Root Branching Is a Leading Root Trait of the Plant Economics Spectrum in Temperate Trees.

angiosperm trees arbuscular mycorrhiza ectomycorrhiza fine root traits gymnosperm trees precision foraging root economics spectrum root order Deutsche Forschungsgemeinschaft 10.13039/501100001659 ME 4156/2-1 Georg-August-Universität Göttingen 10.13039/501100003385 Phylogenetic Signal in Root and Leaf Traits In a comparison of the two investigated phylogenetic groups (gymnosperms and angiosperms) it appears that there was a highly significant influence by phylogenetic group affiliation on the mean root diameters of all roots and on the root tissue densities of lower order roots: gymnosperms had a higher mean root diameter 1-5 (0.53 vs. 0.39 mm) and a higher root tissue density 1+2 (0.24 vs. 0.15–0.18 g cm -3 ) than angiosperm tree species ( Table 1 ).

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