Effects of Arbuscular Mycorrhizal Fungi Glomus mosseae on the Growth and Medicinal Components of Dysosma versipellis Under Copper Stress
2021
Luo, Jie | Li, Xue | Jin, Yefei | Traore, Ibrahim | Dong, Lijia | Yang, Guo | Wang, Youbao
In order to investigate the effects of arbuscular mycorrhizal fungi (AMF) (Glomus mosseae) inoculations and additions of copper (Cu) ion at gradual concentrations (0, 200, and 400 mg kg⁻¹) on different parameters of Dysosma versipellis such as growth, lipid peroxidation (MDA and MRP), antioxidation enzymatic (SOD, POD and CAT) activities, and active medicinal components. Pot experiments have been conducted. The results showed that additions of Cu could inhibit growth and the activity of antioxidant enzymes, increase the degree of membrane lipid peroxidation, and decrease the podophyllotoxin content of D. versipellis compared with the control. Meanwhile, inoculations with AMF enhanced its antioxidant capacity and reduced the degree of membrane lipid peroxidation in leaves of D. versipellis under Cu stress. Besides, AMF inoculations significantly increased the biomass and content of podophyllotoxin in roots of D. versipellis, while it decreased Cu absorption content in roots. Thus, inoculations with AMF could effectively alleviate the Cu stress and improve the active components content of D. versipellis, which might be important for Cu stress adaptation and the improved productivity and quality of D. versipellis.
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