Arbuscular Mycorrhizal Fungi Promote Gleditsia sinensis Lam. Root Growth under Salt Stress by Regulating Nutrient Uptake and Physiology

Towards the improvement of plant productivity in saline–alkali soils, application arbuscular mycorrhizal fungi (AMF) is an intensive topic research. For this study, three inoculation treatments, namely, autoclaved AMF inocula (CK), Funneliformis mosseae (FM), and Corymbiglomus tortuosum (CT), four NaCl levels, 0, 50, 100, 150 mM were established to investigate growth physiological responses Gleditsia sinensis Lam. root systems increase salinity through dry weight, morphology, nutrient content, physiology, soil content. As levels increased, content under CK treatment exhibited a downward trend, while FM CT treatments weakened trend significantly improved weight which increased by more than 200%. Under high activity was higher that CK, with average 120.86%. In contrast nitrate reductase, niacinamide adenine dinucleotide oxidase less treatments. Moreover, affected alkali-hydrolyzable nitrogen (AN), total (TN), phosphorus (TP), had no significant impact on nutrients. Further, both colonization rate direct effects growth. However, primarily influenced indirect indirectly impacted reductase activity, Our results suggested use suitable (e.g., mosseae) might effectively improve currently unfavorable situation economic tree species production land saline may greatly optimize utility these areas.