3.2. Phytotoxicity of As and Cdon M.umbrosum
Phytotoxicity of As and Cdon M. umbrosum was evaluated in response to measuring the final fresh weight and contents of the photosynthetic pigments like chlorophylla, chlorophyllb, total chlorophyll, carotenoids and anthocyanin. As shown in Supple-mentary Fig.1a, the plant growth increased significantly (p