Cadmium in Plants: A Review

Cadmium (Cd) is a toxic metal for living organisms and an environmental contaminant. Of all the non-essential heavy metals, cadmium is perhaps the metal which has attracted the most attention in soil science and plant nutrition due to its potential toxicity to humans, and also its relative mobility in the soil-plant system. Plant root is the main organ for uptake of pollutants including heavy metals like cadmium. This review summarizes the toxic symptoms of cadmium in plants.