Studies on chemical constituents of Prunella vulgaris HPLC fingerprint of Prunella vulgaris Study on flavonoids distribution of in various populations of Prunella vulgaris Effect of water stress on physiological and growth charaters of Prunella vulgaris at the vegetative stage Ideas and methods on material basis of chemprevention of Prunella vulgaris on lung cancer AFLP analysis of genetic diversity of Prunella Study on seed quality test and quality standard of Prunella vulgaris Effects of seed priming on salt tolerance in Prunella vulgaris  seed germination under saline conditions Effects of sodium salt stress on seed germination of Prunella vulgaris Preliminary study on breeding system of Prunella vulgaris Preliminary analysis of bitter substances in spica of Prunella vulgaris Triterpenoid Compounds of Prunella genus and Their Features of 13CNMR Spectroscopy Exploration on feasibility of introducing bioassay method into quality evaluation of Chinese herbal medicines by studying on the correlation between antioxidant activity of Prunella vulgaris and its total phenolic acids content for example Inductive effect of Prunella vulgaris Injection on K562 cells apoptosis Influence of nitrogen forms ratio on growth and photosynthetic characteristics in Prunella vulgaris Effects of light intensity on photosynthetic characteristics and seedling growth of Prunella vulgaris Effect of optimized fertilization on spicas biomass and yield of Prunella vulgaris Establishment of ISSR marker technology and optimization of its system in Prunella vulgaris Effects of exogenous nitric oxide on antioxidant activity and photosynthetic characteristics of Prunella vulgaris seedlings under NaCl stres Textual research on change of medicinal parts and herbal medicineof Prunella vulgaris Absorption and allocation of nitrogen, phosphorus, potassium in Prunella vulgaris and their relationship to dry matter accumulation Study on content and distribution characteristics of mineral elements from cultivated and wild Prunella vulgaris Textual research on original plant and dietotherapy history of Prunella vulgaris Chemical constituents of triterpenoids from Prunella vulgaris and their antitumor activities Research on callus induction and plantlet regeneration of Prunella vulgaris Dynamic change of active component content in different parts of Prunella vulgaris Factor of Prunella vulgaris yield components and morphological characteristics of relationship in different populations Effects of seed priming on vigor of Prunella vulgaris seeds