Fig. 2. (a) Principal component analysis (PCA) and (b) correlations of aboveground and belowground plant traits of wild and modern barley with disturbed (DSM) and non-disturbed NSM) soil microbiome. Leaf Carbon Concentration (%), LNC: Leaf Nitrogen Concentration (%), Leaf Chl: Leaf Chlorophyll Concentration (mg m-2), RCC: Root Carbon Concetration (%), RNC: Root Nitrogen Concentration (%), AMF: Root length colonized by arbuscular mycorrhizal fungi (%), SRL: Specific Root Length (m g-1), SRA: Specific Root Area (m2 g-1), RTD: Root Tissue Density (mg cm-3), FRD: Fine Root Diameter (mm), OCEXU: Exudation of Carbon (µg Carbon h-1 cm-2), PHOEXU: Activity of root exuded phosphomonoesterases enzyme (nmol ml-1 h-1 cm-2), RGR: Root Growth Rate (cm day-1), AGB: dry shoot weight (g plant-1), BGB: Dry root weight (g plant-1).