Improvement of the tolerance of Perilla frutescens (L.) Britt. seedlings to clethodim stress by urea Analysis of differentially expressed proteins in Perilla frutescens (L.) Britt. leaves under cadmium stress A STUDY ON VARIATIONS UNDER PERILLA FRUTESCENS (L.) BRITT.IN YUNNAN Allelopathy of water extract from Panax quinquefolium, Perilla frutescens,and Coix Lacryma-jobi Effect of exogenous 5-aminolevulinic acid on seed germination and antioxidase activities of Perilla frutescens seedlings under NaCl stress Effect of exogenous 5-aminolevulinic acid on seed germination and antioxidase activities of Perilla frutescens seedlings under NaCl stress GC-MS analysis and antimicrobial activity study of essential oil from Perilla frutescens leaves Studies on anti-allergy and anti-inflammation of oil from Perilla frutescens Effect of spermidine on seed germination and physiological characteristics of Perilla frutescens seedlings under NaCl stress Physiological response of Perilla frutescens (L.) Britt. to cadimium