Cadmium Tolerance and Effects of Arbuscular Mycorrhizal Fungi on Cadmium Uptake and Transport of Lantana camara L.

The pot experiments were conducted to investigate the tolerance of Lantana camara L. to cadmium (Cd), and the effects of arbuscular mycorrhizal fungus (AMF) Glomus intraradices (GI) on Cd uptake and translocation of L. camara growing in different Cd-added soils, aiming to explore the feasibility of phytoremediation technology using L. camara. The results showed that: the L. camara growth was inhibited significantly in 50 mg/kg Cd soil；L. camara had high Cd uptake in 10 mg/kg Cd soil. GI associated with L. camara well which was not influenced by Cd addition. Compared with the controls, GI symbiosis alleviated Cd phytotoxicity to L. camara, significantly and increased plant biomass (P＜0.05). The translocation of Cd was not significantly affected by GI colonization (P＞0.05). However, in 100 mg/kg Cd soil, GI inoculation reduced the enrichment of Cd in L. camara. The results indicated that L. camara showed high tolerance of Cd, and it had high extraction efficiency in slightly Cd-contaminated soil; GI inoculation significantly enhanced the tolerance and uptake of Cd in L. camara shoots (P＜0.05), showing the phytoremediation potential of L. camara for Cd-contaminated soil.