Inducement,subculture,and plantlets regeneration of callus from Salvia miltiorrhiza Influence of plant growth regulater on yield and quality of Salvia miltiorrhiza Effects of plant growth regulator uniconazole on plant morphology and biomass allocation of Salvia miltiorrhiza Effects of applying L-methionine,L-phenylalanine and L-tryptophan on Zea mays growth and its nutrient uptake Effect of plant growth regulator on medicinal constituent of Dendrobrium nobile Effects of light and plant growth regulators on growth of normal and hairy root of Lycium barbarum in vitro Effects of Plant Growth Regulator SHK-6 on Physiological Function of Soybean Leaves under Water Deficiency