Ectomycorrhizal fungi, two species of Laccaria, differentially block the migration and accumulation of cadmium and copper in Pinus densiflora

Lingtong Quan, Liang Shi, Shijie Zhang, Yao Qian, Qi Yang, Yongwei Zhu, Yanli Liu, Chunlan Lian, Yahua Chen, Zhenguo Shen, Kun Duan, Yan Xia