-Associated Arbuscular Mycorrhizal Fungi Communities and Their Impact on Grapevine Growth and Nutrition

Rosalba O. Fors, Emilia Sorci-Uhmann, Erika S. Santos, Patricia Silva-Flores, Maria Manuela Abreu, Wanda Viegas and Amaia Nogales ()
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Rosalba O. Fors: LEAF—Linking Landscape, Environment, Agriculture and Food Research Certer, Associate Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
Emilia Sorci-Uhmann: Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
Erika S. Santos: LEAF—Linking Landscape, Environment, Agriculture and Food Research Certer, Associate Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
Patricia Silva-Flores: Centro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado (VRIP), Universidad Católica del Maule, Talca 3480112, Chile
Maria Manuela Abreu: LEAF—Linking Landscape, Environment, Agriculture and Food Research Certer, Associate Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
Wanda Viegas: LEAF—Linking Landscape, Environment, Agriculture and Food Research Certer, Associate Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
Amaia Nogales: LEAF—Linking Landscape, Environment, Agriculture and Food Research Certer, Associate Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal

Agriculture, 2023, vol. 13, issue 11, 1-21

Abstract: Soil characteristics, land management practices, and plant genotypes influence arbuscular mycorrhizal fungi (AMF) communities, leading to the proliferation of AMF taxa with different growth and nutritional outcomes in their hosts. However, the specific patterns driving these relationships are still not well understood. This study aimed to (1) evaluate the influence of soil characteristics, land use, and rootstock on AMF diversity and community structure and (2) assess the effect of those AMF communities on grapevine growth and nutrition. Soil samples were collected from vineyard and non-agricultural areas in Lisbon and Pegões, Portugal, and trap cultures established using Richter 110 and 1103 Paulsen rootstocks. After 3.5 months growth under greenhouse conditions, root-associated AMF communities were assessed by amplicon metagenomic sequencing using AMF-specific primers. Alpha diversity was only influenced by the soil type, while in β-diversity, an interaction was found between the soil type and land use. Both diversity measures were positively correlated with foliar K and negatively with leaf Mn and Mg. Notably, the concentrations of these nutrients were highly correlated with the relative abundance of operational taxonomic units (OTUs) within the genera Glomus , Rhizophagus , and Claroideoglomus . These results are valuable for supporting AMF selection for improved plant nutrition based on varying soil types and land uses.

Keywords: Vineyard; Vitis vinifera; Glomeromycota; diversity; community composition; leaf nutrients (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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