Effects of Non-enzymatic Defense System on Cadmium Low Accumulation Rice Mutant cadL-5 Under Cd Stress Effects on the Growth of Root and Cadmium Accumulation in Lichun Peach under Cadmium Stress Effects on the Growth of Root and Cadmium Accumulation in Lichun Peach under Cadmium Stress A Comparison of Cadmium-Accumulation-Associated Genes Expression and Molecular Regulation Mechanism between Two Rice Cultivars (Oryza sativa L. subspecies japonica) Physiological response of Perilla frutescens (L.) Britt. to cadimium