Slight dependence of temperate-forest herbaceous plants, Geum urbanum and Senecio ovatus, on arbuscular mycorrhizal fungi (AMF) enables them to colonise soils with a low level of AMF abundance

The goal of this study was to analyse whether two herbaceous species Geum urbanum (Rosaceae) and Senecio ovatus (Asteraceae) are influenced by AMF at an angle of their growth, photosynthetic performance, and N and P contents in biomass. Both plants were inoculated with three widespread AMF species, Claroideoglomus claroideum, Funneliformis geosporus and Funneliformis mosseae, present in forest ecosystems around the world, therein in soils of beech and riparian forests, where both plants are present. Our study showed that AMF had a slight influence on the performance of G. urbanum and S. ovatus at the early stages of their development. However the direction and magnitude of plant responses is linked with fungal species and soil properties.

本研究旨在探究两种草本植物——路边青（Geum urbanum，蔷薇科（Rosaceae））与卵叶千里光（Senecio ovatus，菊科（Asteraceae））的生长角度、光合性能及生物量中的氮、磷含量是否受丛枝菌根真菌（Arbuscular Mycorrhizal Fungi，AMF）的影响。本研究采用三种广泛分布于全球森林生态系统（涵盖两种植物自然生长的山毛榉林与河岸林土壤）的AMF菌种对二者进行接种，分别为近明类球囊霉（Claroideoglomus claroideum）、地生漏斗孢囊霉（Funneliformis geosporus）与摩西漏斗孢囊霉（Funneliformis mosseae）。研究结果表明，AMF对两种植物生长发育早期的生长表现仅存在轻微影响，但植物响应的方向与幅度与接种的真菌种类及土壤性质密切相关。